diff options
author | Stephen Rothwell <sfr@canb.auug.org.au> | 2008-06-26 10:46:35 +1000 |
---|---|---|
committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2008-06-26 10:46:35 +1000 |
commit | 285c090983ecc755767419b26b9c9f2e86160f72 (patch) | |
tree | 6075b8e46f99f92d95030d69bf5c2c38b487ab15 | |
parent | ad4ccae6a34fdbe0c551e3fe4a7c75925e7fff73 (diff) | |
parent | d436da78ed5654ecf55f24fb755e61e451b702fa (diff) |
Merge branch 'quilt/driver-core'
223 files changed, 1573 insertions, 1025 deletions
diff --git a/Documentation/ABI/testing/sysfs-dev b/Documentation/ABI/testing/sysfs-dev new file mode 100644 index 000000000000..a9f2b8b0530f --- /dev/null +++ b/Documentation/ABI/testing/sysfs-dev @@ -0,0 +1,20 @@ +What: /sys/dev +Date: April 2008 +KernelVersion: 2.6.26 +Contact: Dan Williams <dan.j.williams@intel.com> +Description: The /sys/dev tree provides a method to look up the sysfs + path for a device using the information returned from + stat(2). There are two directories, 'block' and 'char', + beneath /sys/dev containing symbolic links with names of + the form "<major>:<minor>". These links point to the + corresponding sysfs path for the given device. + + Example: + $ readlink /sys/dev/block/8:32 + ../../block/sdc + + Entries in /sys/dev/char and /sys/dev/block will be + dynamically created and destroyed as devices enter and + leave the system. + +Users: mdadm <linux-raid@vger.kernel.org> diff --git a/Documentation/DocBook/uio-howto.tmpl b/Documentation/DocBook/uio-howto.tmpl index fdd7f4f887b7..c4d187313963 100644 --- a/Documentation/DocBook/uio-howto.tmpl +++ b/Documentation/DocBook/uio-howto.tmpl @@ -30,6 +30,12 @@ <revhistory> <revision> + <revnumber>0.5</revnumber> + <date>2008-05-22</date> + <authorinitials>hjk</authorinitials> + <revremark>Added description of write() function.</revremark> + </revision> + <revision> <revnumber>0.4</revnumber> <date>2007-11-26</date> <authorinitials>hjk</authorinitials> @@ -64,7 +70,7 @@ <?dbhtml filename="copyright.html"?> <title>Copyright and License</title> <para> - Copyright (c) 2006 by Hans-Jürgen Koch.</para> + Copyright (c) 2006-2008 by Hans-Jürgen Koch.</para> <para> This documentation is Free Software licensed under the terms of the GPL version 2. @@ -189,6 +195,30 @@ interested in translating it, please email me represents the total interrupt count. You can use this number to figure out if you missed some interrupts. </para> + <para> + For some hardware that has more than one interrupt source internally, + but not separate IRQ mask and status registers, there might be + situations where userspace cannot determine what the interrupt source + was if the kernel handler disables them by writing to the chip's IRQ + register. In such a case, the kernel has to disable the IRQ completely + to leave the chip's register untouched. Now the userspace part can + determine the cause of the interrupt, but it cannot re-enable + interrupts. Another cornercase is chips where re-enabling interrupts + is a read-modify-write operation to a combined IRQ status/acknowledge + register. This would be racy if a new interrupt occurred + simultaneously. + </para> + <para> + To address these problems, UIO also implements a write() function. It + is normally not used and can be ignored for hardware that has only a + single interrupt source or has separate IRQ mask and status registers. + If you need it, however, a write to <filename>/dev/uioX</filename> + will call the <function>irqcontrol()</function> function implemented + by the driver. You have to write a 32-bit value that is usually either + 0 or 1 to disable or enable interrupts. If a driver does not implement + <function>irqcontrol()</function>, <function>write()</function> will + return with <varname>-ENOSYS</varname>. + </para> <para> To handle interrupts properly, your custom kernel module can @@ -362,6 +392,14 @@ device is actually used. <function>open()</function>, you will probably also want a custom <function>release()</function> function. </para></listitem> + +<listitem><para> +<varname>int (*irqcontrol)(struct uio_info *info, s32 irq_on) +</varname>: Optional. If you need to be able to enable or disable +interrupts from userspace by writing to <filename>/dev/uioX</filename>, +you can implement this function. The parameter <varname>irq_on</varname> +will be 0 to disable interrupts and 1 to enable them. +</para></listitem> </itemizedlist> <para> diff --git a/Documentation/filesystems/sysfs.txt b/Documentation/filesystems/sysfs.txt index 7f27b8f840d0..9e9c348275a9 100644 --- a/Documentation/filesystems/sysfs.txt +++ b/Documentation/filesystems/sysfs.txt @@ -248,6 +248,7 @@ The top level sysfs directory looks like: block/ bus/ class/ +dev/ devices/ firmware/ net/ @@ -274,6 +275,11 @@ fs/ contains a directory for some filesystems. Currently each filesystem wanting to export attributes must create its own hierarchy below fs/ (see ./fuse.txt for an example). +dev/ contains two directories char/ and block/. Inside these two +directories there are symlinks named <major>:<minor>. These symlinks +point to the sysfs directory for the given device. /sys/dev provides a +quick way to lookup the sysfs interface for a device from the result of +a stat(2) operation. More information can driver-model specific features can be found in Documentation/driver-model/. diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c index 2744673314b4..dd2947342604 100644 --- a/arch/arm/common/dmabounce.c +++ b/arch/arm/common/dmabounce.c @@ -554,9 +554,8 @@ dmabounce_register_dev(struct device *dev, unsigned long small_buffer_size, device_info = kmalloc(sizeof(struct dmabounce_device_info), GFP_ATOMIC); if (!device_info) { - printk(KERN_ERR - "Could not allocated dmabounce_device_info for %s", - dev->bus_id); + dev_err(dev, + "Could not allocated dmabounce_device_info\n"); return -ENOMEM; } @@ -594,8 +593,7 @@ dmabounce_register_dev(struct device *dev, unsigned long small_buffer_size, dev->archdata.dmabounce = device_info; - printk(KERN_INFO "dmabounce: registered device %s on %s bus\n", - dev->bus_id, dev->bus->name); + dev_info(dev, "dmabounce: registered device\n"); return 0; @@ -614,16 +612,15 @@ dmabounce_unregister_dev(struct device *dev) dev->archdata.dmabounce = NULL; if (!device_info) { - printk(KERN_WARNING - "%s: Never registered with dmabounce but attempting" \ - "to unregister!\n", dev->bus_id); + dev_warn(dev, + "Never registered with dmabounce but attempting" + "to unregister!\n"); return; } if (!list_empty(&device_info->safe_buffers)) { - printk(KERN_ERR - "%s: Removing from dmabounce with pending buffers!\n", - dev->bus_id); + dev_err(dev, + "Removing from dmabounce with pending buffers!\n"); BUG(); } @@ -639,8 +636,7 @@ dmabounce_unregister_dev(struct device *dev) kfree(device_info); - printk(KERN_INFO "dmabounce: device %s on %s bus unregistered\n", - dev->bus_id, dev->bus->name); + dev_info(dev, "dmabounce: device unregistered\n"); } diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c index d973c986f721..c3c3a3339049 100644 --- a/arch/arm/common/locomo.c +++ b/arch/arm/common/locomo.c @@ -543,7 +543,6 @@ locomo_init_one_child(struct locomo *lchip, struct locomo_dev_info *info) goto out; } - strncpy(dev->dev.bus_id, info->name, sizeof(dev->dev.bus_id)); /* * If the parent device has a DMA mask associated with it, * propagate it down to the children. @@ -553,6 +552,7 @@ locomo_init_one_child(struct locomo *lchip, struct locomo_dev_info *info) dev->dev.dma_mask = &dev->dma_mask; } + dev_set_name(&dev->dev, "%s", info->name); dev->devid = info->devid; dev->dev.parent = lchip->dev; dev->dev.bus = &locomo_bus_type; diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c index eb06d0b2cb74..c8e8f0ea59e1 100644 --- a/arch/arm/common/sa1111.c +++ b/arch/arm/common/sa1111.c @@ -550,9 +550,7 @@ sa1111_init_one_child(struct sa1111 *sachip, struct resource *parent, goto out; } - snprintf(dev->dev.bus_id, sizeof(dev->dev.bus_id), - "%4.4lx", info->offset); - + dev_set_name(&dev->dev, "%4.4lx", info->offset); dev->devid = info->devid; dev->dev.parent = sachip->dev; dev->dev.bus = &sa1111_bus_type; @@ -560,7 +558,7 @@ sa1111_init_one_child(struct sa1111 *sachip, struct resource *parent, dev->dev.coherent_dma_mask = sachip->dev->coherent_dma_mask; dev->res.start = sachip->phys + info->offset; dev->res.end = dev->res.start + 511; - dev->res.name = dev->dev.bus_id; + dev->res.name = dev_name(&dev->dev); dev->res.flags = IORESOURCE_MEM; dev->mapbase = sachip->base + info->offset; dev->skpcr_mask = info->skpcr_mask; @@ -570,6 +568,7 @@ sa1111_init_one_child(struct sa1111 *sachip, struct resource *parent, if (ret) { printk("SA1111: failed to allocate resource for %s\n", dev->res.name); + dev_set_name(&dev->dev, NULL); kfree(dev); goto out; } @@ -593,7 +592,8 @@ sa1111_init_one_child(struct sa1111 *sachip, struct resource *parent, if (dev->dma_mask != 0xffffffffUL) { ret = dmabounce_register_dev(&dev->dev, 1024, 4096); if (ret) { - printk("SA1111: Failed to register %s with dmabounce", dev->dev.bus_id); + dev_err(&dev->dev, "SA1111: Failed to register" + " with dmabounce\n"); device_unregister(&dev->dev); } } diff --git a/arch/arm/common/scoop.c b/arch/arm/common/scoop.c index bc299b07a6fa..ae39553589dd 100644 --- a/arch/arm/common/scoop.c +++ b/arch/arm/common/scoop.c @@ -247,7 +247,7 @@ static int __devinit scoop_probe(struct platform_device *pdev) devptr->gpio.base = -1; if (inf->gpio_base != 0) { - devptr->gpio.label = pdev->dev.bus_id; + devptr->gpio.label = dev_name(&pdev->dev); devptr->gpio.base = inf->gpio_base; devptr->gpio.ngpio = 12; /* PA11 = 0, PA12 = 1, etc. up to PA22 = 11 */ devptr->gpio.set = scoop_gpio_set; diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c index a53c0aba5c14..2ee615f77992 100644 --- a/arch/arm/kernel/ecard.c +++ b/arch/arm/kernel/ecard.c @@ -783,7 +783,7 @@ static void ecard_proc_init(void) #define ec_set_resource(ec,nr,st,sz) \ do { \ - (ec)->resource[nr].name = ec->dev.bus_id; \ + (ec)->resource[nr].name = dev_name(&ec->dev); \ (ec)->resource[nr].start = st; \ (ec)->resource[nr].end = (st) + (sz) - 1; \ (ec)->resource[nr].flags = IORESOURCE_MEM; \ @@ -853,8 +853,7 @@ static struct expansion_card *__init ecard_alloc_card(int type, int slot) for (i = 0; i < ECARD_NUM_RESOURCES; i++) { if (ec->resource[i].flags && request_resource(&iomem_resource, &ec->resource[i])) { - printk(KERN_ERR "%s: resource(s) not available\n", - ec->dev.bus_id); + dev_err(&ec->dev, "resource(s) not available\n"); ec->resource[i].end -= ec->resource[i].start; ec->resource[i].start = 0; ec->resource[i].flags = 0; diff --git a/arch/arm/mach-integrator/impd1.c b/arch/arm/mach-integrator/impd1.c index 62e653a3ea1a..5a1588cf8242 100644 --- a/arch/arm/mach-integrator/impd1.c +++ b/arch/arm/mach-integrator/impd1.c @@ -393,9 +393,7 @@ static int impd1_probe(struct lm_device *dev) if (!d) continue; - snprintf(d->dev.bus_id, sizeof(d->dev.bus_id), - "lm%x:%5.5lx", dev->id, idev->offset >> 12); - + dev_set_name(&d->dev, "lm%x:%5.5lx", dev->id, idev->offset >> 12); d->dev.parent = &dev->dev; d->res.start = dev->resource.start + idev->offset; d->res.end = d->res.start + SZ_4K - 1; @@ -407,8 +405,7 @@ static int impd1_probe(struct lm_device *dev) ret = amba_device_register(d, &dev->resource); if (ret) { - printk("unable to register device %s: %d\n", - d->dev.bus_id, ret); + dev_err(&d->dev, "unable to register device: %d\n"); kfree(d); } } diff --git a/arch/arm/mach-integrator/lm.c b/arch/arm/mach-integrator/lm.c index 622cdc4212dd..f939c5091405 100644 --- a/arch/arm/mach-integrator/lm.c +++ b/arch/arm/mach-integrator/lm.c @@ -81,8 +81,10 @@ int lm_device_register(struct lm_device *dev) dev->dev.release = lm_device_release; dev->dev.bus = &lm_bustype; - snprintf(dev->dev.bus_id, sizeof(dev->dev.bus_id), "lm%d", dev->id); - dev->resource.name = dev->dev.bus_id; + ret = dev_set_name(&dev->dev, "lm%d", dev->id); + if (ret) + return ret; + dev->resource.name = dev_name(&dev->dev); ret = request_resource(&iomem_resource, &dev->resource); if (ret == 0) { diff --git a/arch/arm/plat-omap/mailbox.c b/arch/arm/plat-omap/mailbox.c index 6f33f58bca45..ff1413eae0b8 100644 --- a/arch/arm/plat-omap/mailbox.c +++ b/arch/arm/plat-omap/mailbox.c @@ -334,7 +334,7 @@ static int omap_mbox_init(struct omap_mbox *mbox) } mbox->dev.class = &omap_mbox_class; - strlcpy(mbox->dev.bus_id, mbox->name, KOBJ_NAME_LEN); + dev_set_name(&mbox->dev, "%s", mbox->name); dev_set_drvdata(&mbox->dev, mbox); ret = device_register(&mbox->dev); diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c index b88f1c18ff4d..598048a7c9e7 100644 --- a/arch/mips/kernel/rtlx.c +++ b/arch/mips/kernel/rtlx.c @@ -517,8 +517,8 @@ static int __init rtlx_module_init(void) atomic_set(&channel_wqs[i].in_open, 0); mutex_init(&channel_wqs[i].mutex); - dev = device_create(mt_class, NULL, MKDEV(major, i), - "%s%d", module_name, i); + dev = device_create_drvdata(mt_class, NULL, MKDEV(major, i), + NULL, "%s%d", module_name, i); if (IS_ERR(dev)) { err = PTR_ERR(dev); goto out_chrdev; diff --git a/arch/mips/sibyte/common/sb_tbprof.c b/arch/mips/sibyte/common/sb_tbprof.c index 63b444eaf01e..edeb77e17bdd 100644 --- a/arch/mips/sibyte/common/sb_tbprof.c +++ b/arch/mips/sibyte/common/sb_tbprof.c @@ -565,7 +565,8 @@ static int __init sbprof_tb_init(void) tb_class = tbc; - dev = device_create(tbc, NULL, MKDEV(SBPROF_TB_MAJOR, 0), "tb"); + dev = device_create_drvdata(tbc, NULL, MKDEV(SBPROF_TB_MAJOR, 0), + NULL, "tb"); if (IS_ERR(dev)) { err = PTR_ERR(dev); goto out_class; diff --git a/arch/powerpc/platforms/chrp/pci.c b/arch/powerpc/platforms/chrp/pci.c index 609c46db4a1b..768c262b9368 100644 --- a/arch/powerpc/platforms/chrp/pci.c +++ b/arch/powerpc/platforms/chrp/pci.c @@ -367,7 +367,7 @@ static void chrp_pci_fixup_vt8231_ata(struct pci_dev *viaide) viaisa = pci_get_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231, NULL); if (!viaisa) return; - printk("Fixing VIA IDE, force legacy mode on '%s'\n", viaide->dev.bus_id); + dev_info(&viaide->dev, "Fixing VIA IDE, force legacy mode on\n"); pci_read_config_byte(viaide, PCI_CLASS_PROG, &progif); pci_write_config_byte(viaide, PCI_CLASS_PROG, progif & ~0x5); diff --git a/arch/sparc64/kernel/ebus.c b/arch/sparc64/kernel/ebus.c index c49d0388b793..4d58d7ce708d 100644 --- a/arch/sparc64/kernel/ebus.c +++ b/arch/sparc64/kernel/ebus.c @@ -401,7 +401,7 @@ static void __init fill_ebus_device(struct device_node *dp, struct linux_ebus_de dev->ofdev.node = dp; dev->ofdev.dev.parent = &dev->bus->ofdev.dev; dev->ofdev.dev.bus = &ebus_bus_type; - sprintf(dev->ofdev.dev.bus_id, "ebus[%08x]", dp->node); + dev_set_name(&dev->ofdev.dev, "ebus[%08x]", dp->node); /* Register with core */ if (of_device_register(&dev->ofdev) != 0) @@ -501,7 +501,7 @@ void __init ebus_init(void) ebus->ofdev.node = dp; ebus->ofdev.dev.parent = &pdev->dev; ebus->ofdev.dev.bus = &ebus_bus_type; - sprintf(ebus->ofdev.dev.bus_id, "ebus%d", num_ebus); + dev_set_name(&ebus->ofdev.dev, "ebus%d", num_ebus); /* Register with core */ if (of_device_register(&ebus->ofdev) != 0) diff --git a/arch/sparc64/kernel/of_device.c b/arch/sparc64/kernel/of_device.c index d569f60c24b8..4fd48ab7dda4 100644 --- a/arch/sparc64/kernel/of_device.c +++ b/arch/sparc64/kernel/of_device.c @@ -797,9 +797,9 @@ static struct of_device * __init scan_one_device(struct device_node *dp, op->dev.parent = parent; op->dev.bus = &of_platform_bus_type; if (!parent) - strcpy(op->dev.bus_id, "root"); + dev_set_name(&op->dev, "root"); else - sprintf(op->dev.bus_id, "%08x", dp->node); + dev_set_name(&op->dev, "%08x", dp->node); if (of_device_register(op)) { printk("%s: Could not register of device.\n", diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c index 112b09f16f36..55096195458f 100644 --- a/arch/sparc64/kernel/pci.c +++ b/arch/sparc64/kernel/pci.c @@ -408,7 +408,7 @@ struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm, dev->class = class >> 8; dev->revision = class & 0xff; - sprintf(pci_name(dev), "%04x:%02x:%02x.%d", pci_domain_nr(bus), + dev_set_name(&dev->dev, "%04x:%02x:%02x.%d", pci_domain_nr(bus), dev->bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn)); if (ofpci_verbose) diff --git a/arch/sparc64/kernel/vio.c b/arch/sparc64/kernel/vio.c index e78b3517940b..a490077891a4 100644 --- a/arch/sparc64/kernel/vio.c +++ b/arch/sparc64/kernel/vio.c @@ -224,7 +224,7 @@ static struct vio_dev *vio_create_one(struct mdesc_handle *hp, u64 mp, if (!strcmp(type, "domain-services-port")) bus_id_name = "ds"; - if (strlen(bus_id_name) >= KOBJ_NAME_LEN - 4) { + if (strlen(bus_id_name) >= BUS_ID_SIZE - 4) { printk(KERN_ERR "VIO: bus_id_name [%s] is too long.\n", bus_id_name); return NULL; @@ -260,16 +260,14 @@ static struct vio_dev *vio_create_one(struct mdesc_handle *hp, u64 mp, vio_fill_channel_info(hp, mp, vdev); if (!id) { - snprintf(vdev->dev.bus_id, BUS_ID_SIZE, "%s", - bus_id_name); + dev_set_name(&vdev->dev, "%s", bus_id_name); vdev->dev_no = ~(u64)0; } else if (!cfg_handle) { - snprintf(vdev->dev.bus_id, BUS_ID_SIZE, "%s-%lu", - bus_id_name, *id); + dev_set_name(&vdev->dev, "%s-%lu", bus_id_name, *id); vdev->dev_no = *id; } else { - snprintf(vdev->dev.bus_id, BUS_ID_SIZE, "%s-%lu-%lu", - bus_id_name, *cfg_handle, *id); + dev_set_name(&vdev->dev, "%s-%lu-%lu", bus_id_name, + *cfg_handle, *id); vdev->dev_no = *cfg_handle; } @@ -292,12 +290,12 @@ static struct vio_dev *vio_create_one(struct mdesc_handle *hp, u64 mp, } vdev->dp = dp; - printk(KERN_INFO "VIO: Adding device %s\n", vdev->dev.bus_id); + printk(KERN_INFO "VIO: Adding device %s\n", dev_name(&vdev->dev)); err = device_register(&vdev->dev); if (err) { printk(KERN_ERR "VIO: Could not register device %s, err=%d\n", - vdev->dev.bus_id, err); + dev_name(&vdev->dev), err); kfree(vdev); return NULL; } @@ -330,7 +328,7 @@ static void vio_remove(struct mdesc_handle *hp, u64 node) dev = device_find_child(&root_vdev->dev, (void *) node, vio_md_node_match); if (dev) { - printk(KERN_INFO "VIO: Removing device %s\n", dev->bus_id); + printk(KERN_INFO "VIO: Removing device %s\n", dev_name(dev)); device_unregister(dev); } diff --git a/arch/x86/kernel/cpuid.c b/arch/x86/kernel/cpuid.c index daff52a62248..3d8b3588afbe 100644 --- a/arch/x86/kernel/cpuid.c +++ b/arch/x86/kernel/cpuid.c @@ -132,8 +132,8 @@ static __cpuinit int cpuid_device_create(int cpu) { struct device *dev; - dev = device_create(cpuid_class, NULL, MKDEV(CPUID_MAJOR, cpu), - "cpu%d", cpu); + dev = device_create_drvdata(cpuid_class, NULL, MKDEV(CPUID_MAJOR, cpu), + NULL, "cpu%d", cpu); return IS_ERR(dev) ? PTR_ERR(dev) : 0; } diff --git a/arch/x86/kernel/microcode.c b/arch/x86/kernel/microcode.c index 69729e38b78a..649dfd761f23 100644 --- a/arch/x86/kernel/microcode.c +++ b/arch/x86/kernel/microcode.c @@ -488,7 +488,7 @@ MODULE_ALIAS_MISCDEV(MICROCODE_MINOR); #define microcode_dev_exit() do { } while(0) #endif -static long get_next_ucode_from_buffer(void **mc, void *buf, +static long get_next_ucode_from_buffer(void **mc, const u8 *buf, unsigned long size, long offset) { microcode_header_t *mc_header; @@ -522,7 +522,7 @@ static int cpu_request_microcode(int cpu) char name[30]; struct cpuinfo_x86 *c = &cpu_data(cpu); const struct firmware *firmware; - void *buf; + const u8 *buf; unsigned long size; long offset = 0; int error; diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c index 1f3abe048e93..be288ba706bf 100644 --- a/arch/x86/kernel/msr.c +++ b/arch/x86/kernel/msr.c @@ -141,8 +141,8 @@ static int __cpuinit msr_device_create(int cpu) { struct device *dev; - dev = device_create(msr_class, NULL, MKDEV(MSR_MAJOR, cpu), - "msr%d", cpu); + dev = device_create_drvdata(msr_class, NULL, MKDEV(MSR_MAJOR, cpu), + NULL, "msr%d", cpu); return IS_ERR(dev) ? PTR_ERR(dev) : 0; } diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index dc00a1331ace..172aad6c5809 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -319,8 +319,7 @@ int dma_supported(struct device *dev, u64 mask) { #ifdef CONFIG_PCI if (mask > 0xffffffff && forbid_dac > 0) { - printk(KERN_INFO "PCI: Disallowing DAC for device %s\n", - dev->bus_id); + dev_info(dev, "PCI: Disallowing DAC for device\n"); return 0; } #endif @@ -347,8 +346,7 @@ int dma_supported(struct device *dev, u64 mask) type. Normally this doesn't make any difference, but gives more gentle handling of IOMMU overflow. */ if (iommu_sac_force && (mask >= DMA_40BIT_MASK)) { - printk(KERN_INFO "%s: Force SAC with mask %Lx\n", - dev->bus_id, mask); + dev_info(dev, "Force SAC with mask %Lx\n", mask); return 0; } diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c index aa8ec928caa8..40389bb8d75b 100644 --- a/arch/x86/kernel/pci-gart_64.c +++ b/arch/x86/kernel/pci-gart_64.c @@ -198,9 +198,7 @@ static void iommu_full(struct device *dev, size_t size, int dir) * out. Hopefully no network devices use single mappings that big. */ - printk(KERN_ERR - "PCI-DMA: Out of IOMMU space for %lu bytes at device %s\n", - size, dev->bus_id); + dev_err(dev, "PCI-DMA: Out of IOMMU space for %lu bytes\n", size); if (size > PAGE_SIZE*EMERGENCY_PAGES) { if (dir == PCI_DMA_FROMDEVICE || dir == PCI_DMA_BIDIRECTIONAL) diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index 08d752de4eee..ce18856e2bb9 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -403,6 +403,7 @@ int __kprobes __die(const char *str, struct pt_regs *regs, long err) #endif printk("\n"); + sysfs_printk_last_file(); if (notify_die(DIE_OOPS, str, regs, err, current->thread.trap_no, SIGSEGV) != NOTIFY_STOP) { diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c index adff76ea97c4..ef1a66c81051 100644 --- a/arch/x86/kernel/traps_64.c +++ b/arch/x86/kernel/traps_64.c @@ -575,6 +575,7 @@ int __kprobes __die(const char * str, struct pt_regs * regs, long err) printk("DEBUG_PAGEALLOC"); #endif printk("\n"); + sysfs_printk_last_file(); if (notify_die(DIE_OOPS, str, regs, err, current->thread.trap_no, SIGSEGV) == NOTIFY_STOP) return 1; show_registers(regs); diff --git a/block/bsg.c b/block/bsg.c index f0b7cd343216..a8eb6092814e 100644 --- a/block/bsg.c +++ b/block/bsg.c @@ -1019,7 +1019,8 @@ int bsg_register_queue(struct request_queue *q, struct device *parent, bcd->release = release; kref_init(&bcd->ref); dev = MKDEV(bsg_major, bcd->minor); - class_dev = device_create(bsg_class, parent, dev, "%s", devname); + class_dev = device_create_drvdata(bsg_class, parent, dev, NULL, + "%s", devname); if (IS_ERR(class_dev)) { ret = PTR_ERR(class_dev); goto put_dev; diff --git a/block/genhd.c b/block/genhd.c index b922d4801c87..b4b5f4f594bf 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -183,6 +183,7 @@ static int exact_lock(dev_t devt, void *data) void add_disk(struct gendisk *disk) { struct backing_dev_info *bdi; + int retval; disk->flags |= GENHD_FL_UP; blk_register_region(MKDEV(disk->major, disk->first_minor), @@ -192,7 +193,8 @@ void add_disk(struct gendisk *disk) bdi = &disk->queue->backing_dev_info; bdi_register_dev(bdi, MKDEV(disk->major, disk->first_minor)); - sysfs_create_link(&disk->dev.kobj, &bdi->dev->kobj, "bdi"); + retval = sysfs_create_link(&disk->dev.kobj, &bdi->dev->kobj, "bdi"); + WARN_ON(retval); } EXPORT_SYMBOL(add_disk); @@ -223,89 +225,111 @@ struct gendisk *get_gendisk(dev_t devt, int *part) } /* - * print a full list of all partitions - intended for places where the root - * filesystem can't be mounted and thus to give the victim some idea of what - * went wrong + * print a partitions - intended for places where the root filesystem can't be + * mounted and thus to give the victim some idea of what went wrong */ -void __init printk_all_partitions(void) +static int printk_partition(struct device *dev, void *data) { - struct device *dev; struct gendisk *sgp; char buf[BDEVNAME_SIZE]; int n; - mutex_lock(&block_class_lock); - /* For each block device... */ - list_for_each_entry(dev, &block_class.devices, node) { - if (dev->type != &disk_type) - continue; - sgp = dev_to_disk(dev); - /* - * Don't show empty devices or things that have been surpressed - */ - if (get_capacity(sgp) == 0 || - (sgp->flags & GENHD_FL_SUPPRESS_PARTITION_INFO)) - continue; + if (dev->type != &disk_type) + goto exit; - /* - * Note, unlike /proc/partitions, I am showing the numbers in - * hex - the same format as the root= option takes. - */ - printk("%02x%02x %10llu %s", - sgp->major, sgp->first_minor, - (unsigned long long)get_capacity(sgp) >> 1, - disk_name(sgp, 0, buf)); - if (sgp->driverfs_dev != NULL && - sgp->driverfs_dev->driver != NULL) - printk(" driver: %s\n", - sgp->driverfs_dev->driver->name); - else - printk(" (driver?)\n"); - - /* now show the partitions */ - for (n = 0; n < sgp->minors - 1; ++n) { - if (sgp->part[n] == NULL) - continue; - if (sgp->part[n]->nr_sects == 0) - continue; - printk(" %02x%02x %10llu %s\n", - sgp->major, n + 1 + sgp->first_minor, - (unsigned long long)sgp->part[n]->nr_sects >> 1, - disk_name(sgp, n + 1, buf)); - } + sgp = dev_to_disk(dev); + /* + * Don't show empty devices or things that have been surpressed + */ + if (get_capacity(sgp) == 0 || + (sgp->flags & GENHD_FL_SUPPRESS_PARTITION_INFO)) + goto exit; + + /* + * Note, unlike /proc/partitions, I am showing the numbers in + * hex - the same format as the root= option takes. + */ + printk("%02x%02x %10llu %s", + sgp->major, sgp->first_minor, + (unsigned long long)get_capacity(sgp) >> 1, + disk_name(sgp, 0, buf)); + if (sgp->driverfs_dev != NULL && + sgp->driverfs_dev->driver != NULL) + printk(" driver: %s\n", + sgp->driverfs_dev->driver->name); + else + printk(" (driver?)\n"); + + /* now show the partitions */ + for (n = 0; n < sgp->minors - 1; ++n) { + if (sgp->part[n] == NULL) + goto exit; + if (sgp->part[n]->nr_sects == 0) + goto exit; + printk(" %02x%02x %10llu %s\n", + sgp->major, n + 1 + sgp->first_minor, + (unsigned long long)sgp->part[n]->nr_sects >> 1, + disk_name(sgp, n + 1, buf)); } +exit: + return 0; +} +/* + * print a full list of all partitions - intended for places where the root + * filesystem can't be mounted and thus to give the victim some idea of what + * went wrong + */ +void __init printk_all_partitions(void) +{ + mutex_lock(&block_class_lock); + class_for_each_device(&block_class, NULL, NULL, printk_partition); mutex_unlock(&block_class_lock); } #ifdef CONFIG_PROC_FS /* iterator */ +static int find_start(struct device *dev, void *data) +{ + loff_t k = *(loff_t *)data; + + if (dev->type != &disk_type) + return 0; + if (!k--) + return 1; + return 0; +} + static void *part_start(struct seq_file *part, loff_t *pos) { - loff_t k = *pos; struct device *dev; + loff_t n = *pos; + + if (!n) + seq_puts(part, "major minor #blocks name\n\n"); mutex_lock(&block_class_lock); - list_for_each_entry(dev, &block_class.devices, node) { - if (dev->type != &disk_type) - continue; - if (!k--) - return dev_to_disk(dev); - } + dev = class_find_device(&block_class, NULL, (void *)pos, find_start); + if (dev) + return dev_to_disk(dev); return NULL; } +static int find_next(struct device *dev, void *data) +{ + if (dev->type == &disk_type) + return 1; + return 0; +} + static void *part_next(struct seq_file *part, void *v, loff_t *pos) { struct gendisk *gp = v; struct device *dev; ++*pos; - list_for_each_entry(dev, &gp->dev.node, node) { - if (&dev->node == &block_class.devices) - return NULL; - if (dev->type == &disk_type) - return dev_to_disk(dev); - } + dev = class_find_device(&block_class, &gp->dev, NULL, find_next); + if (dev) + return dev_to_disk(dev); return NULL; } @@ -320,9 +344,6 @@ static int show_partition(struct seq_file *part, void *v) int n; char buf[BDEVNAME_SIZE]; - if (&sgp->dev.node == block_class.devices.next) - seq_puts(part, "major minor #blocks name\n\n"); - /* Don't show non-partitionable removeable devices or empty devices */ if (!get_capacity(sgp) || (sgp->minors == 1 && (sgp->flags & GENHD_FL_REMOVABLE))) @@ -368,7 +389,10 @@ static struct kobject *base_probe(dev_t devt, int *part, void *data) static int __init genhd_device_init(void) { - int error = class_register(&block_class); + int error; + + block_class.dev_kobj = sysfs_dev_block_kobj; + error = class_register(&block_class); if (unlikely(error)) return error; bdev_map = kobj_map_init(base_probe, &block_class_lock); @@ -520,6 +544,7 @@ static struct device_type disk_type = { .release = disk_release, }; +#ifdef CONFIG_PROC_FS /* * aggregate disk stat collector. Uses the same stats that the sysfs * entries do, above, but makes them available through one seq_file. @@ -530,16 +555,12 @@ static struct device_type disk_type = { static void *diskstats_start(struct seq_file *part, loff_t *pos) { - loff_t k = *pos; struct device *dev; mutex_lock(&block_class_lock); - list_for_each_entry(dev, &block_class.devices, node) { - if (dev->type != &disk_type) - continue; - if (!k--) - return dev_to_disk(dev); - } + dev = class_find_device(&block_class, NULL, (void *)pos, find_start); + if (dev) + return dev_to_disk(dev); return NULL; } @@ -549,12 +570,9 @@ static void *diskstats_next(struct seq_file *part, void *v, loff_t *pos) struct device *dev; ++*pos; - list_for_each_entry(dev, &gp->dev.node, node) { - if (&dev->node == &block_class.devices) - return NULL; - if (dev->type == &disk_type) - return dev_to_disk(dev); - } + dev = class_find_device(&block_class, &gp->dev, NULL, find_next); + if (dev) + return dev_to_disk(dev); return NULL; } @@ -629,6 +647,7 @@ const struct seq_operations diskstats_op = { .stop = diskstats_stop, .show = diskstats_show }; +#endif /* CONFIG_PROC_FS */ static void media_change_notify_thread(struct work_struct *work) { @@ -653,24 +672,38 @@ void genhd_media_change_notify(struct gendisk *disk) EXPORT_SYMBOL_GPL(genhd_media_change_notify); #endif /* 0 */ +struct find_block { + const char *name; + int part; +}; + +static int match_id(struct device *dev, void *data) +{ + struct find_block *find = data; + + if (dev->type != &disk_type) + return 0; + if (strcmp(dev->bus_id, find->name) == 0) { + struct gendisk *disk = dev_to_disk(dev); + if (find->part < disk->minors) + return 1; + } + return 0; +} + dev_t blk_lookup_devt(const char *name, int part) { struct device *dev; dev_t devt = MKDEV(0, 0); + struct find_block find; mutex_lock(&block_class_lock); - list_for_each_entry(dev, &block_class.devices, node) { - if (dev->type != &disk_type) - continue; - if (strcmp(dev->bus_id, name) == 0) { - struct gendisk *disk = dev_to_disk(dev); - - if (part < disk->minors) - devt = MKDEV(MAJOR(dev->devt), - MINOR(dev->devt) + part); - break; - } - } + find.name = name; + find.part = part; + dev = class_find_device(&block_class, NULL, (void *)&find, match_id); + if (dev) + devt = MKDEV(MAJOR(dev->devt), + MINOR(dev->devt) + part); mutex_unlock(&block_class_lock); return devt; diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c index 6cf10cbc1eee..f1112362eaa9 100644 --- a/drivers/acpi/fan.c +++ b/drivers/acpi/fan.c @@ -257,22 +257,22 @@ static int acpi_fan_add(struct acpi_device *device) goto end; } - printk(KERN_INFO PREFIX - "%s is registered as cooling_device%d\n", - device->dev.bus_id, cdev->id); + dev_info(&device->dev, "registered as cooling_device%d\n", cdev->id); acpi_driver_data(device) = cdev; result = sysfs_create_link(&device->dev.kobj, &cdev->device.kobj, "thermal_cooling"); if (result) - printk(KERN_ERR PREFIX "Create sysfs link\n"); + dev_err(&device->dev, "Failed to create sysfs link " + "'thermal_cooling'\n"); result = sysfs_create_link(&cdev->device.kobj, &device->dev.kobj, "device"); if (result) - printk(KERN_ERR PREFIX "Create sysfs link\n"); + dev_err(&device->dev, "Failed to create sysfs link " + "'device'\n"); result = acpi_fan_add_fs(device); if (result) diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index 2808dc60fd67..3c0443f5949a 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -146,8 +146,7 @@ static int acpi_bind_one(struct device *dev, acpi_handle handle) acpi_status status; if (dev->archdata.acpi_handle) { - printk(KERN_WARNING PREFIX - "Drivers changed 'acpi_handle' for %s\n", dev->bus_id); + dev_warn(dev, "Drivers changed 'acpi_handle'\n"); return -EINVAL; } get_device(dev); @@ -193,8 +192,7 @@ static int acpi_unbind_one(struct device *dev) /* acpi_bind_one increase refcnt by one */ put_device(dev); } else { - printk(KERN_ERR PREFIX - "Oops, 'acpi_handle' corrupt for %s\n", dev->bus_id); + dev_err(dev, "Oops, 'acpi_handle' corrupt\n"); } return 0; } diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index 9dd0fa93b9e1..bd906bfd88b8 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -674,9 +674,8 @@ static int __cpuinit acpi_processor_start(struct acpi_device *device) goto end; } - printk(KERN_INFO PREFIX - "%s is registered as cooling_device%d\n", - device->dev.bus_id, pr->cdev->id); + dev_info(&device->dev, "registered as cooling_device%d\n", + pr->cdev->id); result = sysfs_create_link(&device->dev.kobj, &pr->cdev->device.kobj, diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 6d85289f1c12..be8e985149ba 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -459,7 +459,7 @@ static int acpi_device_register(struct acpi_device *device, device->dev.release = &acpi_device_release; result = device_add(&device->dev); if(result) { - printk(KERN_ERR PREFIX "Error adding device %s", device->dev.bus_id); + dev_err(&device->dev, "Error adding device\n"); goto end; } diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 84c795fb9b1e..30a341337933 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -1179,8 +1179,8 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz) tz->tz_enabled = 1; - printk(KERN_INFO PREFIX "%s is registered as thermal_zone%d\n", - tz->device->dev.bus_id, tz->thermal_zone->id); + dev_info(&tz->device->dev, "registered as thermal_zone%d\n", + tz->thermal_zone->id); return 0; } diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index d089c4519d45..6eb70560cda2 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -741,9 +741,8 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) if (IS_ERR(device->cdev)) return; - printk(KERN_INFO PREFIX - "%s is registered as cooling_device%d\n", - device->dev->dev.bus_id, device->cdev->id); + dev_info(&device->dev->dev, "registered as cooling_device%d\n", + device->cdev->id); result = sysfs_create_link(&device->dev->dev.kobj, &device->cdev->device.kobj, "thermal_cooling"); diff --git a/drivers/base/base.h b/drivers/base/base.h index 2c9ae43e2219..31dc0cd84afa 100644 --- a/drivers/base/base.h +++ b/drivers/base/base.h @@ -36,6 +36,33 @@ struct driver_private { }; #define to_driver(obj) container_of(obj, struct driver_private, kobj) + +/** + * struct class_private - structure to hold the private to the driver core portions of the class structure. + * + * @class_subsys - the struct kset that defines this class. This is the main kobject + * @class_devices - list of devices associated with this class + * @class_interfaces - list of class_interfaces associated with this class + * @class_dirs - "glue" directory for virtual devices associated with this class + * @class_mutex - mutex to protect the children, devices, and interfaces lists. + * @class - pointer back to the struct class that this structure is associated + * with. + * + * This structure is the one that is the actual kobject allowing struct + * class to be statically allocated safely. Nothing outside of the driver + * core should ever touch these fields. + */ +struct class_private { + struct kset class_subsys; + struct list_head class_devices; + struct list_head class_interfaces; + struct kset class_dirs; + struct mutex class_mutex; + struct class *class; +}; +#define to_class(obj) \ + container_of(obj, struct class_private, class_subsys.kobj) + /* initialisation functions */ extern int devices_init(void); extern int buses_init(void); diff --git a/drivers/base/class.c b/drivers/base/class.c index e085af0ff94f..839d27cecb36 100644 --- a/drivers/base/class.c +++ b/drivers/base/class.c @@ -18,20 +18,20 @@ #include <linux/err.h> #include <linux/slab.h> #include <linux/genhd.h> +#include <linux/mutex.h> #include "base.h" #define to_class_attr(_attr) container_of(_attr, struct class_attribute, attr) -#define to_class(obj) container_of(obj, struct class, subsys.kobj) static ssize_t class_attr_show(struct kobject *kobj, struct attribute *attr, char *buf) { struct class_attribute *class_attr = to_class_attr(attr); - struct class *dc = to_class(kobj); + struct class_private *cp = to_class(kobj); ssize_t ret = -EIO; if (class_attr->show) - ret = class_attr->show(dc, buf); + ret = class_attr->show(cp->class, buf); return ret; } @@ -39,17 +39,18 @@ static ssize_t class_attr_store(struct kobject *kobj, struct attribute *attr, const char *buf, size_t count) { struct class_attribute *class_attr = to_class_attr(attr); - struct class *dc = to_class(kobj); + struct class_private *cp = to_class(kobj); ssize_t ret = -EIO; if (class_attr->store) - ret = class_attr->store(dc, buf, count); + ret = class_attr->store(cp->class, buf, count); return ret; } static void class_release(struct kobject *kobj) { - struct class *class = to_class(kobj); + struct class_private *cp = to_class(kobj); + struct class *class = cp->class; pr_debug("class '%s': release.\n", class->name); @@ -70,7 +71,7 @@ static struct kobj_type class_ktype = { .release = class_release, }; -/* Hotplug events for classes go to the class_obj subsys */ +/* Hotplug events for classes go to the class class_subsys */ static struct kset *class_kset; @@ -78,7 +79,8 @@ int class_create_file(struct class *cls, const struct class_attribute *attr) { int error; if (cls) - error = sysfs_create_file(&cls->subsys.kobj, &attr->attr); + error = sysfs_create_file(&cls->p->class_subsys.kobj, + &attr->attr); else error = -EINVAL; return error; @@ -87,21 +89,20 @@ int class_create_file(struct class *cls, const struct class_attribute *attr) void class_remove_file(struct class *cls, const struct class_attribute *attr) { if (cls) - sysfs_remove_file(&cls->subsys.kobj, &attr->attr); + sysfs_remove_file(&cls->p->class_subsys.kobj, &attr->attr); } static struct class *class_get(struct class *cls) { if (cls) - return container_of(kset_get(&cls->subsys), - struct class, subsys); - return NULL; + kset_get(&cls->p->class_subsys); + return cls; } static void class_put(struct class *cls) { if (cls) - kset_put(&cls->subsys); + kset_put(&cls->p->class_subsys); } static int add_class_attrs(struct class *cls) @@ -134,42 +135,57 @@ static void remove_class_attrs(struct class *cls) } } -int class_register(struct class *cls) +int __class_register(struct class *cls, struct lock_class_key *key) { + struct class_private *cp; int error; pr_debug("device class '%s': registering\n", cls->name); - INIT_LIST_HEAD(&cls->devices); - INIT_LIST_HEAD(&cls->interfaces); - kset_init(&cls->class_dirs); - init_MUTEX(&cls->sem); - error = kobject_set_name(&cls->subsys.kobj, "%s", cls->name); - if (error) + cp = kzalloc(sizeof(*cp), GFP_KERNEL); + if (!cp) + return -ENOMEM; + INIT_LIST_HEAD(&cp->class_devices); + INIT_LIST_HEAD(&cp->class_interfaces); + kset_init(&cp->class_dirs); + __mutex_init(&cp->class_mutex, "struct class mutex", key); + error = kobject_set_name(&cp->class_subsys.kobj, "%s", cls->name); + if (error) { + kfree(cp); return error; + } + + /* set the default /sys/dev directory for devices of this class */ + if (!cls->dev_kobj) + cls->dev_kobj = sysfs_dev_char_kobj; #if defined(CONFIG_SYSFS_DEPRECATED) && defined(CONFIG_BLOCK) /* let the block class directory show up in the root of sysfs */ if (cls != &block_class) - cls->subsys.kobj.kset = class_kset; + cp->class_subsys.kobj.kset = class_kset; #else - cls->subsys.kobj.kset = class_kset; + cp->class_subsys.kobj.kset = class_kset; #endif - cls->subsys.kobj.ktype = &class_ktype; + cp->class_subsys.kobj.ktype = &class_ktype; + cp->class = cls; + cls->p = cp; - error = kset_register(&cls->subsys); - if (!error) { - error = add_class_attrs(class_get(cls)); - class_put(cls); + error = kset_register(&cp->class_subsys); + if (error) { + kfree(cp); + return error; } + error = add_class_attrs(class_get(cls)); + class_put(cls); return error; } +EXPORT_SYMBOL_GPL(__class_register); void class_unregister(struct class *cls) { pr_debug("device class '%s': unregistering\n", cls->name); remove_class_attrs(cls); - kset_unregister(&cls->subsys); + kset_unregister(&cls->p->class_subsys); } static void class_create_release(struct class *cls) @@ -189,7 +205,8 @@ static void class_create_release(struct class *cls) * Note, the pointer created here is to be destroyed when finished by * making a call to class_destroy(). */ -struct class *class_create(struct module *owner, const char *name) +struct class *__class_create(struct module *owner, const char *name, + struct lock_class_key *key) { struct class *cls; int retval; @@ -204,7 +221,7 @@ struct class *class_create(struct module *owner, const char *name) cls->owner = owner; cls->class_release = class_create_release; - retval = class_register(cls); + retval = __class_register(cls, key); if (retval) goto error; @@ -214,6 +231,7 @@ error: kfree(cls); return ERR_PTR(retval); } +EXPORT_SYMBOL_GPL(__class_create); /** * class_destroy - destroys a struct class structure @@ -252,39 +270,44 @@ char *make_class_name(const char *name, struct kobject *kobj) /** * class_for_each_device - device iterator * @class: the class we're iterating + * @start: the device to start with in the list, if any. * @data: data for the callback * @fn: function to be called for each device * * Iterate over @class's list of devices, and call @fn for each, - * passing it @data. + * passing it @data. If @start is set, the list iteration will start + * there, otherwise if it is NULL, the iteration starts at the + * beginning of the list. * * We check the return of @fn each time. If it returns anything * other than 0, we break out and return that value. * - * Note, we hold class->sem in this function, so it can not be + * Note, we hold class->class_mutex in this function, so it can not be * re-acquired in @fn, otherwise it will self-deadlocking. For * example, calls to add or remove class members would be verboten. */ -int class_for_each_device(struct class *class, void *data, - int (*fn)(struct device *, void *)) +int class_for_each_device(struct class *class, struct device *start, + void *data, int (*fn)(struct device *, void *)) { struct device *dev; int error = 0; if (!class) return -EINVAL; - down(&class->sem); - list_for_each_entry(dev, &class->devices, node) { + mutex_lock(&class->p->class_mutex); + list_for_each_entry(dev, &class->p->class_devices, node) { + if (start) { + if (start == dev) + start = NULL; + continue; + } dev = get_device(dev); - if (dev) { - error = fn(dev, data); - put_device(dev); - } else - error = -ENODEV; + error = fn(dev, data); + put_device(dev); if (error) break; } - up(&class->sem); + mutex_unlock(&class->p->class_mutex); return error; } @@ -293,6 +316,7 @@ EXPORT_SYMBOL_GPL(class_for_each_device); /** * class_find_device - device iterator for locating a particular device * @class: the class we're iterating + * @start: Device to begin with * @data: data for the match function * @match: function to check device * @@ -306,12 +330,13 @@ EXPORT_SYMBOL_GPL(class_for_each_device); * * Note, you will need to drop the reference with put_device() after use. * - * We hold class->sem in this function, so it can not be + * We hold class->class_mutex in this function, so it can not be * re-acquired in @match, otherwise it will self-deadlocking. For * example, calls to add or remove class members would be verboten. */ -struct device *class_find_device(struct class *class, void *data, - int (*match)(struct device *, void *)) +struct device *class_find_device(struct class *class, struct device *start, + void *data, + int (*match)(struct device *, void *)) { struct device *dev; int found = 0; @@ -319,19 +344,21 @@ struct device *class_find_device(struct class *class, void *data, if (!class) return NULL; - down(&class->sem); - list_for_each_entry(dev, &class->devices, node) { + mutex_lock(&class->p->class_mutex); + list_for_each_entry(dev, &class->p->class_devices, node) { + if (start) { + if (start == dev) + start = NULL; + continue; + } dev = get_device(dev); - if (dev) { - if (match(dev, data)) { - found = 1; - break; - } else - put_device(dev); - } else + if (match(dev, data)) { + found = 1; break; + } else + put_device(dev); } - up(&class->sem); + mutex_unlock(&class->p->class_mutex); return found ? dev : NULL; } @@ -349,13 +376,13 @@ int class_interface_register(struct class_interface *class_intf) if (!parent) return -EINVAL; - down(&parent->sem); - list_add_tail(&class_intf->node, &parent->interfaces); + mutex_lock(&parent->p->class_mutex); + list_add_tail(&class_intf->node, &parent->p->class_interfaces); if (class_intf->add_dev) { - list_for_each_entry(dev, &parent->devices, node) + list_for_each_entry(dev, &parent->p->class_devices, node) class_intf->add_dev(dev, class_intf); } - up(&parent->sem); + mutex_unlock(&parent->p->class_mutex); return 0; } @@ -368,13 +395,13 @@ void class_interface_unregister(struct class_interface *class_intf) if (!parent) return; - down(&parent->sem); + mutex_lock(&parent->p->class_mutex); list_del_init(&class_intf->node); if (class_intf->remove_dev) { - list_for_each_entry(dev, &parent->devices, node) + list_for_each_entry(dev, &parent->p->class_devices, node) class_intf->remove_dev(dev, class_intf); } - up(&parent->sem); + mutex_unlock(&parent->p->class_mutex); class_put(parent); } @@ -389,9 +416,7 @@ int __init classes_init(void) EXPORT_SYMBOL_GPL(class_create_file); EXPORT_SYMBOL_GPL(class_remove_file); -EXPORT_SYMBOL_GPL(class_register); EXPORT_SYMBOL_GPL(class_unregister); -EXPORT_SYMBOL_GPL(class_create); EXPORT_SYMBOL_GPL(class_destroy); EXPORT_SYMBOL_GPL(class_interface_register); diff --git a/drivers/base/core.c b/drivers/base/core.c index 817c6d26c7d5..90621a470abc 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -21,12 +21,16 @@ #include <linux/genhd.h> #include <linux/kallsyms.h> #include <linux/semaphore.h> +#include <linux/mutex.h> #include "base.h" #include "power/power.h" int (*platform_notify)(struct device *dev) = NULL; int (*platform_notify_remove)(struct device *dev) = NULL; +static struct kobject *dev_kobj; +struct kobject *sysfs_dev_char_kobj; +struct kobject *sysfs_dev_block_kobj; #ifdef CONFIG_BLOCK static inline int device_is_not_partition(struct device *dev) @@ -465,6 +469,7 @@ EXPORT_SYMBOL_GPL(device_create_bin_file); */ void device_remove_bin_file(struct device *dev, struct bin_attribute *attr) { + /* might_sleep(); */ if (dev) sysfs_remove_bin_file(&dev->kobj, attr); } @@ -548,7 +553,7 @@ static struct kobject *get_device_parent(struct device *dev, { /* class devices without a parent live in /sys/class/<classname>/ */ if (dev->class && (!parent || parent->class != dev->class)) - return &dev->class->subsys.kobj; + return &dev->class->p->class_subsys.kobj; /* all other devices keep their parent */ else if (parent) return &parent->kobj; @@ -594,13 +599,13 @@ static struct kobject *get_device_parent(struct device *dev, parent_kobj = &parent->kobj; /* find our class-directory at the parent and reference it */ - spin_lock(&dev->class->class_dirs.list_lock); - list_for_each_entry(k, &dev->class->class_dirs.list, entry) + spin_lock(&dev->class->p->class_dirs.list_lock); + list_for_each_entry(k, &dev->class->p->class_dirs.list, entry) if (k->parent == parent_kobj) { kobj = kobject_get(k); break; } - spin_unlock(&dev->class->class_dirs.list_lock); + spin_unlock(&dev->class->p->class_dirs.list_lock); if (kobj) return kobj; @@ -608,7 +613,7 @@ static struct kobject *get_device_parent(struct device *dev, k = kobject_create(); if (!k) return NULL; - k->kset = &dev->class->class_dirs; + k->kset = &dev->class->p->class_dirs; retval = kobject_add(k, parent_kobj, "%s", dev->class->name); if (retval < 0) { kobject_put(k); @@ -627,7 +632,7 @@ static void cleanup_glue_dir(struct device *dev, struct kobject *glue_dir) { /* see if we live in a "glue" directory */ if (!glue_dir || !dev->class || - glue_dir->kset != &dev->class->class_dirs) + glue_dir->kset != &dev->class->p->class_dirs) return; kobject_put(glue_dir); @@ -654,17 +659,18 @@ static int device_add_class_symlinks(struct device *dev) if (!dev->class) return 0; - error = sysfs_create_link(&dev->kobj, &dev->class->subsys.kobj, + error = sysfs_create_link(&dev->kobj, + &dev->class->p->class_subsys.kobj, "subsystem"); if (error) goto out; #ifdef CONFIG_SYSFS_DEPRECATED /* stacked class devices need a symlink in the class directory */ - if (dev->kobj.parent != &dev->class->subsys.kobj && + if (dev->kobj.parent != &dev->class->p->class_subsys.kobj && device_is_not_partition(dev)) { - error = sysfs_create_link(&dev->class->subsys.kobj, &dev->kobj, - dev->bus_id); + error = sysfs_create_link(&dev->class->p->class_subsys.kobj, + &dev->kobj, dev->bus_id); if (error) goto out_subsys; } @@ -701,13 +707,14 @@ out_device: if (dev->parent && device_is_not_partition(dev)) sysfs_remove_link(&dev->kobj, "device"); out_busid: - if (dev->kobj.parent != &dev->class->subsys.kobj && + if (dev->kobj.parent != &dev->class->p->class_subsys.kobj && device_is_not_partition(dev)) - sysfs_remove_link(&dev->class->subsys.kobj, dev->bus_id); + sysfs_remove_link(&dev->class->p->class_subsys.kobj, + dev->bus_id); #else /* link in the class directory pointing to the device */ - error = sysfs_create_link(&dev->class->subsys.kobj, &dev->kobj, - dev->bus_id); + error = sysfs_create_link(&dev->class->p->class_subsys.kobj, + &dev->kobj, dev->bus_id); if (error) goto out_subsys; @@ -720,7 +727,7 @@ out_busid: return 0; out_busid: - sysfs_remove_link(&dev->class->subsys.kobj, dev->bus_id); + sysfs_remove_link(&dev->class->p->class_subsys.kobj, dev->bus_id); #endif out_subsys: @@ -746,14 +753,15 @@ static void device_remove_class_symlinks(struct device *dev) sysfs_remove_link(&dev->kobj, "device"); } - if (dev->kobj.parent != &dev->class->subsys.kobj && + if (dev->kobj.parent != &dev->class->p->class_subsys.kobj && device_is_not_partition(dev)) - sysfs_remove_link(&dev->class->subsys.kobj, dev->bus_id); + sysfs_remove_link(&dev->class->p->class_subsys.kobj, + dev->bus_id); #else if (dev->parent && device_is_not_partition(dev)) sysfs_remove_link(&dev->kobj, "device"); - sysfs_remove_link(&dev->class->subsys.kobj, dev->bus_id); + sysfs_remove_link(&dev->class->p->class_subsys.kobj, dev->bus_id); #endif sysfs_remove_link(&dev->kobj, "subsystem"); @@ -776,6 +784,54 @@ int dev_set_name(struct device *dev, const char *fmt, ...) EXPORT_SYMBOL_GPL(dev_set_name); /** + * device_to_dev_kobj - select a /sys/dev/ directory for the device + * @dev: device + * + * By default we select char/ for new entries. Setting class->dev_obj + * to NULL prevents an entry from being created. class->dev_kobj must + * be set (or cleared) before any devices are registered to the class + * otherwise device_create_sys_dev_entry() and + * device_remove_sys_dev_entry() will disagree about the the presence + * of the link. + */ +static struct kobject *device_to_dev_kobj(struct device *dev) +{ + struct kobject *kobj; + + if (dev->class) + kobj = dev->class->dev_kobj; + else + kobj = sysfs_dev_char_kobj; + + return kobj; +} + +static int device_create_sys_dev_entry(struct device *dev) +{ + struct kobject *kobj = device_to_dev_kobj(dev); + int error = 0; + char devt_str[15]; + + if (kobj) { + format_dev_t(devt_str, dev->devt); + error = sysfs_create_link(kobj, &dev->kobj, devt_str); + } + + return error; +} + +static void device_remove_sys_dev_entry(struct device *dev) +{ + struct kobject *kobj = device_to_dev_kobj(dev); + char devt_str[15]; + + if (kobj) { + format_dev_t(devt_str, dev->devt); + sysfs_remove_link(kobj, devt_str); + } +} + +/** * device_add - add device to device hierarchy. * @dev: device. * @@ -829,6 +885,10 @@ int device_add(struct device *dev) error = device_create_file(dev, &devt_attr); if (error) goto ueventattrError; + + error = device_create_sys_dev_entry(dev); + if (error) + goto devtattrError; } error = device_add_class_symlinks(dev); @@ -849,15 +909,16 @@ int device_add(struct device *dev) klist_add_tail(&dev->knode_parent, &parent->klist_children); if (dev->class) { - down(&dev->class->sem); + mutex_lock(&dev->class->p->class_mutex); /* tie the class to the device */ - list_add_tail(&dev->node, &dev->class->devices); + list_add_tail(&dev->node, &dev->class->p->class_devices); /* notify any interfaces that the device is here */ - list_for_each_entry(class_intf, &dev->class->interfaces, node) + list_for_each_entry(class_intf, + &dev->class->p->class_interfaces, node) if (class_intf->add_dev) class_intf->add_dev(dev, class_intf); - up(&dev->class->sem); + mutex_unlock(&dev->class->p->class_mutex); } Done: put_device(dev); @@ -873,6 +934,9 @@ int device_add(struct device *dev) device_remove_class_symlinks(dev); SymlinkError: if (MAJOR(dev->devt)) + device_remove_sys_dev_entry(dev); + devtattrError: + if (MAJOR(dev->devt)) device_remove_file(dev, &devt_attr); ueventattrError: device_remove_file(dev, &uevent_attr); @@ -948,19 +1012,22 @@ void device_del(struct device *dev) device_pm_remove(dev); if (parent) klist_del(&dev->knode_parent); - if (MAJOR(dev->devt)) + if (MAJOR(dev->devt)) { + device_remove_sys_dev_entry(dev); device_remove_file(dev, &devt_attr); + } if (dev->class) { device_remove_class_symlinks(dev); - down(&dev->class->sem); + mutex_lock(&dev->class->p->class_mutex); /* notify any interfaces that the device is now gone */ - list_for_each_entry(class_intf, &dev->class->interfaces, node) + list_for_each_entry(class_intf, + &dev->class->p->class_interfaces, node) if (class_intf->remove_dev) class_intf->remove_dev(dev, class_intf); /* remove the device from the class list */ list_del_init(&dev->node); - up(&dev->class->sem); + mutex_unlock(&dev->class->p->class_mutex); } device_remove_file(dev, &uevent_attr); device_remove_attrs(dev); @@ -1074,7 +1141,25 @@ int __init devices_init(void) devices_kset = kset_create_and_add("devices", &device_uevent_ops, NULL); if (!devices_kset) return -ENOMEM; + dev_kobj = kobject_create_and_add("dev", NULL); + if (!dev_kobj) + goto dev_kobj_err; + sysfs_dev_block_kobj = kobject_create_and_add("block", dev_kobj); + if (!sysfs_dev_block_kobj) + goto block_kobj_err; + sysfs_dev_char_kobj = kobject_create_and_add("char", dev_kobj); + if (!sysfs_dev_char_kobj) + goto char_kobj_err; + return 0; + + char_kobj_err: + kobject_put(sysfs_dev_block_kobj); + block_kobj_err: + kobject_put(dev_kobj); + dev_kobj_err: + kset_unregister(devices_kset); + return -ENOMEM; } EXPORT_SYMBOL_GPL(device_for_each_child); @@ -1195,40 +1280,6 @@ struct device *device_create_drvdata(struct class *class, } EXPORT_SYMBOL_GPL(device_create_drvdata); -/** - * device_create - creates a device and registers it with sysfs - * @class: pointer to the struct class that this device should be registered to - * @parent: pointer to the parent struct device of this new device, if any - * @devt: the dev_t for the char device to be added - * @fmt: string for the device's name - * - * This function can be used by char device classes. A struct device - * will be created in sysfs, registered to the specified class. - * - * A "dev" file will be created, showing the dev_t for the device, if - * the dev_t is not 0,0. - * If a pointer to a parent struct device is passed in, the newly created - * struct device will be a child of that device in sysfs. - * The pointer to the struct device will be returned from the call. - * Any further sysfs files that might be required can be created using this - * pointer. - * - * Note: the struct class passed to this function must have previously - * been created with a call to class_create(). - */ -struct device *device_create(struct class *class, struct device *parent, - dev_t devt, const char *fmt, ...) -{ - va_list vargs; - struct device *dev; - - va_start(vargs, fmt); - dev = device_create_vargs(class, parent, devt, NULL, fmt, vargs); - va_end(vargs); - return dev; -} -EXPORT_SYMBOL_GPL(device_create); - static int __match_devt(struct device *dev, void *data) { dev_t *devt = data; @@ -1248,7 +1299,7 @@ void device_destroy(struct class *class, dev_t devt) { struct device *dev; - dev = class_find_device(class, &devt, __match_devt); + dev = class_find_device(class, NULL, &devt, __match_devt); if (dev) { put_device(dev); device_unregister(dev); @@ -1312,11 +1363,12 @@ int device_rename(struct device *dev, char *new_name) } #else if (dev->class) { - error = sysfs_create_link(&dev->class->subsys.kobj, &dev->kobj, - dev->bus_id); + error = sysfs_create_link(&dev->class->p->class_subsys.kobj, + &dev->kobj, dev->bus_id); if (error) goto out; - sysfs_remove_link(&dev->class->subsys.kobj, old_device_name); + sysfs_remove_link(&dev->class->p->class_subsys.kobj, + old_device_name); } #endif @@ -1452,4 +1504,7 @@ void device_shutdown(void) dev->driver->shutdown(dev); } } + kobject_put(sysfs_dev_char_kobj); + kobject_put(sysfs_dev_block_kobj); + kobject_put(dev_kobj); } diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c index 9fd4a8534146..264b3a2cd860 100644 --- a/drivers/base/firmware_class.c +++ b/drivers/base/firmware_class.c @@ -257,7 +257,7 @@ firmware_data_write(struct kobject *kobj, struct bin_attribute *bin_attr, if (retval) goto out; - memcpy(fw->data + offset, buffer, count); + memcpy((u8 *)fw->data + offset, buffer, count); fw->size = max_t(size_t, offset + count, fw->size); retval = count; diff --git a/drivers/base/power/trace.c b/drivers/base/power/trace.c index 2b4b392dcbc1..35d4befee8ce 100644 --- a/drivers/base/power/trace.c +++ b/drivers/base/power/trace.c @@ -194,7 +194,7 @@ static int show_dev_hash(unsigned int value) struct device * dev = to_device(entry); unsigned int hash = hash_string(DEVSEED, dev->bus_id, DEVHASH); if (hash == value) { - printk(" hash matches device %s\n", dev->bus_id); + dev_info(dev, "hash matches\n"); match++; } entry = entry->prev; diff --git a/drivers/base/sys.c b/drivers/base/sys.c index 358bb0be3c08..50690d9df248 100644 --- a/drivers/base/sys.c +++ b/drivers/base/sys.c @@ -130,8 +130,8 @@ static struct kset *system_kset; int sysdev_class_register(struct sysdev_class * cls) { - pr_debug("Registering sysdev class '%s'\n", - kobject_name(&cls->kset.kobj)); + pr_debug("Registering sysdev class '%s'\n", cls->name); + INIT_LIST_HEAD(&cls->drivers); memset(&cls->kset.kobj, 0x00, sizeof(struct kobject)); cls->kset.kobj.parent = &system_kset->kobj; @@ -241,7 +241,8 @@ int sysdev_register(struct sys_device * sysdev) if (!cls) return -EINVAL; - pr_debug("Registering sys device '%s'\n", kobject_name(&sysdev->kobj)); + pr_debug("Registering sys device of class '%s'\n", + kobject_name(&cls->kset.kobj)); /* initialize the kobject to 0, in case it had previously been used */ memset(&sysdev->kobj, 0x00, sizeof(struct kobject)); @@ -257,6 +258,9 @@ int sysdev_register(struct sys_device * sysdev) if (!error) { struct sysdev_driver * drv; + pr_debug("Registering sys device '%s'\n", + kobject_name(&sysdev->kobj)); + mutex_lock(&sysdev_drivers_lock); /* Generic notification is implicit, because it's that * code that should have called us. @@ -269,6 +273,7 @@ int sysdev_register(struct sys_device * sysdev) } mutex_unlock(&sysdev_drivers_lock); } + kobject_uevent(&sysdev->kobj, KOBJ_ADD); return error; } diff --git a/drivers/block/aoe/aoechr.c b/drivers/block/aoe/aoechr.c index e8e60e7a2e70..e5b2f2d2fb90 100644 --- a/drivers/block/aoe/aoechr.c +++ b/drivers/block/aoe/aoechr.c @@ -272,8 +272,9 @@ aoechr_init(void) return PTR_ERR(aoe_class); } for (i = 0; i < ARRAY_SIZE(chardevs); ++i) - device_create(aoe_class, NULL, - MKDEV(AOE_MAJOR, chardevs[i].minor), chardevs[i].name); + device_create_drvdata(aoe_class, NULL, + MKDEV(AOE_MAJOR, chardevs[i].minor), + NULL, chardevs[i].name); return 0; } diff --git a/drivers/block/paride/pg.c b/drivers/block/paride/pg.c index ab86e23ddc69..0267d5fc0dde 100644 --- a/drivers/block/paride/pg.c +++ b/drivers/block/paride/pg.c @@ -676,8 +676,9 @@ static int __init pg_init(void) for (unit = 0; unit < PG_UNITS; unit++) { struct pg *dev = &devices[unit]; if (dev->present) - device_create(pg_class, NULL, MKDEV(major, unit), - "pg%u", unit); + device_create_drvdata(pg_class, NULL, + MKDEV(major, unit), NULL, + "pg%u", unit); } err = 0; goto out; diff --git a/drivers/block/paride/pt.c b/drivers/block/paride/pt.c index 8b9549ab4a4e..defab6164d28 100644 --- a/drivers/block/paride/pt.c +++ b/drivers/block/paride/pt.c @@ -972,10 +972,12 @@ static int __init pt_init(void) for (unit = 0; unit < PT_UNITS; unit++) if (pt[unit].present) { - device_create(pt_class, NULL, MKDEV(major, unit), - "pt%d", unit); - device_create(pt_class, NULL, MKDEV(major, unit + 128), - "pt%dn", unit); + device_create_drvdata(pt_class, NULL, + MKDEV(major, unit), NULL, + "pt%d", unit); + device_create_drvdata(pt_class, NULL, + MKDEV(major, unit + 128), NULL, + "pt%dn", unit); } goto out; diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 3ba1df93e9e3..12f2cfdce74f 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -302,7 +302,9 @@ static struct kobj_type kobj_pkt_type_wqueue = { static void pkt_sysfs_dev_new(struct pktcdvd_device *pd) { if (class_pktcdvd) { - pd->dev = device_create(class_pktcdvd, NULL, pd->pkt_dev, "%s", pd->name); + pd->dev = device_create_drvdata(class_pktcdvd, NULL, + pd->pkt_dev, NULL, + "%s", pd->name); if (IS_ERR(pd->dev)) pd->dev = NULL; } diff --git a/drivers/bluetooth/bfusb.c b/drivers/bluetooth/bfusb.c index b990805806af..0c211adbc063 100644 --- a/drivers/bluetooth/bfusb.c +++ b/drivers/bluetooth/bfusb.c @@ -566,7 +566,8 @@ static int bfusb_ioctl(struct hci_dev *hdev, unsigned int cmd, unsigned long arg return -ENOIOCTLCMD; } -static int bfusb_load_firmware(struct bfusb_data *data, unsigned char *firmware, int count) +static int bfusb_load_firmware(struct bfusb_data *data, + const unsigned char *firmware, int count) { unsigned char *buf; int err, pipe, len, size, sent = 0; diff --git a/drivers/bluetooth/bt3c_cs.c b/drivers/bluetooth/bt3c_cs.c index 7703d6e06fd9..593b7c595038 100644 --- a/drivers/bluetooth/bt3c_cs.c +++ b/drivers/bluetooth/bt3c_cs.c @@ -470,7 +470,8 @@ static int bt3c_hci_ioctl(struct hci_dev *hdev, unsigned int cmd, unsigned long /* ======================== Card services HCI interaction ======================== */ -static int bt3c_load_firmware(bt3c_info_t *info, unsigned char *firmware, int count) +static int bt3c_load_firmware(bt3c_info_t *info, const unsigned char *firmware, + int count) { char *ptr = (char *) firmware; char b[9]; diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c index ef73e72daedc..6bff9d87dc57 100644 --- a/drivers/char/cyclades.c +++ b/drivers/char/cyclades.c @@ -4668,7 +4668,7 @@ static inline int __devinit cyc_isfwstr(const char *str, unsigned int size) return 0; } -static inline void __devinit cyz_fpga_copy(void __iomem *fpga, u8 *data, +static inline void __devinit cyz_fpga_copy(void __iomem *fpga, const u8 *data, unsigned int size) { for (; size > 0; size--) { @@ -4701,10 +4701,10 @@ static int __devinit __cyz_load_fw(const struct firmware *fw, const char *name, const u32 mailbox, void __iomem *base, void __iomem *fpga) { - void *ptr = fw->data; - struct zfile_header *h = ptr; - struct zfile_config *c, *cs; - struct zfile_block *b, *bs; + const void *ptr = fw->data; + const struct zfile_header *h = ptr; + const struct zfile_config *c, *cs; + const struct zfile_block *b, *bs; unsigned int a, tmp, len = fw->size; #define BAD_FW KERN_ERR "Bad firmware: " if (len < sizeof(*h)) { diff --git a/drivers/char/dsp56k.c b/drivers/char/dsp56k.c index a69c65283260..85373b33db56 100644 --- a/drivers/char/dsp56k.c +++ b/drivers/char/dsp56k.c @@ -513,7 +513,8 @@ static int __init dsp56k_init_driver(void) err = PTR_ERR(dsp56k_class); goto out_chrdev; } - device_create(dsp56k_class, NULL, MKDEV(DSP56K_MAJOR, 0), "dsp56k"); + device_create_drvdata(dsp56k_class, NULL, MKDEV(DSP56K_MAJOR, 0), + NULL, "dsp56k"); printk(banner); goto out; diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c index c12cf8fc4be0..3966694a44a0 100644 --- a/drivers/char/ip2/ip2main.c +++ b/drivers/char/ip2/ip2main.c @@ -692,12 +692,12 @@ ip2_loadmain(int *iop, int *irqp, unsigned char *firmware, int firmsize) } if ( NULL != ( pB = i2BoardPtrTable[i] ) ) { - device_create(ip2_class, NULL, - MKDEV(IP2_IPL_MAJOR, 4 * i), - "ipl%d", i); - device_create(ip2_class, NULL, - MKDEV(IP2_IPL_MAJOR, 4 * i + 1), - "stat%d", i); + device_create_drvdata(ip2_class, NULL, + MKDEV(IP2_IPL_MAJOR, 4 * i), + NULL, "ipl%d", i); + device_create_drvdata(ip2_class, NULL, + MKDEV(IP2_IPL_MAJOR, 4 * i + 1), + NULL, "stat%d", i); for ( box = 0; box < ABS_MAX_BOXES; ++box ) { diff --git a/drivers/char/ipmi/ipmi_devintf.c b/drivers/char/ipmi/ipmi_devintf.c index 0246a2b8ce48..fee6781ffbe6 100644 --- a/drivers/char/ipmi/ipmi_devintf.c +++ b/drivers/char/ipmi/ipmi_devintf.c @@ -865,7 +865,7 @@ static void ipmi_new_smi(int if_num, struct device *device) entry->dev = dev; mutex_lock(®_list_mutex); - device_create(ipmi_class, device, dev, "ipmi%d", if_num); + device_create_drvdata(ipmi_class, device, dev, NULL, "ipmi%d", if_num); list_add(&entry->link, ®_list); mutex_unlock(®_list_mutex); } diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c index 7c8b62f162bf..3e1895fe1d9b 100644 --- a/drivers/char/istallion.c +++ b/drivers/char/istallion.c @@ -4599,8 +4599,9 @@ static int __init istallion_module_init(void) istallion_class = class_create(THIS_MODULE, "staliomem"); for (i = 0; i < 4; i++) - device_create(istallion_class, NULL, MKDEV(STL_SIOMEMMAJOR, i), - "staliomem%d", i); + device_create_drvdata(istallion_class, NULL, + MKDEV(STL_SIOMEMMAJOR, i), + NULL, "staliomem%d", i); return 0; err_deinit: diff --git a/drivers/char/lp.c b/drivers/char/lp.c index 60ac642752be..0418a4af420e 100644 --- a/drivers/char/lp.c +++ b/drivers/char/lp.c @@ -799,7 +799,8 @@ static int lp_register(int nr, struct parport *port) if (reset) lp_reset(nr); - device_create(lp_class, port->dev, MKDEV(LP_MAJOR, nr), "lp%d", nr); + device_create_drvdata(lp_class, port->dev, MKDEV(LP_MAJOR, nr), NULL, + "lp%d", nr); printk(KERN_INFO "lp%d: using %s (%s).\n", nr, port->name, (port->irq == PARPORT_IRQ_NONE)?"polling":"interrupt-driven"); diff --git a/drivers/char/mem.c b/drivers/char/mem.c index 934ffafedaea..832025f6d532 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -983,9 +983,9 @@ static int __init chr_dev_init(void) mem_class = class_create(THIS_MODULE, "mem"); for (i = 0; i < ARRAY_SIZE(devlist); i++) - device_create(mem_class, NULL, - MKDEV(MEM_MAJOR, devlist[i].minor), - devlist[i].name); + device_create_drvdata(mem_class, NULL, + MKDEV(MEM_MAJOR, devlist[i].minor), + NULL, devlist[i].name); return 0; } diff --git a/drivers/char/misc.c b/drivers/char/misc.c index eaace0db0ff4..639b2b41d53e 100644 --- a/drivers/char/misc.c +++ b/drivers/char/misc.c @@ -214,8 +214,8 @@ int misc_register(struct miscdevice * misc) misc_minors[misc->minor >> 3] |= 1 << (misc->minor & 7); dev = MKDEV(MISC_MAJOR, misc->minor); - misc->this_device = device_create(misc_class, misc->parent, dev, - "%s", misc->name); + misc->this_device = device_create_drvdata(misc_class, misc->parent, + dev, NULL, "%s", misc->name); if (IS_ERR(misc->this_device)) { err = PTR_ERR(misc->this_device); goto out; diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c index 4a933d413423..586c1961b6fc 100644 --- a/drivers/char/pcmcia/cm4000_cs.c +++ b/drivers/char/pcmcia/cm4000_cs.c @@ -1864,7 +1864,7 @@ static int cm4000_probe(struct pcmcia_device *link) return ret; } - device_create(cmm_class, NULL, MKDEV(major, i), "cmm%d", i); + device_create_drvdata(cmm_class, NULL, MKDEV(major, i), NULL, "cmm%d", i); return 0; } diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c index 035084c07329..aaac106b8db5 100644 --- a/drivers/char/pcmcia/cm4040_cs.c +++ b/drivers/char/pcmcia/cm4040_cs.c @@ -642,7 +642,8 @@ static int reader_probe(struct pcmcia_device *link) return ret; } - device_create(cmx_class, NULL, MKDEV(major, i), "cmx%d", i); + device_create_drvdata(cmx_class, NULL, MKDEV(major, i), NULL, + "cmx%d", i); return 0; } diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c index 3aab837d9480..d0a0c783f630 100644 --- a/drivers/char/ppdev.c +++ b/drivers/char/ppdev.c @@ -750,8 +750,9 @@ static const struct file_operations pp_fops = { static void pp_attach(struct parport *port) { - device_create(ppdev_class, port->dev, MKDEV(PP_MAJOR, port->number), - "parport%d", port->number); + device_create_drvdata(ppdev_class, port->dev, + MKDEV(PP_MAJOR, port->number), + NULL, "parport%d", port->number); } static void pp_detach(struct parport *port) diff --git a/drivers/char/raw.c b/drivers/char/raw.c index bbfa0e241cba..213f05d71f89 100644 --- a/drivers/char/raw.c +++ b/drivers/char/raw.c @@ -128,8 +128,8 @@ raw_ioctl(struct inode *inode, struct file *filp, static void bind_device(struct raw_config_request *rq) { device_destroy(raw_class, MKDEV(RAW_MAJOR, rq->raw_minor)); - device_create(raw_class, NULL, MKDEV(RAW_MAJOR, rq->raw_minor), - "raw%d", rq->raw_minor); + device_create_drvdata(raw_class, NULL, MKDEV(RAW_MAJOR, rq->raw_minor), + NULL, "raw%d", rq->raw_minor); } /* @@ -280,7 +280,8 @@ static int __init raw_init(void) ret = PTR_ERR(raw_class); goto error_region; } - device_create(raw_class, NULL, MKDEV(RAW_MAJOR, 0), "rawctl"); + device_create_drvdata(raw_class, NULL, MKDEV(RAW_MAJOR, 0), NULL, + "rawctl"); return 0; diff --git a/drivers/char/snsc.c b/drivers/char/snsc.c index 8fe099a41065..864080c257ab 100644 --- a/drivers/char/snsc.c +++ b/drivers/char/snsc.c @@ -441,7 +441,8 @@ scdrv_init(void) continue; } - device_create(snsc_class, NULL, dev, "%s", devname); + device_create_drvdata(snsc_class, NULL, dev, NULL, + "%s", devname); ia64_sn_irtr_intr_enable(scd->scd_nasid, 0 /*ignored */ , diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c index d17be10c5d21..c0c03fd1c691 100644 --- a/drivers/char/stallion.c +++ b/drivers/char/stallion.c @@ -4753,8 +4753,8 @@ static int __init stallion_module_init(void) if (IS_ERR(stallion_class)) printk("STALLION: failed to create class\n"); for (i = 0; i < 4; i++) - device_create(stallion_class, NULL, MKDEV(STL_SIOMEMMAJOR, i), - "staliomem%d", i); + device_create_drvdata(stallion_class, NULL, MKDEV(STL_SIOMEMMAJOR, i), + NULL, "staliomem%d", i); return 0; err_unrtty: diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index e94bee032314..59dc116b8eb9 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -3896,7 +3896,7 @@ struct device *tty_register_device(struct tty_driver *driver, unsigned index, else tty_line_name(driver, index, name); - return device_create(tty_class, device, dev, name); + return device_create_drvdata(tty_class, device, dev, NULL, name); } /** @@ -4174,20 +4174,22 @@ static int __init tty_init(void) if (cdev_add(&tty_cdev, MKDEV(TTYAUX_MAJOR, 0), 1) || register_chrdev_region(MKDEV(TTYAUX_MAJOR, 0), 1, "/dev/tty") < 0) panic("Couldn't register /dev/tty driver\n"); - device_create(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 0), "tty"); + device_create_drvdata(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 0), NULL, + "tty"); cdev_init(&console_cdev, &console_fops); if (cdev_add(&console_cdev, MKDEV(TTYAUX_MAJOR, 1), 1) || register_chrdev_region(MKDEV(TTYAUX_MAJOR, 1), 1, "/dev/console") < 0) panic("Couldn't register /dev/console driver\n"); - device_create(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 1), "console"); + device_create_drvdata(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 1), NULL, + "console"); #ifdef CONFIG_UNIX98_PTYS cdev_init(&ptmx_cdev, &ptmx_fops); if (cdev_add(&ptmx_cdev, MKDEV(TTYAUX_MAJOR, 2), 1) || register_chrdev_region(MKDEV(TTYAUX_MAJOR, 2), 1, "/dev/ptmx") < 0) panic("Couldn't register /dev/ptmx driver\n"); - device_create(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 2), "ptmx"); + device_create_drvdata(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 2), NULL, "ptmx"); #endif #ifdef CONFIG_VT @@ -4195,7 +4197,7 @@ static int __init tty_init(void) if (cdev_add(&vc0_cdev, MKDEV(TTY_MAJOR, 0), 1) || register_chrdev_region(MKDEV(TTY_MAJOR, 0), 1, "/dev/vc/0") < 0) panic("Couldn't register /dev/tty0 driver\n"); - device_create(tty_class, NULL, MKDEV(TTY_MAJOR, 0), "tty0"); + device_create_drvdata(tty_class, NULL, MKDEV(TTY_MAJOR, 0), NULL, "tty0"); vty_init(); #endif diff --git a/drivers/char/vc_screen.c b/drivers/char/vc_screen.c index 83aeedda200c..03f9dc309dbe 100644 --- a/drivers/char/vc_screen.c +++ b/drivers/char/vc_screen.c @@ -476,10 +476,10 @@ static struct class *vc_class; void vcs_make_sysfs(struct tty_struct *tty) { - device_create(vc_class, NULL, MKDEV(VCS_MAJOR, tty->index + 1), - "vcs%u", tty->index + 1); - device_create(vc_class, NULL, MKDEV(VCS_MAJOR, tty->index + 129), - "vcsa%u", tty->index + 1); + device_create_drvdata(vc_class, NULL, MKDEV(VCS_MAJOR, tty->index + 1), + NULL, "vcs%u", tty->index + 1); + device_create_drvdata(vc_class, NULL, MKDEV(VCS_MAJOR, tty->index + 129), + NULL, "vcsa%u", tty->index + 1); } void vcs_remove_sysfs(struct tty_struct *tty) @@ -494,7 +494,7 @@ int __init vcs_init(void) panic("unable to get major %d for vcs device", VCS_MAJOR); vc_class = class_create(THIS_MODULE, "vc"); - device_create(vc_class, NULL, MKDEV(VCS_MAJOR, 0), "vcs"); - device_create(vc_class, NULL, MKDEV(VCS_MAJOR, 128), "vcsa"); + device_create_drvdata(vc_class, NULL, MKDEV(VCS_MAJOR, 0), NULL, "vcs"); + device_create_drvdata(vc_class, NULL, MKDEV(VCS_MAJOR, 128), NULL, "vcsa"); return 0; } diff --git a/drivers/char/viotape.c b/drivers/char/viotape.c index c39ddaff5e8f..e508ad99d11e 100644 --- a/drivers/char/viotape.c +++ b/drivers/char/viotape.c @@ -872,10 +872,10 @@ static int viotape_probe(struct vio_dev *vdev, const struct vio_device_id *id) state[i].cur_part = 0; for (j = 0; j < MAX_PARTITIONS; ++j) state[i].part_stat_rwi[j] = VIOT_IDLE; - device_create(tape_class, NULL, MKDEV(VIOTAPE_MAJOR, i), - "iseries!vt%d", i); - device_create(tape_class, NULL, MKDEV(VIOTAPE_MAJOR, i | 0x80), - "iseries!nvt%d", i); + device_create_drvdata(tape_class, NULL, MKDEV(VIOTAPE_MAJOR, i), + NULL, "iseries!vt%d", i); + device_create_drvdata(tape_class, NULL, MKDEV(VIOTAPE_MAJOR, i | 0x80), + NULL, "iseries!nvt%d", i); printk(VIOTAPE_KERN_INFO "tape iseries/vt%d is iSeries " "resource %10.10s type %4.4s, model %3.3s\n", i, viotape_unitinfo[i].rsrcname, diff --git a/drivers/char/vt.c b/drivers/char/vt.c index 935f1c207a1f..e32a076d5f1f 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -3425,9 +3425,10 @@ int register_con_driver(const struct consw *csw, int first, int last) if (retval) goto err; - con_driver->dev = device_create(vtconsole_class, NULL, - MKDEV(0, con_driver->node), - "vtcon%i", con_driver->node); + con_driver->dev = device_create_drvdata(vtconsole_class, NULL, + MKDEV(0, con_driver->node), + NULL, "vtcon%i", + con_driver->node); if (IS_ERR(con_driver->dev)) { printk(KERN_WARNING "Unable to create device for %s; " @@ -3535,9 +3536,10 @@ static int __init vtconsole_class_init(void) struct con_driver *con = ®istered_con_driver[i]; if (con->con && !con->dev) { - con->dev = device_create(vtconsole_class, NULL, - MKDEV(0, con->node), - "vtcon%i", con->node); + con->dev = device_create_drvdata(vtconsole_class, NULL, + MKDEV(0, con->node), + NULL, "vtcon%i", + con->node); if (IS_ERR(con->dev)) { printk(KERN_WARNING "Unable to create " diff --git a/drivers/char/xilinx_hwicap/xilinx_hwicap.c b/drivers/char/xilinx_hwicap/xilinx_hwicap.c index 3edf1fc12963..ba104631a976 100644 --- a/drivers/char/xilinx_hwicap/xilinx_hwicap.c +++ b/drivers/char/xilinx_hwicap/xilinx_hwicap.c @@ -654,8 +654,9 @@ static int __devinit hwicap_setup(struct device *dev, int id, dev_err(dev, "cdev_add() failed\n"); goto failed3; } - /* devfs_mk_cdev(devt, S_IFCHR|S_IRUGO|S_IWUGO, DRIVER_NAME); */ - device_create(icap_class, dev, devt, "%s%d", DRIVER_NAME, id); + + device_create_drvdata(icap_class, dev, devt, NULL, + "%s%d", DRIVER_NAME, id); return 0; /* success */ failed3: diff --git a/drivers/dca/dca-sysfs.c b/drivers/dca/dca-sysfs.c index 011328faa5f2..9a70377bfb34 100644 --- a/drivers/dca/dca-sysfs.c +++ b/drivers/dca/dca-sysfs.c @@ -14,8 +14,9 @@ int dca_sysfs_add_req(struct dca_provider *dca, struct device *dev, int slot) { struct device *cd; - cd = device_create(dca_class, dca->cd, MKDEV(0, slot + 1), - "requester%d", slot); + cd = device_create_drvdata(dca_class, dca->cd, + MKDEV(0, slot + 1), NULL, + "requester%d", slot); if (IS_ERR(cd)) return PTR_ERR(cd); return 0; @@ -46,7 +47,8 @@ idr_try_again: return err; } - cd = device_create(dca_class, dev, MKDEV(0, 0), "dca%d", dca->id); + cd = device_create_drvdata(dca_class, dev, MKDEV(0, 0), NULL, + "dca%d", dca->id); if (IS_ERR(cd)) { spin_lock(&dca_idr_lock); idr_remove(&dca_idr, dca->id); diff --git a/drivers/eisa/Makefile b/drivers/eisa/Makefile index 70abf93fe6b0..5369ce957c6d 100644 --- a/drivers/eisa/Makefile +++ b/drivers/eisa/Makefile @@ -9,7 +9,7 @@ obj-${CONFIG_EISA_VIRTUAL_ROOT} += virtual_root.o # Ugly hack to get DEVICE_NAME_SIZE value... -DEVICE_NAME_SIZE =$(shell awk '$$1=="\#define" && $$2=="DEVICE_NAME_SIZE" {print $$3-1}' $(srctree)/include/linux/device.h) +DEVICE_NAME_SIZE = 50 $(obj)/eisa-bus.o: $(obj)/devlist.h diff --git a/drivers/eisa/eisa-bus.c b/drivers/eisa/eisa-bus.c index 65dcf0432653..c950bf8606d9 100644 --- a/drivers/eisa/eisa-bus.c +++ b/drivers/eisa/eisa-bus.c @@ -22,7 +22,7 @@ struct eisa_device_info { struct eisa_device_id id; - char name[DEVICE_NAME_SIZE]; + char name[50]; }; #ifdef CONFIG_EISA_NAMES @@ -63,7 +63,7 @@ static void __init eisa_name_device (struct eisa_device *edev) if (!strcmp (edev->id.sig, eisa_table[i].id.sig)) { strlcpy (edev->pretty_name, eisa_table[i].name, - DEVICE_NAME_SIZE); + sizeof(edev->pretty_name)); return; } } diff --git a/drivers/firmware/dell_rbu.c b/drivers/firmware/dell_rbu.c index 6a8b1e037e07..7430e218cda6 100644 --- a/drivers/firmware/dell_rbu.c +++ b/drivers/firmware/dell_rbu.c @@ -220,7 +220,7 @@ out_noalloc: return retval; } -static int packetize_data(void *data, size_t length) +static int packetize_data(const u8 *data, size_t length) { int rc = 0; int done = 0; diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index 1ca6f4635eeb..687ba35aedce 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -319,8 +319,9 @@ int hidraw_connect(struct hid_device *hid) goto out; } - dev->dev = device_create(hidraw_class, NULL, MKDEV(hidraw_major, minor), - "%s%d", "hidraw", minor); + dev->dev = device_create_drvdata(hidraw_class, NULL, + MKDEV(hidraw_major, minor), NULL, + "%s%d", "hidraw", minor); if (IS_ERR(dev->dev)) { spin_lock(&minors_lock); diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c index 3db28450a3b3..7321a88a5112 100644 --- a/drivers/hwmon/hwmon.c +++ b/drivers/hwmon/hwmon.c @@ -55,7 +55,8 @@ again: return ERR_PTR(err); id = id & MAX_ID_MASK; - hwdev = device_create(hwmon_class, dev, MKDEV(0,0), HWMON_ID_FORMAT, id); + hwdev = device_create_drvdata(hwmon_class, dev, MKDEV(0, 0), NULL, + HWMON_ID_FORMAT, id); if (IS_ERR(hwdev)) { spin_lock(&idr_lock); diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index d0175f4f8fc6..97d826827956 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -646,6 +646,15 @@ EXPORT_SYMBOL(i2c_del_adapter); /* ------------------------------------------------------------------------- */ +static int attach_device(struct device *dev, void *data) +{ + struct i2c_adapter *adapter = to_i2c_adapter(dev); + struct i2c_driver *driver = data; + + driver->attach_adapter(adapter); + return 0; +} + /* * An i2c_driver is used with one or more i2c_client (device) nodes to access * i2c slave chips, on a bus instance associated with some i2c_adapter. There @@ -686,22 +695,52 @@ int i2c_register_driver(struct module *owner, struct i2c_driver *driver) pr_debug("i2c-core: driver [%s] registered\n", driver->driver.name); /* legacy drivers scan i2c busses directly */ - if (driver->attach_adapter) { - struct i2c_adapter *adapter; - - down(&i2c_adapter_class.sem); - list_for_each_entry(adapter, &i2c_adapter_class.devices, - dev.node) { - driver->attach_adapter(adapter); - } - up(&i2c_adapter_class.sem); - } + if (driver->attach_adapter) + class_for_each_device(&i2c_adapter_class, NULL, + (void *)driver, attach_device); mutex_unlock(&core_lock); return 0; } EXPORT_SYMBOL(i2c_register_driver); +static int detach_device(struct device *dev, void *data) +{ + struct i2c_adapter *adapter = to_i2c_adapter(dev); + struct i2c_driver *driver = data; + struct list_head *item2; + struct list_head *_n; + struct i2c_client *client; + + /* Have a look at each adapter, if clients of this driver are still + * attached. If so, detach them to be able to kill the driver + * afterwards. + */ + if (driver->detach_adapter) { + if (driver->detach_adapter(adapter)) { + dev_err(&adapter->dev, "detach_adapter failed " + "for driver [%s]\n", + driver->driver.name); + } + } else { + list_for_each_safe(item2, _n, &adapter->clients) { + client = list_entry(item2, struct i2c_client, list); + if (client->driver != driver) + continue; + dev_dbg(&adapter->dev, "detaching client [%s] " + "at 0x%02x\n", client->name, + client->addr); + if (driver->detach_client(client)) { + dev_err(&adapter->dev, "detach_client " + "failed for client [%s] at " + "0x%02x\n", client->name, + client->addr); + } + } + } + return 0; +} + /** * i2c_del_driver - unregister I2C driver * @driver: the driver being unregistered @@ -709,46 +748,15 @@ EXPORT_SYMBOL(i2c_register_driver); */ void i2c_del_driver(struct i2c_driver *driver) { - struct list_head *item2, *_n; - struct i2c_client *client; - struct i2c_adapter *adap; - mutex_lock(&core_lock); /* new-style driver? */ if (is_newstyle_driver(driver)) goto unregister; - /* Have a look at each adapter, if clients of this driver are still - * attached. If so, detach them to be able to kill the driver - * afterwards. - */ - down(&i2c_adapter_class.sem); - list_for_each_entry(adap, &i2c_adapter_class.devices, dev.node) { - if (driver->detach_adapter) { - if (driver->detach_adapter(adap)) { - dev_err(&adap->dev, "detach_adapter failed " - "for driver [%s]\n", - driver->driver.name); - } - } else { - list_for_each_safe(item2, _n, &adap->clients) { - client = list_entry(item2, struct i2c_client, list); - if (client->driver != driver) - continue; - dev_dbg(&adap->dev, "detaching client [%s] " - "at 0x%02x\n", client->name, - client->addr); - if (driver->detach_client(client)) { - dev_err(&adap->dev, "detach_client " - "failed for client [%s] at " - "0x%02x\n", client->name, - client->addr); - } - } - } - } - up(&i2c_adapter_class.sem); + /* old-style driver, do it by hand */ + class_for_each_device(&i2c_adapter_class, NULL, (void *)driver, + detach_device); unregister: driver_unregister(&driver->driver); diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c index d34c14c81c29..7cd3c32dd0fb 100644 --- a/drivers/i2c/i2c-dev.c +++ b/drivers/i2c/i2c-dev.c @@ -512,9 +512,9 @@ static int i2cdev_attach_adapter(struct i2c_adapter *adap) return PTR_ERR(i2c_dev); /* register this i2c device with the driver core */ - i2c_dev->dev = device_create(i2c_dev_class, &adap->dev, - MKDEV(I2C_MAJOR, adap->nr), - "i2c-%d", adap->nr); + i2c_dev->dev = device_create_drvdata(i2c_dev_class, &adap->dev, + MKDEV(I2C_MAJOR, adap->nr), + NULL, "i2c-%d", adap->nr); if (IS_ERR(i2c_dev->dev)) { res = PTR_ERR(i2c_dev->dev); goto error; diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 1e1f26331a24..99ddc4bbce58 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -2938,10 +2938,12 @@ static int ide_tape_probe(ide_drive_t *drive) idetape_setup(drive, tape, minor); - device_create(idetape_sysfs_class, &drive->gendev, - MKDEV(IDETAPE_MAJOR, minor), "%s", tape->name); - device_create(idetape_sysfs_class, &drive->gendev, - MKDEV(IDETAPE_MAJOR, minor + 128), "n%s", tape->name); + device_create_drvdata(idetape_sysfs_class, &drive->gendev, + MKDEV(IDETAPE_MAJOR, minor), NULL, + "%s", tape->name); + device_create_drvdata(idetape_sysfs_class, &drive->gendev, + MKDEV(IDETAPE_MAJOR, minor + 128), NULL, + "n%s", tape->name); g->fops = &idetape_block_ops; ide_register_region(g); diff --git a/drivers/ieee1394/dv1394.c b/drivers/ieee1394/dv1394.c index 9d19aec5820a..b6eb2cf25914 100644 --- a/drivers/ieee1394/dv1394.c +++ b/drivers/ieee1394/dv1394.c @@ -2296,9 +2296,10 @@ static void dv1394_add_host(struct hpsb_host *host) ohci = (struct ti_ohci *)host->hostdata; - device_create(hpsb_protocol_class, NULL, MKDEV( - IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_DV1394 * 16 + (id<<2)), - "dv1394-%d", id); + device_create_drvdata(hpsb_protocol_class, NULL, + MKDEV(IEEE1394_MAJOR, + IEEE1394_MINOR_BLOCK_DV1394 * 16 + (id<<2)), NULL, + "dv1394-%d", id); dv1394_init(ohci, DV1394_NTSC, MODE_RECEIVE); dv1394_init(ohci, DV1394_NTSC, MODE_TRANSMIT); diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c index 05710c7c1220..994a21e5a0aa 100644 --- a/drivers/ieee1394/nodemgr.c +++ b/drivers/ieee1394/nodemgr.c @@ -754,7 +754,8 @@ static void nodemgr_remove_uds(struct node_entry *ne) */ mutex_lock(&nodemgr_serialize_remove_uds); for (;;) { - dev = class_find_device(&nodemgr_ud_class, ne, __match_ne); + dev = class_find_device(&nodemgr_ud_class, NULL, ne, + __match_ne); if (!dev) break; ud = container_of(dev, struct unit_directory, unit_dev); @@ -901,7 +902,8 @@ static struct node_entry *find_entry_by_guid(u64 guid) struct device *dev; struct node_entry *ne; - dev = class_find_device(&nodemgr_ne_class, &guid, __match_ne_guid); + dev = class_find_device(&nodemgr_ne_class, NULL, &guid, + __match_ne_guid); if (!dev) return NULL; ne = container_of(dev, struct node_entry, node_dev); @@ -940,7 +942,8 @@ static struct node_entry *find_entry_by_nodeid(struct hpsb_host *host, param.host = host; param.nodeid = nodeid; - dev = class_find_device(&nodemgr_ne_class, ¶m, __match_ne_nodeid); + dev = class_find_device(&nodemgr_ne_class, NULL, ¶m, + __match_ne_nodeid); if (!dev) return NULL; ne = container_of(dev, struct node_entry, node_dev); @@ -1453,7 +1456,8 @@ static void nodemgr_suspend_ne(struct node_entry *ne) ne->in_limbo = 1; WARN_ON(device_create_file(&ne->device, &dev_attr_ne_in_limbo)); - class_for_each_device(&nodemgr_ud_class, ne, __nodemgr_driver_suspend); + class_for_each_device(&nodemgr_ud_class, NULL, ne, + __nodemgr_driver_suspend); } @@ -1462,7 +1466,8 @@ static void nodemgr_resume_ne(struct node_entry *ne) ne->in_limbo = 0; device_remove_file(&ne->device, &dev_attr_ne_in_limbo); - class_for_each_device(&nodemgr_ud_class, ne, __nodemgr_driver_resume); + class_for_each_device(&nodemgr_ud_class, NULL, ne, + __nodemgr_driver_resume); HPSB_DEBUG("Node resumed: ID:BUS[" NODE_BUS_FMT "] GUID[%016Lx]", NODE_BUS_ARGS(ne->host, ne->nodeid), (unsigned long long)ne->guid); } @@ -1498,7 +1503,8 @@ static int __nodemgr_update_pdrv(struct device *dev, void *data) static void nodemgr_update_pdrv(struct node_entry *ne) { - class_for_each_device(&nodemgr_ud_class, ne, __nodemgr_update_pdrv); + class_for_each_device(&nodemgr_ud_class, NULL, ne, + __nodemgr_update_pdrv); } @@ -1591,7 +1597,8 @@ static void nodemgr_node_probe(struct host_info *hi, int generation) * while probes are time-consuming. (Well, those probes need some * improvement...) */ - class_for_each_device(&nodemgr_ne_class, ¶m, __nodemgr_node_probe); + class_for_each_device(&nodemgr_ne_class, NULL, ¶m, + __nodemgr_node_probe); /* If we had a bus reset while we were scanning the bus, it is * possible that we did not probe all nodes. In that case, we @@ -1826,7 +1833,7 @@ int nodemgr_for_each_host(void *data, int (*cb)(struct hpsb_host *, void *)) hip.cb = cb; hip.data = data; - error = class_for_each_device(&hpsb_host_class, &hip, + error = class_for_each_device(&hpsb_host_class, NULL, &hip, __nodemgr_for_each_host); return error; diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c index ec2a0adbedb2..2212a91d96b4 100644 --- a/drivers/ieee1394/raw1394.c +++ b/drivers/ieee1394/raw1394.c @@ -3000,10 +3000,10 @@ static int __init init_raw1394(void) hpsb_register_highlevel(&raw1394_highlevel); if (IS_ERR - (device_create( + (device_create_drvdata( hpsb_protocol_class, NULL, MKDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_RAW1394 * 16), - RAW1394_DEVICE_NAME))) { + NULL, RAW1394_DEVICE_NAME))) { ret = -EFAULT; goto out_unreg; } diff --git a/drivers/ieee1394/video1394.c b/drivers/ieee1394/video1394.c index e24772d336e1..903e01f002cc 100644 --- a/drivers/ieee1394/video1394.c +++ b/drivers/ieee1394/video1394.c @@ -1341,9 +1341,9 @@ static void video1394_add_host (struct hpsb_host *host) hpsb_set_hostinfo_key(&video1394_highlevel, host, ohci->host->id); minor = IEEE1394_MINOR_BLOCK_VIDEO1394 * 16 + ohci->host->id; - device_create(hpsb_protocol_class, NULL, - MKDEV(IEEE1394_MAJOR, minor), - "%s-%d", VIDEO1394_DRIVER_NAME, ohci->host->id); + device_create_drvdata(hpsb_protocol_class, NULL, + MKDEV(IEEE1394_MAJOR, minor), NULL, + "%s-%d", VIDEO1394_DRIVER_NAME, ohci->host->id); } diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index a47fe64e5c39..7bae6257bd5c 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -46,6 +46,7 @@ #include <linux/spinlock.h> #include <linux/sysfs.h> #include <linux/workqueue.h> +#include <linux/kdev_t.h> #include <rdma/ib_cache.h> #include <rdma/ib_cm.h> @@ -164,8 +165,8 @@ struct cm_port { struct cm_device { struct list_head list; - struct ib_device *device; - struct kobject dev_obj; + struct ib_device *ib_device; + struct device *device; u8 ack_delay; struct cm_port *port[0]; }; @@ -341,7 +342,7 @@ static void cm_init_av_for_response(struct cm_port *port, struct ib_wc *wc, { av->port = port; av->pkey_index = wc->pkey_index; - ib_init_ah_from_wc(port->cm_dev->device, port->port_num, wc, + ib_init_ah_from_wc(port->cm_dev->ib_device, port->port_num, wc, grh, &av->ah_attr); } @@ -355,7 +356,7 @@ static int cm_init_av_by_path(struct ib_sa_path_rec *path, struct cm_av *av) read_lock_irqsave(&cm.device_lock, flags); list_for_each_entry(cm_dev, &cm.device_list, list) { - if (!ib_find_cached_gid(cm_dev->device, &path->sgid, + if (!ib_find_cached_gid(cm_dev->ib_device, &path->sgid, &p, NULL)) { port = cm_dev->port[p-1]; break; @@ -366,13 +367,13 @@ static int cm_init_av_by_path(struct ib_sa_path_rec *path, struct cm_av *av) if (!port) return -EINVAL; - ret = ib_find_cached_pkey(cm_dev->device, port->port_num, + ret = ib_find_cached_pkey(cm_dev->ib_device, port->port_num, be16_to_cpu(path->pkey), &av->pkey_index); if (ret) return ret; av->port = port; - ib_init_ah_from_path(cm_dev->device, port->port_num, path, + ib_init_ah_from_path(cm_dev->ib_device, port->port_num, path, &av->ah_attr); av->timeout = path->packet_life_time + 1; return 0; @@ -1517,7 +1518,7 @@ static int cm_req_handler(struct cm_work *work) req_msg = (struct cm_req_msg *)work->mad_recv_wc->recv_buf.mad; - cm_id = ib_create_cm_id(work->port->cm_dev->device, NULL, NULL); + cm_id = ib_create_cm_id(work->port->cm_dev->ib_device, NULL, NULL); if (IS_ERR(cm_id)) return PTR_ERR(cm_id); @@ -1552,7 +1553,7 @@ static int cm_req_handler(struct cm_work *work) cm_format_paths_from_req(req_msg, &work->path[0], &work->path[1]); ret = cm_init_av_by_path(&work->path[0], &cm_id_priv->av); if (ret) { - ib_get_cached_gid(work->port->cm_dev->device, + ib_get_cached_gid(work->port->cm_dev->ib_device, work->port->port_num, 0, &work->path[0].sgid); ib_send_cm_rej(cm_id, IB_CM_REJ_INVALID_GID, &work->path[0].sgid, sizeof work->path[0].sgid, @@ -2952,7 +2953,7 @@ static int cm_sidr_req_handler(struct cm_work *work) struct cm_sidr_req_msg *sidr_req_msg; struct ib_wc *wc; - cm_id = ib_create_cm_id(work->port->cm_dev->device, NULL, NULL); + cm_id = ib_create_cm_id(work->port->cm_dev->ib_device, NULL, NULL); if (IS_ERR(cm_id)) return PTR_ERR(cm_id); cm_id_priv = container_of(cm_id, struct cm_id_private, id); @@ -3580,7 +3581,7 @@ static void cm_get_ack_delay(struct cm_device *cm_dev) { struct ib_device_attr attr; - if (ib_query_device(cm_dev->device, &attr)) + if (ib_query_device(cm_dev->ib_device, &attr)) cm_dev->ack_delay = 0; /* acks will rely on packet life time */ else cm_dev->ack_delay = attr.local_ca_ack_delay; @@ -3620,18 +3621,6 @@ static struct kobj_type cm_port_obj_type = { .release = cm_release_port_obj }; -static void cm_release_dev_obj(struct kobject *obj) -{ - struct cm_device *cm_dev; - - cm_dev = container_of(obj, struct cm_device, dev_obj); - kfree(cm_dev); -} - -static struct kobj_type cm_dev_obj_type = { - .release = cm_release_dev_obj -}; - struct class cm_class = { .name = "infiniband_cm", }; @@ -3642,7 +3631,7 @@ static int cm_create_port_fs(struct cm_port *port) int i, ret; ret = kobject_init_and_add(&port->port_obj, &cm_port_obj_type, - &port->cm_dev->dev_obj, + &port->cm_dev->device->kobj, "%d", port->port_num); if (ret) { kfree(port); @@ -3678,7 +3667,7 @@ static void cm_remove_port_fs(struct cm_port *port) kobject_put(&port->port_obj); } -static void cm_add_one(struct ib_device *device) +static void cm_add_one(struct ib_device *ib_device) { struct cm_device *cm_dev; struct cm_port *port; @@ -3693,26 +3682,27 @@ static void cm_add_one(struct ib_device *device) int ret; u8 i; - if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB) + if (rdma_node_get_transport(ib_device->node_type) != RDMA_TRANSPORT_IB) return; cm_dev = kzalloc(sizeof(*cm_dev) + sizeof(*port) * - device->phys_port_cnt, GFP_KERNEL); + ib_device->phys_port_cnt, GFP_KERNEL); if (!cm_dev) return; - cm_dev->device = device; + cm_dev->ib_device = ib_device; cm_get_ack_delay(cm_dev); - ret = kobject_init_and_add(&cm_dev->dev_obj, &cm_dev_obj_type, - &cm_class.subsys.kobj, "%s", device->name); - if (ret) { + cm_dev->device = device_create_drvdata(&cm_class, &ib_device->dev, + MKDEV(0, 0), NULL, + "%s", ib_device->name); + if (!cm_dev->device) { kfree(cm_dev); return; } set_bit(IB_MGMT_METHOD_SEND, reg_req.method_mask); - for (i = 1; i <= device->phys_port_cnt; i++) { + for (i = 1; i <= ib_device->phys_port_cnt; i++) { port = kzalloc(sizeof *port, GFP_KERNEL); if (!port) goto error1; @@ -3725,7 +3715,7 @@ static void cm_add_one(struct ib_device *device) if (ret) goto error1; - port->mad_agent = ib_register_mad_agent(device, i, + port->mad_agent = ib_register_mad_agent(ib_device, i, IB_QPT_GSI, ®_req, 0, @@ -3735,11 +3725,11 @@ static void cm_add_one(struct ib_device *device) if (IS_ERR(port->mad_agent)) goto error2; - ret = ib_modify_port(device, i, 0, &port_modify); + ret = ib_modify_port(ib_device, i, 0, &port_modify); if (ret) goto error3; } - ib_set_client_data(device, &cm_client, cm_dev); + ib_set_client_data(ib_device, &cm_client, cm_dev); write_lock_irqsave(&cm.device_lock, flags); list_add_tail(&cm_dev->list, &cm.device_list); @@ -3755,14 +3745,14 @@ error1: port_modify.clr_port_cap_mask = IB_PORT_CM_SUP; while (--i) { port = cm_dev->port[i-1]; - ib_modify_port(device, port->port_num, 0, &port_modify); + ib_modify_port(ib_device, port->port_num, 0, &port_modify); ib_unregister_mad_agent(port->mad_agent); cm_remove_port_fs(port); } - kobject_put(&cm_dev->dev_obj); + device_unregister(cm_dev->device); } -static void cm_remove_one(struct ib_device *device) +static void cm_remove_one(struct ib_device *ib_device) { struct cm_device *cm_dev; struct cm_port *port; @@ -3772,7 +3762,7 @@ static void cm_remove_one(struct ib_device *device) unsigned long flags; int i; - cm_dev = ib_get_client_data(device, &cm_client); + cm_dev = ib_get_client_data(ib_device, &cm_client); if (!cm_dev) return; @@ -3780,14 +3770,14 @@ static void cm_remove_one(struct ib_device *device) list_del(&cm_dev->list); write_unlock_irqrestore(&cm.device_lock, flags); - for (i = 1; i <= device->phys_port_cnt; i++) { + for (i = 1; i <= ib_device->phys_port_cnt; i++) { port = cm_dev->port[i-1]; - ib_modify_port(device, port->port_num, 0, &port_modify); + ib_modify_port(ib_device, port->port_num, 0, &port_modify); ib_unregister_mad_agent(port->mad_agent); flush_workqueue(cm.wq); cm_remove_port_fs(port); } - kobject_put(&cm_dev->dev_obj); + device_unregister(cm_dev->device); } static int __init ib_cm_init(void) diff --git a/drivers/infiniband/hw/ipath/ipath_file_ops.c b/drivers/infiniband/hw/ipath/ipath_file_ops.c index b472b15637f0..edaf667617df 100644 --- a/drivers/infiniband/hw/ipath/ipath_file_ops.c +++ b/drivers/infiniband/hw/ipath/ipath_file_ops.c @@ -2453,7 +2453,7 @@ static int init_cdev(int minor, char *name, const struct file_operations *fops, goto err_cdev; } - device = device_create(ipath_class, NULL, dev, name); + device = device_create_drvdata(ipath_class, NULL, dev, NULL, name); if (IS_ERR(device)) { ret = PTR_ERR(device); diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c index 6ca0bb949ad3..bac01628e6fd 100644 --- a/drivers/isdn/capi/capi.c +++ b/drivers/isdn/capi/capi.c @@ -1547,7 +1547,8 @@ static int __init capi_init(void) return PTR_ERR(capi_class); } - device_create(capi_class, NULL, MKDEV(capi_major, 0), "capi"); + device_create_drvdata(capi_class, NULL, MKDEV(capi_major, 0), NULL, + "capi"); #ifdef CONFIG_ISDN_CAPI_MIDDLEWARE if (capinc_tty_init() < 0) { diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c index dbaad39020a1..85a78672e952 100644 --- a/drivers/macintosh/adb.c +++ b/drivers/macintosh/adb.c @@ -855,7 +855,8 @@ adbdev_init(void) adb_dev_class = class_create(THIS_MODULE, "adb"); if (IS_ERR(adb_dev_class)) return; - device_create(adb_dev_class, NULL, MKDEV(ADB_MAJOR, 0), "adb"); + device_create_drvdata(adb_dev_class, NULL, MKDEV(ADB_MAJOR, 0), NULL, + "adb"); platform_device_register(&adb_pfdev); platform_driver_probe(&adb_pfdrv, adb_dummy_probe); diff --git a/drivers/mca/mca-bus.c b/drivers/mca/mca-bus.c index 67b8e9453b19..ef2dbfe74714 100644 --- a/drivers/mca/mca-bus.c +++ b/drivers/mca/mca-bus.c @@ -40,7 +40,7 @@ static struct mca_bus *mca_root_busses[MAX_MCA_BUSSES]; struct mca_device_info { short pos_id; /* the 2 byte pos id for this card */ - char name[DEVICE_NAME_SIZE]; + char name[50]; }; static int mca_bus_match (struct device *dev, struct device_driver *drv) diff --git a/drivers/media/common/tuners/tuner-xc2028.c b/drivers/media/common/tuners/tuner-xc2028.c index 0cbde17bfbb7..30eb07b7f9ef 100644 --- a/drivers/media/common/tuners/tuner-xc2028.c +++ b/drivers/media/common/tuners/tuner-xc2028.c @@ -254,7 +254,7 @@ static int load_all_firmwares(struct dvb_frontend *fe) { struct xc2028_data *priv = fe->tuner_priv; const struct firmware *fw = NULL; - unsigned char *p, *endp; + const unsigned char *p, *endp; int rc = 0; int n, n_array; char name[33]; diff --git a/drivers/media/common/tuners/xc5000.c b/drivers/media/common/tuners/xc5000.c index ceae6db901ec..d21a5a750ce2 100644 --- a/drivers/media/common/tuners/xc5000.c +++ b/drivers/media/common/tuners/xc5000.c @@ -277,7 +277,7 @@ static int xc_read_reg(struct xc5000_priv *priv, u16 regAddr, u16 *i2cData) return result; } -static int xc_load_i2c_sequence(struct dvb_frontend *fe, u8 i2c_sequence[]) +static int xc_load_i2c_sequence(struct dvb_frontend *fe, const u8 *i2c_sequence) { struct xc5000_priv *priv = fe->tuner_priv; diff --git a/drivers/media/dvb/dvb-core/dvbdev.c b/drivers/media/dvb/dvb-core/dvbdev.c index 8b56d929f7fd..10f1b3a02b6b 100644 --- a/drivers/media/dvb/dvb-core/dvbdev.c +++ b/drivers/media/dvb/dvb-core/dvbdev.c @@ -229,9 +229,9 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, mutex_unlock(&dvbdev_register_lock); - clsdev = device_create(dvb_class, adap->device, + clsdev = device_create_drvdata(dvb_class, adap->device, MKDEV(DVB_MAJOR, nums2minor(adap->num, type, id)), - "dvb%d.%s%d", adap->num, dnames[type], id); + NULL, "dvb%d.%s%d", adap->num, dnames[type], id); if (IS_ERR(clsdev)) { printk(KERN_ERR "%s: failed to create device dvb%d.%s%d (%ld)\n", __func__, adap->num, dnames[type], id, PTR_ERR(clsdev)); diff --git a/drivers/media/dvb/dvb-usb/cxusb.c b/drivers/media/dvb/dvb-usb/cxusb.c index 720fcd1c3c1d..0286156704f2 100644 --- a/drivers/media/dvb/dvb-usb/cxusb.c +++ b/drivers/media/dvb/dvb-usb/cxusb.c @@ -24,6 +24,7 @@ * see Documentation/dvb/README.dvb-usb for more information */ #include <media/tuner.h> +#include <linux/vmalloc.h> #include "cxusb.h" @@ -700,12 +701,26 @@ static int bluebird_patch_dvico_firmware_download(struct usb_device *udev, if (fw->data[idoff] == (USB_VID_DVICO & 0xff) && fw->data[idoff + 1] == USB_VID_DVICO >> 8) { - fw->data[idoff + 2] = + struct firmware new_fw; + u8 *new_fw_data = vmalloc(fw->size); + int ret; + + if (!new_fw_data) + return -ENOMEM; + + memcpy(new_fw_data, fw->data, fw->size); + new_fw.size = fw->size; + new_fw.data = new_fw_data; + + new_fw_data[idoff + 2] = le16_to_cpu(udev->descriptor.idProduct) + 1; - fw->data[idoff + 3] = + new_fw_data[idoff + 3] = le16_to_cpu(udev->descriptor.idProduct) >> 8; - return usb_cypress_load_firmware(udev, fw, CYPRESS_FX2); + ret = usb_cypress_load_firmware(udev, &new_fw, + CYPRESS_FX2); + vfree(new_fw_data); + return ret; } } diff --git a/drivers/media/dvb/dvb-usb/gp8psk.c b/drivers/media/dvb/dvb-usb/gp8psk.c index 2653120673b7..d965a923f391 100644 --- a/drivers/media/dvb/dvb-usb/gp8psk.c +++ b/drivers/media/dvb/dvb-usb/gp8psk.c @@ -86,7 +86,8 @@ static int gp8psk_load_bcm4500fw(struct dvb_usb_device *d) { int ret; const struct firmware *fw = NULL; - u8 *ptr, *buf; + const u8 *ptr; + u8 *buf; if ((ret = request_firmware(&fw, bcm4500_firmware, &d->udev->dev)) != 0) { err("did not find the bcm4500 firmware file. (%s) " diff --git a/drivers/media/dvb/frontends/bcm3510.c b/drivers/media/dvb/frontends/bcm3510.c index d268e65e777d..cf5e576dfdcf 100644 --- a/drivers/media/dvb/frontends/bcm3510.c +++ b/drivers/media/dvb/frontends/bcm3510.c @@ -590,7 +590,8 @@ static void bcm3510_release(struct dvb_frontend* fe) */ #define BCM3510_DEFAULT_FIRMWARE "dvb-fe-bcm3510-01.fw" -static int bcm3510_write_ram(struct bcm3510_state *st, u16 addr, u8 *b, u16 len) +static int bcm3510_write_ram(struct bcm3510_state *st, u16 addr, const u8 *b, + u16 len) { int ret = 0,i; bcm3510_register_value vH, vL,vD; @@ -614,7 +615,7 @@ static int bcm3510_download_firmware(struct dvb_frontend* fe) struct bcm3510_state* st = fe->demodulator_priv; const struct firmware *fw; u16 addr,len; - u8 *b; + const u8 *b; int ret,i; deb_info("requesting firmware\n"); diff --git a/drivers/media/dvb/frontends/nxt200x.c b/drivers/media/dvb/frontends/nxt200x.c index 23d022852543..af298358e822 100644 --- a/drivers/media/dvb/frontends/nxt200x.c +++ b/drivers/media/dvb/frontends/nxt200x.c @@ -93,7 +93,8 @@ static u8 i2c_readbytes (struct nxt200x_state* state, u8 addr, u8* buf, u8 len) return 0; } -static int nxt200x_writebytes (struct nxt200x_state* state, u8 reg, u8 *buf, u8 len) +static int nxt200x_writebytes (struct nxt200x_state* state, u8 reg, + const u8 *buf, u8 len) { u8 buf2 [len+1]; int err; diff --git a/drivers/media/dvb/frontends/or51211.c b/drivers/media/dvb/frontends/or51211.c index 7eaa4765593f..6afe12aaca4e 100644 --- a/drivers/media/dvb/frontends/or51211.c +++ b/drivers/media/dvb/frontends/or51211.c @@ -69,7 +69,7 @@ struct or51211_state { u32 current_frequency; }; -static int i2c_writebytes (struct or51211_state* state, u8 reg, u8 *buf, +static int i2c_writebytes (struct or51211_state* state, u8 reg, const u8 *buf, int len) { int err; @@ -77,7 +77,7 @@ static int i2c_writebytes (struct or51211_state* state, u8 reg, u8 *buf, msg.addr = reg; msg.flags = 0; msg.len = len; - msg.buf = buf; + msg.buf = (u8 *)buf; if ((err = i2c_transfer (state->i2c, &msg, 1)) != 1) { printk(KERN_WARNING "or51211: i2c_writebytes error " diff --git a/drivers/media/dvb/frontends/sp8870.c b/drivers/media/dvb/frontends/sp8870.c index aa78aa14aad9..1c9a9b4051b9 100644 --- a/drivers/media/dvb/frontends/sp8870.c +++ b/drivers/media/dvb/frontends/sp8870.c @@ -98,7 +98,7 @@ static int sp8870_readreg (struct sp8870_state* state, u16 reg) static int sp8870_firmware_upload (struct sp8870_state* state, const struct firmware *fw) { struct i2c_msg msg; - char *fw_buf = fw->data; + const char *fw_buf = fw->data; int fw_pos; u8 tx_buf[255]; int tx_len; diff --git a/drivers/media/dvb/frontends/sp887x.c b/drivers/media/dvb/frontends/sp887x.c index 49f55877f513..4543609e1816 100644 --- a/drivers/media/dvb/frontends/sp887x.c +++ b/drivers/media/dvb/frontends/sp887x.c @@ -140,7 +140,7 @@ static int sp887x_initial_setup (struct dvb_frontend* fe, const struct firmware u8 buf [BLOCKSIZE+2]; int i; int fw_size = fw->size; - unsigned char *mem = fw->data; + const unsigned char *mem = fw->data; dprintk("%s\n", __func__); diff --git a/drivers/media/dvb/frontends/tda10048.c b/drivers/media/dvb/frontends/tda10048.c index 090fb7dd93c6..0ab8d86b3ae3 100644 --- a/drivers/media/dvb/frontends/tda10048.c +++ b/drivers/media/dvb/frontends/tda10048.c @@ -233,7 +233,7 @@ static u8 tda10048_readreg(struct tda10048_state *state, u8 reg) } static int tda10048_writeregbulk(struct tda10048_state *state, u8 reg, - u8 *data, u16 len) + const u8 *data, u16 len) { int ret = -EREMOTEIO; struct i2c_msg msg; diff --git a/drivers/media/dvb/frontends/tda1004x.c b/drivers/media/dvb/frontends/tda1004x.c index 49973846373e..ff6b42781a5d 100644 --- a/drivers/media/dvb/frontends/tda1004x.c +++ b/drivers/media/dvb/frontends/tda1004x.c @@ -317,7 +317,7 @@ static int tda10046h_set_bandwidth(struct tda1004x_state *state, } static int tda1004x_do_upload(struct tda1004x_state *state, - unsigned char *mem, unsigned int len, + const unsigned char *mem, unsigned int len, u8 dspCodeCounterReg, u8 dspCodeInReg) { u8 buf[65]; diff --git a/drivers/media/dvb/ttusb-dec/ttusb_dec.c b/drivers/media/dvb/ttusb-dec/ttusb_dec.c index fefdc05e84ac..de5829b863fd 100644 --- a/drivers/media/dvb/ttusb-dec/ttusb_dec.c +++ b/drivers/media/dvb/ttusb-dec/ttusb_dec.c @@ -1275,7 +1275,7 @@ static int ttusb_dec_boot_dsp(struct ttusb_dec *dec) u8 b1[] = { 0x61 }; u8 *b; char idstring[21]; - u8 *firmware = NULL; + const u8 *firmware = NULL; size_t firmware_size = 0; u16 firmware_csum = 0; __be16 firmware_csum_ns; diff --git a/drivers/media/video/bt8xx/bttv-cards.c b/drivers/media/video/bt8xx/bttv-cards.c index 8ef0424c26c4..1c56ae92ce74 100644 --- a/drivers/media/video/bt8xx/bttv-cards.c +++ b/drivers/media/video/bt8xx/bttv-cards.c @@ -3768,7 +3768,8 @@ static int terratec_active_radio_upgrade(struct bttv *btv) #define BTTV_ALT_DCLK 0x100000 #define BTTV_ALT_NCONFIG 0x800000 -static int __devinit pvr_altera_load(struct bttv *btv, u8 *micro, u32 microlen) +static int __devinit pvr_altera_load(struct bttv *btv, const u8 *micro, + u32 microlen) { u32 n; u8 bits; diff --git a/drivers/media/video/cx25840/cx25840-firmware.c b/drivers/media/video/cx25840/cx25840-firmware.c index 620d295947ab..8d489a4b9570 100644 --- a/drivers/media/video/cx25840/cx25840-firmware.c +++ b/drivers/media/video/cx25840/cx25840-firmware.c @@ -79,7 +79,7 @@ static int check_fw_load(struct i2c_client *client, int size) return 0; } -static int fw_write(struct i2c_client *client, u8 *data, int size) +static int fw_write(struct i2c_client *client, const u8 *data, int size) { if (i2c_master_send(client, data, size) < size) { v4l_err(client, "firmware load i2c failure\n"); @@ -93,7 +93,8 @@ int cx25840_loadfw(struct i2c_client *client) { struct cx25840_state *state = i2c_get_clientdata(client); const struct firmware *fw = NULL; - u8 buffer[4], *ptr; + u8 buffer[FWSEND]; + const u8 *ptr; int size, retval; if (state->is_cx23885) @@ -108,29 +109,23 @@ int cx25840_loadfw(struct i2c_client *client) buffer[0] = 0x08; buffer[1] = 0x02; - buffer[2] = fw->data[0]; - buffer[3] = fw->data[1]; - retval = fw_write(client, buffer, 4); - if (retval < 0) { - release_firmware(fw); - return retval; - } - - size = fw->size - 2; + size = fw->size; ptr = fw->data; while (size > 0) { - ptr[0] = 0x08; - ptr[1] = 0x02; - retval = fw_write(client, ptr, min(FWSEND, size + 2)); + int len = min(FWSEND - 2, size); + + memcpy(buffer + 2, ptr, len); + + retval = fw_write(client, buffer, len + 2); if (retval < 0) { release_firmware(fw); return retval; } - size -= FWSEND - 2; - ptr += FWSEND - 2; + size -= len; + ptr += len; } end_fw_load(client); diff --git a/drivers/memstick/host/jmb38x_ms.c b/drivers/memstick/host/jmb38x_ms.c index a054668eda16..4e3bfbcdf155 100644 --- a/drivers/memstick/host/jmb38x_ms.c +++ b/drivers/memstick/host/jmb38x_ms.c @@ -51,7 +51,7 @@ struct jmb38x_ms_host { void __iomem *addr; spinlock_t lock; int id; - char host_id[DEVICE_ID_SIZE]; + char host_id[32]; int irq; unsigned int block_pos; unsigned long timeout_jiffies; @@ -781,7 +781,7 @@ static struct memstick_host *jmb38x_ms_alloc_host(struct jmb38x_ms *jm, int cnt) spin_lock_init(&host->lock); host->id = cnt; - snprintf(host->host_id, DEVICE_ID_SIZE, DRIVER_NAME ":slot%d", + snprintf(host->host_id, sizeof(host->host_id), DRIVER_NAME ":slot%d", host->id); host->irq = jm->pdev->irq; host->timeout_jiffies = msecs_to_jiffies(1000); diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h index a8f617447d22..e92b01746bf7 100644 --- a/drivers/message/fusion/mptbase.h +++ b/drivers/message/fusion/mptbase.h @@ -705,7 +705,7 @@ typedef struct _MPT_ADAPTER u8 fc_link_speed[2]; spinlock_t fc_rescan_work_lock; struct work_struct fc_rescan_work; - char fc_rescan_work_q_name[KOBJ_NAME_LEN]; + char fc_rescan_work_q_name[20]; struct workqueue_struct *fc_rescan_work_q; struct scsi_cmnd **ScsiLookup; spinlock_t scsi_lookup_lock; diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c index 1e24ab4ac38c..86c052869327 100644 --- a/drivers/message/fusion/mptfc.c +++ b/drivers/message/fusion/mptfc.c @@ -1326,8 +1326,8 @@ mptfc_probe(struct pci_dev *pdev, const struct pci_device_id *id) /* initialize workqueue */ - snprintf(ioc->fc_rescan_work_q_name, KOBJ_NAME_LEN, "mptfc_wq_%d", - sh->host_no); + snprintf(ioc->fc_rescan_work_q_name, sizeof(ioc->fc_rescan_work_q_name), + "mptfc_wq_%d", sh->host_no); ioc->fc_rescan_work_q = create_singlethread_workqueue(ioc->fc_rescan_work_q_name); if (!ioc->fc_rescan_work_q) diff --git a/drivers/misc/phantom.c b/drivers/misc/phantom.c index 71d1c84e2fa8..024e8a989709 100644 --- a/drivers/misc/phantom.c +++ b/drivers/misc/phantom.c @@ -394,8 +394,9 @@ static int __devinit phantom_probe(struct pci_dev *pdev, goto err_irq; } - if (IS_ERR(device_create(phantom_class, &pdev->dev, MKDEV(phantom_major, - minor), "phantom%u", minor))) + if (IS_ERR(device_create_drvdata(phantom_class, &pdev->dev, + MKDEV(phantom_major, minor), + NULL, "phantom%u", minor))) dev_err(&pdev->dev, "can't create device\n"); pci_set_drvdata(pdev, pht); diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index 5d3ac512ce16..8026bb0fde55 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -27,10 +27,13 @@ static void mtd_notify_add(struct mtd_info* mtd) if (!mtd) return; - device_create(mtd_class, NULL, MKDEV(MTD_CHAR_MAJOR, mtd->index*2), "mtd%d", mtd->index); + device_create_drvdata(mtd_class, NULL, + MKDEV(MTD_CHAR_MAJOR, mtd->index*2), + NULL, "mtd%d", mtd->index); - device_create(mtd_class, NULL, - MKDEV(MTD_CHAR_MAJOR, mtd->index*2+1), "mtd%dro", mtd->index); + device_create_drvdata(mtd_class, NULL, + MKDEV(MTD_CHAR_MAJOR, mtd->index*2+1), + NULL, "mtd%dro", mtd->index); } static void mtd_notify_remove(struct mtd_info* mtd) diff --git a/drivers/net/arm/at91_ether.c b/drivers/net/arm/at91_ether.c index 1e39e78f1778..71f7cec30911 100644 --- a/drivers/net/arm/at91_ether.c +++ b/drivers/net/arm/at91_ether.c @@ -677,7 +677,7 @@ static void at91ether_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo { strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); strlcpy(info->version, DRV_VERSION, sizeof(info->version)); - strlcpy(info->bus_info, dev->dev.parent->bus_id, sizeof(info->bus_info)); + strlcpy(info->bus_info, dev_name(dev->dev.parent), sizeof(info->bus_info)); } static const struct ethtool_ops at91ether_ethtool_ops = { diff --git a/drivers/net/arm/ep93xx_eth.c b/drivers/net/arm/ep93xx_eth.c index ecd8fc6146e9..7a14980f3472 100644 --- a/drivers/net/arm/ep93xx_eth.c +++ b/drivers/net/arm/ep93xx_eth.c @@ -848,7 +848,7 @@ static int ep93xx_eth_probe(struct platform_device *pdev) ep->res = request_mem_region(pdev->resource[0].start, pdev->resource[0].end - pdev->resource[0].start + 1, - pdev->dev.bus_id); + dev_name(&pdev->dev)); if (ep->res == NULL) { dev_err(&pdev->dev, "Could not reserve memory region\n"); err = -ENOMEM; diff --git a/drivers/net/arm/etherh.c b/drivers/net/arm/etherh.c index 00081d2b9cd5..f6e6d505227c 100644 --- a/drivers/net/arm/etherh.c +++ b/drivers/net/arm/etherh.c @@ -535,7 +535,7 @@ static int __init etherh_addr(char *addr, struct expansion_card *ec) if (!ecard_readchunk(&cd, ec, 0xf5, 0)) { printk(KERN_ERR "%s: unable to read podule description string\n", - ec->dev.bus_id); + dev_name(&ec->dev)); goto no_addr; } @@ -554,7 +554,7 @@ static int __init etherh_addr(char *addr, struct expansion_card *ec) } printk(KERN_ERR "%s: unable to parse MAC address: %s\n", - ec->dev.bus_id, cd.d.string); + dev_name(&ec->dev), cd.d.string); no_addr: return -ENODEV; @@ -585,7 +585,7 @@ static void etherh_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *i { strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); strlcpy(info->version, DRV_VERSION, sizeof(info->version)); - strlcpy(info->bus_info, dev->dev.parent->bus_id, + strlcpy(info->bus_info, dev_name(dev->dev.parent), sizeof(info->bus_info)); } diff --git a/drivers/net/cxgb3/common.h b/drivers/net/cxgb3/common.h index 579bee42a5cb..8e8ebd788537 100644 --- a/drivers/net/cxgb3/common.h +++ b/drivers/net/cxgb3/common.h @@ -686,8 +686,9 @@ int t3_seeprom_write(struct adapter *adapter, u32 addr, __le32 data); int t3_seeprom_wp(struct adapter *adapter, int enable); int t3_get_tp_version(struct adapter *adapter, u32 *vers); int t3_check_tpsram_version(struct adapter *adapter, int *must_load); -int t3_check_tpsram(struct adapter *adapter, u8 *tp_ram, unsigned int size); -int t3_set_proto_sram(struct adapter *adap, u8 *data); +int t3_check_tpsram(struct adapter *adapter, const u8 *tp_ram, + unsigned int size); +int t3_set_proto_sram(struct adapter *adap, const u8 *data); int t3_read_flash(struct adapter *adapter, unsigned int addr, unsigned int nwords, u32 *data, int byte_oriented); int t3_load_fw(struct adapter *adapter, const u8 * fw_data, unsigned int size); diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c index d405a932c73a..47d51788a462 100644 --- a/drivers/net/cxgb3/t3_hw.c +++ b/drivers/net/cxgb3/t3_hw.c @@ -923,7 +923,8 @@ int t3_check_tpsram_version(struct adapter *adapter, int *must_load) * Checks if an adapter's tp sram is compatible with the driver. * Returns 0 if the versions are compatible, a negative error otherwise. */ -int t3_check_tpsram(struct adapter *adapter, u8 *tp_sram, unsigned int size) +int t3_check_tpsram(struct adapter *adapter, const u8 *tp_sram, + unsigned int size) { u32 csum; unsigned int i; @@ -2875,10 +2876,10 @@ static void ulp_config(struct adapter *adap, const struct tp_params *p) * * Write the contents of the protocol SRAM. */ -int t3_set_proto_sram(struct adapter *adap, u8 *data) +int t3_set_proto_sram(struct adapter *adap, const u8 *data) { int i; - __be32 *buf = (__be32 *)data; + const __be32 *buf = (const __be32 *)data; for (i = 0; i < PROTO_SRAM_LINES; i++) { t3_write_reg(adap, A_TP_EMBED_OP_FIELD5, be32_to_cpu(*buf++)); diff --git a/drivers/net/irda/irda-usb.c b/drivers/net/irda/irda-usb.c index 6f50ed7b183f..18b471cd1447 100644 --- a/drivers/net/irda/irda-usb.c +++ b/drivers/net/irda/irda-usb.c @@ -1024,7 +1024,7 @@ static int irda_usb_is_receiving(struct irda_usb_cb *self) * Upload firmware code to SigmaTel 421X IRDA-USB dongle */ static int stir421x_fw_upload(struct irda_usb_cb *self, - unsigned char *patch, + const unsigned char *patch, const unsigned int patch_len) { int ret = -ENOMEM; @@ -1073,11 +1073,11 @@ static int stir421x_fw_upload(struct irda_usb_cb *self, */ static int stir421x_patch_device(struct irda_usb_cb *self) { - unsigned int i; - int ret; - char stir421x_fw_name[11]; - const struct firmware *fw; - unsigned char *fw_version_ptr; /* pointer to version string */ + unsigned int i; + int ret; + char stir421x_fw_name[11]; + const struct firmware *fw; + const unsigned char *fw_version_ptr; /* pointer to version string */ unsigned long fw_version = 0; /* diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c index e0d76c75aea0..823bb6d35334 100644 --- a/drivers/net/myri10ge/myri10ge.c +++ b/drivers/net/myri10ge/myri10ge.c @@ -529,6 +529,7 @@ static int myri10ge_load_hotplug_firmware(struct myri10ge_priv *mgp, u32 * size) unsigned crc, reread_crc; const struct firmware *fw; struct device *dev = &mgp->pdev->dev; + unsigned char *fw_readback; struct mcp_gen_header *hdr; size_t hdr_offset; int status; @@ -571,9 +572,15 @@ static int myri10ge_load_hotplug_firmware(struct myri10ge_priv *mgp, u32 * size) mb(); readb(mgp->sram); } + fw_readback = vmalloc(fw->size); + if (!fw_readback) { + status = -ENOMEM; + goto abort_with_fw; + } /* corruption checking is good for parity recovery and buggy chipset */ - memcpy_fromio(fw->data, mgp->sram + MYRI10GE_FW_OFFSET, fw->size); - reread_crc = crc32(~0, fw->data, fw->size); + memcpy_fromio(fw_readback, mgp->sram + MYRI10GE_FW_OFFSET, fw->size); + reread_crc = crc32(~0, fw_readback, fw->size); + vfree(fw_readback); if (crc != reread_crc) { dev_err(dev, "CRC failed(fw-len=%u), got 0x%x (expect 0x%x)\n", (unsigned)fw->size, reread_crc, crc); diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 16a0e7de5888..e831b7e39234 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -309,11 +309,6 @@ void phy_disconnect(struct phy_device *phydev) } EXPORT_SYMBOL(phy_disconnect); -static int phy_compare_id(struct device *dev, void *data) -{ - return strcmp((char *)data, dev->bus_id) ? 0 : 1; -} - /** * phy_attach - attach a network device to a particular PHY device * @dev: network device to attach @@ -337,8 +332,7 @@ struct phy_device *phy_attach(struct net_device *dev, /* Search the list of PHY devices on the mdio bus for the * PHY with the requested name */ - d = bus_find_device(bus, NULL, (void *)bus_id, phy_compare_id); - + d = bus_find_device_by_name(bus, NULL, bus_id); if (d) { phydev = to_phy_device(d); } else { diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c index 1f4ca2b54a73..d77493564188 100644 --- a/drivers/net/ppp_generic.c +++ b/drivers/net/ppp_generic.c @@ -856,7 +856,8 @@ static int __init ppp_init(void) err = PTR_ERR(ppp_class); goto out_chrdev; } - device_create(ppp_class, NULL, MKDEV(PPP_MAJOR, 0), "ppp"); + device_create_drvdata(ppp_class, NULL, MKDEV(PPP_MAJOR, 0), + NULL, "ppp"); } out: diff --git a/drivers/net/wan/cosa.c b/drivers/net/wan/cosa.c index b0fce1387eaf..bbf168031411 100644 --- a/drivers/net/wan/cosa.c +++ b/drivers/net/wan/cosa.c @@ -396,9 +396,9 @@ static int __init cosa_init(void) err = PTR_ERR(cosa_class); goto out_chrdev; } - for (i=0; i<nr_cards; i++) { - device_create(cosa_class, NULL, MKDEV(cosa_major, i), "cosa%d", i); - } + for (i = 0; i < nr_cards; i++) + device_create_drvdata(cosa_class, NULL, MKDEV(cosa_major, i), + NULL, "cosa%d", i); err = 0; goto out; diff --git a/drivers/net/wireless/atmel.c b/drivers/net/wireless/atmel.c index 438e63ecccf1..d1acef7e0b14 100644 --- a/drivers/net/wireless/atmel.c +++ b/drivers/net/wireless/atmel.c @@ -560,7 +560,7 @@ static const struct { static void build_wpa_mib(struct atmel_private *priv); static int atmel_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); static void atmel_copy_to_card(struct net_device *dev, u16 dest, - unsigned char *src, u16 len); + const unsigned char *src, u16 len); static void atmel_copy_to_host(struct net_device *dev, unsigned char *dest, u16 src, u16 len); static void atmel_set_gcr(struct net_device *dev, u16 mask); @@ -3853,7 +3853,7 @@ static int reset_atmel_card(struct net_device *dev) if (priv->card_type == CARD_TYPE_EEPROM) { /* copy in firmware if needed */ const struct firmware *fw_entry = NULL; - unsigned char *fw; + const unsigned char *fw; int len = priv->firmware_length; if (!(fw = priv->firmware)) { if (priv->firmware_type == ATMEL_FW_TYPE_NONE) { @@ -4120,7 +4120,7 @@ static void atmel_writeAR(struct net_device *dev, u16 data) } static void atmel_copy_to_card(struct net_device *dev, u16 dest, - unsigned char *src, u16 len) + const unsigned char *src, u16 len) { int i; atmel_writeAR(dev, dest); diff --git a/drivers/net/wireless/libertas/if_cs.c b/drivers/net/wireless/libertas/if_cs.c index 54280e292ea5..d075b448da94 100644 --- a/drivers/net/wireless/libertas/if_cs.c +++ b/drivers/net/wireless/libertas/if_cs.c @@ -122,7 +122,7 @@ static inline void if_cs_write16(struct if_cs_card *card, uint reg, u16 val) static inline void if_cs_write16_rep( struct if_cs_card *card, uint reg, - void *buf, + const void *buf, unsigned long count) { if (debug_output) diff --git a/drivers/net/wireless/libertas/if_sdio.c b/drivers/net/wireless/libertas/if_sdio.c index 51f664bbee9d..3dd537be87d8 100644 --- a/drivers/net/wireless/libertas/if_sdio.c +++ b/drivers/net/wireless/libertas/if_sdio.c @@ -392,7 +392,7 @@ static int if_sdio_prog_helper(struct if_sdio_card *card) unsigned long timeout; u8 *chunk_buffer; u32 chunk_size; - u8 *firmware; + const u8 *firmware; size_t size; lbs_deb_enter(LBS_DEB_SDIO); @@ -508,7 +508,7 @@ static int if_sdio_prog_real(struct if_sdio_card *card) unsigned long timeout; u8 *chunk_buffer; u32 chunk_size; - u8 *firmware; + const u8 *firmware; size_t size, req_size; lbs_deb_enter(LBS_DEB_SDIO); diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c index 8032df72aaab..a25b670e8339 100644 --- a/drivers/net/wireless/libertas/if_usb.c +++ b/drivers/net/wireless/libertas/if_usb.c @@ -293,7 +293,7 @@ static void if_usb_disconnect(struct usb_interface *intf) static int if_usb_send_fw_pkt(struct if_usb_card *cardp) { struct fwdata *fwdata = cardp->ep_out_buf; - uint8_t *firmware = cardp->fw->data; + const uint8_t *firmware = cardp->fw->data; /* If we got a CRC failure on the last block, back up and retry it */ @@ -746,7 +746,7 @@ static int if_usb_issue_boot_command(struct if_usb_card *cardp, int ivalue) * len image length * @return 0 or -1 */ -static int check_fwfile_format(uint8_t *data, uint32_t totlen) +static int check_fwfile_format(const uint8_t *data, uint32_t totlen) { uint32_t bincmd, exit; uint32_t blksize, offset, len; diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb.c index 1610a7308c1d..815c095ef797 100644 --- a/drivers/net/wireless/p54/p54usb.c +++ b/drivers/net/wireless/p54/p54usb.c @@ -376,7 +376,8 @@ static int p54u_upload_firmware_3887(struct ieee80211_hw *dev) const struct firmware *fw_entry = NULL; int err, alen; u8 carry = 0; - u8 *buf, *tmp, *data; + u8 *buf, *tmp; + const u8 *data; unsigned int left, remains, block_size; struct x2_header *hdr; unsigned long timeout; @@ -523,7 +524,7 @@ static int p54u_upload_firmware_net2280(struct ieee80211_hw *dev) void *buf; __le32 reg; unsigned int remains, offset; - u8 *data; + const u8 *data; buf = kmalloc(512, GFP_KERNEL); if (!buf) { diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index 611d98320593..20dea777ee45 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -511,8 +511,8 @@ struct rt2x00lib_ops { */ int (*probe_hw) (struct rt2x00_dev *rt2x00dev); char *(*get_firmware_name) (struct rt2x00_dev *rt2x00dev); - u16 (*get_firmware_crc) (void *data, const size_t len); - int (*load_firmware) (struct rt2x00_dev *rt2x00dev, void *data, + u16 (*get_firmware_crc) (const void *data, const size_t len); + int (*load_firmware) (struct rt2x00_dev *rt2x00dev, const void *data, const size_t len); /* diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.h b/drivers/net/wireless/rt2x00/rt2x00pci.h index 9d1cdb99431c..b41967ecbf6d 100644 --- a/drivers/net/wireless/rt2x00/rt2x00pci.h +++ b/drivers/net/wireless/rt2x00/rt2x00pci.h @@ -82,7 +82,7 @@ static inline void rt2x00pci_register_write(struct rt2x00_dev *rt2x00dev, static inline void rt2x00pci_register_multiwrite(struct rt2x00_dev *rt2x00dev, const unsigned long offset, - void *value, const u16 length) + const void *value, const u16 length) { memcpy_toio(rt2x00dev->csr.base + offset, value, length); } diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c index 14bc7b281659..bb78de5290cd 100644 --- a/drivers/net/wireless/rt2x00/rt61pci.c +++ b/drivers/net/wireless/rt2x00/rt61pci.c @@ -915,7 +915,7 @@ static char *rt61pci_get_firmware_name(struct rt2x00_dev *rt2x00dev) return fw_name; } -static u16 rt61pci_get_firmware_crc(void *data, const size_t len) +static u16 rt61pci_get_firmware_crc(const void *data, const size_t len) { u16 crc; @@ -932,7 +932,7 @@ static u16 rt61pci_get_firmware_crc(void *data, const size_t len) return crc; } -static int rt61pci_load_firmware(struct rt2x00_dev *rt2x00dev, void *data, +static int rt61pci_load_firmware(struct rt2x00_dev *rt2x00dev, const void *data, const size_t len) { int i; diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index 83cc0147f698..d5a6c21235c8 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -856,7 +856,7 @@ static char *rt73usb_get_firmware_name(struct rt2x00_dev *rt2x00dev) return FIRMWARE_RT2571; } -static u16 rt73usb_get_firmware_crc(void *data, const size_t len) +static u16 rt73usb_get_firmware_crc(const void *data, const size_t len) { u16 crc; @@ -873,13 +873,13 @@ static u16 rt73usb_get_firmware_crc(void *data, const size_t len) return crc; } -static int rt73usb_load_firmware(struct rt2x00_dev *rt2x00dev, void *data, +static int rt73usb_load_firmware(struct rt2x00_dev *rt2x00dev, const void *data, const size_t len) { unsigned int i; int status; u32 reg; - char *ptr = data; + const char *ptr = data; char *cache; int buflen; int timeout; diff --git a/drivers/net/wireless/zd1201.c b/drivers/net/wireless/zd1201.c index d5c0c66188ca..78baa0f7926d 100644 --- a/drivers/net/wireless/zd1201.c +++ b/drivers/net/wireless/zd1201.c @@ -49,7 +49,7 @@ MODULE_DEVICE_TABLE(usb, zd1201_table); static int zd1201_fw_upload(struct usb_device *dev, int apfw) { const struct firmware *fw_entry; - char *data; + const char *data; unsigned long len; int err; unsigned char ret; diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h index 7a29164d4b32..10b3b9c567cb 100644 --- a/drivers/pci/hotplug/acpiphp.h +++ b/drivers/pci/hotplug/acpiphp.h @@ -36,7 +36,7 @@ #define _ACPIPHP_H #include <linux/acpi.h> -#include <linux/kobject.h> /* for KOBJ_NAME_LEN */ +#include <linux/kobject.h> #include <linux/mutex.h> #include <linux/pci_hotplug.h> @@ -51,7 +51,7 @@ #define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME , ## arg) /* name size which is used for entries in pcihpfs */ -#define SLOT_NAME_SIZE KOBJ_NAME_LEN /* {_SUN} */ +#define SLOT_NAME_SIZE 20 /* {_SUN} */ struct acpiphp_bridge; struct acpiphp_slot; diff --git a/drivers/power/apm_power.c b/drivers/power/apm_power.c index a4892275659d..936bae560fa1 100644 --- a/drivers/power/apm_power.c +++ b/drivers/power/apm_power.c @@ -78,7 +78,7 @@ static void find_main_battery(void) main_battery = NULL; bp.main = main_battery; - error = class_for_each_device(power_supply_class, &bp, + error = class_for_each_device(power_supply_class, NULL, &bp, __find_main_battery); if (error) { main_battery = bp.main; diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c index af1633eb3b70..cb1ccb472921 100644 --- a/drivers/power/power_supply_core.c +++ b/drivers/power/power_supply_core.c @@ -41,7 +41,7 @@ static void power_supply_changed_work(struct work_struct *work) dev_dbg(psy->dev, "%s\n", __func__); - class_for_each_device(power_supply_class, psy, + class_for_each_device(power_supply_class, NULL, psy, __power_supply_changed_work); power_supply_update_leds(psy); @@ -79,7 +79,7 @@ int power_supply_am_i_supplied(struct power_supply *psy) { int error; - error = class_for_each_device(power_supply_class, psy, + error = class_for_each_device(power_supply_class, NULL, psy, __power_supply_am_i_supplied); dev_dbg(psy->dev, "%s %d\n", __func__, error); diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index 7e3ad4f3b343..75676b432d7b 100644 --- a/drivers/rtc/interface.c +++ b/drivers/rtc/interface.c @@ -265,7 +265,7 @@ struct rtc_device *rtc_class_open(char *name) struct device *dev; struct rtc_device *rtc = NULL; - dev = class_find_device(rtc_class, name, __rtc_match); + dev = class_find_device(rtc_class, NULL, name, __rtc_match); if (dev) rtc = to_rtc_device(dev); diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 1a4025683362..d88b4c72cd6b 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -215,7 +215,7 @@ static int dasd_state_known_to_basic(struct dasd_device *device) return rc; } /* register 'device' debug area, used for all DBF_DEV_XXX calls */ - device->debug_area = debug_register(device->cdev->dev.bus_id, 1, 1, + device->debug_area = debug_register(dev_name(&device->cdev->dev), 1, 1, 8 * sizeof(long)); debug_register_view(device->debug_area, &debug_sprintf_view); debug_set_level(device->debug_area, DBF_WARNING); @@ -933,7 +933,7 @@ static void dasd_handle_killed_request(struct ccw_device *cdev, MESSAGE(KERN_DEBUG, "invalid status in handle_killed_request: " "bus_id %s, status %02x", - cdev->dev.bus_id, cqr->status); + dev_name(&cdev->dev), cqr->status); return; } @@ -942,7 +942,7 @@ static void dasd_handle_killed_request(struct ccw_device *cdev, device != dasd_device_from_cdev_locked(cdev) || strncmp(device->discipline->ebcname, (char *) &cqr->magic, 4)) { MESSAGE(KERN_DEBUG, "invalid device in request: bus_id %s", - cdev->dev.bus_id); + dev_name(&cdev->dev)); return; } @@ -982,11 +982,11 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm, break; case -ETIMEDOUT: printk(KERN_WARNING"%s(%s): request timed out\n", - __func__, cdev->dev.bus_id); + __func__, dev_name(&cdev->dev)); break; default: printk(KERN_WARNING"%s(%s): unknown error %ld\n", - __func__, cdev->dev.bus_id, PTR_ERR(irb)); + __func__, dev_name(&cdev->dev), PTR_ERR(irb)); } dasd_handle_killed_request(cdev, intparm); return; @@ -995,7 +995,7 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm, now = get_clock(); DBF_EVENT(DBF_ERR, "Interrupt: bus_id %s CS/DS %04x ip %08x", - cdev->dev.bus_id, ((irb->scsw.cstat<<8)|irb->scsw.dstat), + dev_name(&cdev->dev), ((irb->scsw.cstat<<8)|irb->scsw.dstat), (unsigned int) intparm); /* check for unsolicited interrupts */ @@ -1019,7 +1019,7 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm, if (!device || strncmp(device->discipline->ebcname, (char *) &cqr->magic, 4)) { MESSAGE(KERN_DEBUG, "invalid device in request: bus_id %s", - cdev->dev.bus_id); + dev_name(&cdev->dev)); return; } @@ -1037,7 +1037,7 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm, if (cqr->status != DASD_CQR_IN_IO) { MESSAGE(KERN_DEBUG, "invalid status: bus_id %s, status %02x", - cdev->dev.bus_id, cqr->status); + dev_name(&cdev->dev), cqr->status); return; } DBF_DEV_EVENT(DBF_DEBUG, device, "Int: CS/DS 0x%04x for cqr %p", @@ -2134,14 +2134,14 @@ int dasd_generic_probe(struct ccw_device *cdev, if (ret) { printk(KERN_WARNING "dasd_generic_probe: could not set ccw-device options " - "for %s\n", cdev->dev.bus_id); + "for %s\n", dev_name(&cdev->dev)); return ret; } ret = dasd_add_sysfs_files(cdev); if (ret) { printk(KERN_WARNING "dasd_generic_probe: could not add sysfs entries " - "for %s\n", cdev->dev.bus_id); + "for %s\n", dev_name(&cdev->dev)); return ret; } cdev->handler = &dasd_int_handler; @@ -2152,13 +2152,13 @@ int dasd_generic_probe(struct ccw_device *cdev, * initial probe. */ if ((dasd_get_feature(cdev, DASD_FEATURE_INITIAL_ONLINE) > 0 ) || - (dasd_autodetect && dasd_busid_known(cdev->dev.bus_id) != 0)) + (dasd_autodetect && dasd_busid_known(dev_name(&cdev->dev)) != 0)) ret = ccw_device_set_online(cdev); if (ret) printk(KERN_WARNING "dasd_generic_probe: could not initially " "online ccw-device %s; return code: %d\n", - cdev->dev.bus_id, ret); + dev_name(&cdev->dev), ret); return 0; } @@ -2224,7 +2224,7 @@ int dasd_generic_set_online(struct ccw_device *cdev, printk (KERN_WARNING "dasd_generic couldn't online device %s " "- discipline DIAG not available\n", - cdev->dev.bus_id); + dev_name(&cdev->dev)); dasd_delete_device(device); return -ENODEV; } @@ -2248,7 +2248,7 @@ int dasd_generic_set_online(struct ccw_device *cdev, printk (KERN_WARNING "dasd_generic couldn't online device %s " "with discipline %s rc=%i\n", - cdev->dev.bus_id, discipline->name, rc); + dev_name(&cdev->dev), discipline->name, rc); module_put(discipline->owner); module_put(base_discipline->owner); dasd_delete_device(device); @@ -2259,7 +2259,7 @@ int dasd_generic_set_online(struct ccw_device *cdev, if (device->state <= DASD_STATE_KNOWN) { printk (KERN_WARNING "dasd_generic discipline not found for %s\n", - cdev->dev.bus_id); + dev_name(&cdev->dev)); rc = -ENODEV; dasd_set_target_state(device, DASD_STATE_NEW); if (device->block) @@ -2267,7 +2267,7 @@ int dasd_generic_set_online(struct ccw_device *cdev, dasd_delete_device(device); } else pr_debug("dasd_generic device %s found\n", - cdev->dev.bus_id); + dev_name(&cdev->dev)); /* FIXME: we have to wait for the root device but we don't want * to wait for each single device but for all at once. */ diff --git a/drivers/s390/block/dasd_3990_erp.c b/drivers/s390/block/dasd_3990_erp.c index e6700df52df4..a2eb0350cbac 100644 --- a/drivers/s390/block/dasd_3990_erp.c +++ b/drivers/s390/block/dasd_3990_erp.c @@ -1397,7 +1397,7 @@ static struct dasd_ccw_req *dasd_3990_erp_inspect_alias( DEV_MESSAGE(KERN_ERR, cqr->startdev, "ERP on alias device for request %p," " recover on base device %s", cqr, - cqr->block->base->cdev->dev.bus_id); + dev_name(&cqr->block->base->cdev->dev)); } dasd_eckd_reset_ccw_to_base_io(cqr); erp->startdev = cqr->block->base; diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c index d774e79476fe..794d1d472beb 100644 --- a/drivers/s390/block/dasd_devmap.c +++ b/drivers/s390/block/dasd_devmap.c @@ -515,9 +515,9 @@ dasd_devmap_from_cdev(struct ccw_device *cdev) { struct dasd_devmap *devmap; - devmap = dasd_find_busid(cdev->dev.bus_id); + devmap = dasd_find_busid(dev_name(&cdev->dev)); if (IS_ERR(devmap)) - devmap = dasd_add_busid(cdev->dev.bus_id, + devmap = dasd_add_busid(dev_name(&cdev->dev), DASD_FEATURE_DEFAULT); return devmap; } @@ -584,7 +584,7 @@ dasd_delete_device(struct dasd_device *device) unsigned long flags; /* First remove device pointer from devmap. */ - devmap = dasd_find_busid(device->cdev->dev.bus_id); + devmap = dasd_find_busid(dev_name(&device->cdev->dev)); BUG_ON(IS_ERR(devmap)); spin_lock(&dasd_devmap_lock); if (devmap->device != device) { @@ -674,7 +674,7 @@ dasd_ro_show(struct device *dev, struct device_attribute *attr, char *buf) struct dasd_devmap *devmap; int ro_flag; - devmap = dasd_find_busid(dev->bus_id); + devmap = dasd_find_busid(dev_name(dev)); if (!IS_ERR(devmap)) ro_flag = (devmap->features & DASD_FEATURE_READONLY) != 0; else @@ -723,7 +723,7 @@ dasd_erplog_show(struct device *dev, struct device_attribute *attr, char *buf) struct dasd_devmap *devmap; int erplog; - devmap = dasd_find_busid(dev->bus_id); + devmap = dasd_find_busid(dev_name(dev)); if (!IS_ERR(devmap)) erplog = (devmap->features & DASD_FEATURE_ERPLOG) != 0; else @@ -770,7 +770,7 @@ dasd_use_diag_show(struct device *dev, struct device_attribute *attr, char *buf) struct dasd_devmap *devmap; int use_diag; - devmap = dasd_find_busid(dev->bus_id); + devmap = dasd_find_busid(dev_name(dev)); if (!IS_ERR(devmap)) use_diag = (devmap->features & DASD_FEATURE_USEDIAG) != 0; else @@ -876,7 +876,7 @@ dasd_alias_show(struct device *dev, struct device_attribute *attr, char *buf) struct dasd_devmap *devmap; int alias; - devmap = dasd_find_busid(dev->bus_id); + devmap = dasd_find_busid(dev_name(dev)); spin_lock(&dasd_devmap_lock); if (IS_ERR(devmap) || strlen(devmap->uid.vendor) == 0) { spin_unlock(&dasd_devmap_lock); @@ -899,7 +899,7 @@ dasd_vendor_show(struct device *dev, struct device_attribute *attr, char *buf) struct dasd_devmap *devmap; char *vendor; - devmap = dasd_find_busid(dev->bus_id); + devmap = dasd_find_busid(dev_name(dev)); spin_lock(&dasd_devmap_lock); if (!IS_ERR(devmap) && strlen(devmap->uid.vendor) > 0) vendor = devmap->uid.vendor; @@ -923,7 +923,7 @@ dasd_uid_show(struct device *dev, struct device_attribute *attr, char *buf) char ua_string[3]; struct dasd_uid *uid; - devmap = dasd_find_busid(dev->bus_id); + devmap = dasd_find_busid(dev_name(dev)); spin_lock(&dasd_devmap_lock); if (IS_ERR(devmap) || strlen(devmap->uid.vendor) == 0) { spin_unlock(&dasd_devmap_lock); @@ -962,7 +962,7 @@ dasd_eer_show(struct device *dev, struct device_attribute *attr, char *buf) struct dasd_devmap *devmap; int eer_flag; - devmap = dasd_find_busid(dev->bus_id); + devmap = dasd_find_busid(dev_name(dev)); if (!IS_ERR(devmap) && devmap->device) eer_flag = dasd_eer_enabled(devmap->device); else @@ -1024,7 +1024,7 @@ dasd_get_uid(struct ccw_device *cdev, struct dasd_uid *uid) { struct dasd_devmap *devmap; - devmap = dasd_find_busid(cdev->dev.bus_id); + devmap = dasd_find_busid(dev_name(&cdev->dev)); if (IS_ERR(devmap)) return PTR_ERR(devmap); spin_lock(&dasd_devmap_lock); @@ -1047,7 +1047,7 @@ dasd_set_uid(struct ccw_device *cdev, struct dasd_uid *uid) { struct dasd_devmap *devmap; - devmap = dasd_find_busid(cdev->dev.bus_id); + devmap = dasd_find_busid(dev_name(&cdev->dev)); if (IS_ERR(devmap)) return PTR_ERR(devmap); @@ -1067,7 +1067,7 @@ dasd_get_feature(struct ccw_device *cdev, int feature) { struct dasd_devmap *devmap; - devmap = dasd_find_busid(cdev->dev.bus_id); + devmap = dasd_find_busid(dev_name(&cdev->dev)); if (IS_ERR(devmap)) return PTR_ERR(devmap); @@ -1083,7 +1083,7 @@ dasd_set_feature(struct ccw_device *cdev, int feature, int flag) { struct dasd_devmap *devmap; - devmap = dasd_find_busid(cdev->dev.bus_id); + devmap = dasd_find_busid(dev_name(&cdev->dev)); if (IS_ERR(devmap)) return PTR_ERR(devmap); diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index a0edae091b5e..b9d525bfb5b9 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -84,7 +84,7 @@ dasd_eckd_probe (struct ccw_device *cdev) if (ret) { printk(KERN_WARNING "dasd_eckd_probe: could not set ccw-device options " - "for %s\n", cdev->dev.bus_id); + "for %s\n", dev_name(&cdev->dev)); return ret; } ret = dasd_generic_probe(cdev, &dasd_eckd_discipline); @@ -2065,13 +2065,13 @@ static void dasd_eckd_dump_sense(struct dasd_device *device, /* dump the sense data */ len = sprintf(page, KERN_ERR PRINTK_HEADER " I/O status report for device %s:\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); len += sprintf(page + len, KERN_ERR PRINTK_HEADER " in req: %p CS: 0x%02X DS: 0x%02X\n", req, irb->scsw.cstat, irb->scsw.dstat); len += sprintf(page + len, KERN_ERR PRINTK_HEADER " device %s: Failing CCW: %p\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), (void *) (addr_t) irb->scsw.cpa); if (irb->esw.esw0.erw.cons) { for (sl = 0; sl < 4; sl++) { diff --git a/drivers/s390/block/dasd_eer.c b/drivers/s390/block/dasd_eer.c index 6e53ab606e97..11b57d12e5a6 100644 --- a/drivers/s390/block/dasd_eer.c +++ b/drivers/s390/block/dasd_eer.c @@ -307,7 +307,7 @@ static void dasd_eer_write_standard_trigger(struct dasd_device *device, do_gettimeofday(&tv); header.tv_sec = tv.tv_sec; header.tv_usec = tv.tv_usec; - strncpy(header.busid, device->cdev->dev.bus_id, DASD_EER_BUSID_SIZE); + strncpy(header.busid, dev_name(&device->cdev->dev), DASD_EER_BUSID_SIZE); spin_lock_irqsave(&bufferlock, flags); list_for_each_entry(eerb, &bufferlist, list) { @@ -347,7 +347,7 @@ static void dasd_eer_write_snss_trigger(struct dasd_device *device, do_gettimeofday(&tv); header.tv_sec = tv.tv_sec; header.tv_usec = tv.tv_usec; - strncpy(header.busid, device->cdev->dev.bus_id, DASD_EER_BUSID_SIZE); + strncpy(header.busid, dev_name(&device->cdev->dev), DASD_EER_BUSID_SIZE); spin_lock_irqsave(&bufferlock, flags); list_for_each_entry(eerb, &bufferlist, list) { diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c index 116611583df8..e6b2cf84b0a7 100644 --- a/drivers/s390/block/dasd_fba.c +++ b/drivers/s390/block/dasd_fba.c @@ -446,13 +446,13 @@ dasd_fba_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req, } len = sprintf(page, KERN_ERR PRINTK_HEADER " I/O status report for device %s:\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); len += sprintf(page + len, KERN_ERR PRINTK_HEADER " in req: %p CS: 0x%02X DS: 0x%02X\n", req, irb->scsw.cstat, irb->scsw.dstat); len += sprintf(page + len, KERN_ERR PRINTK_HEADER " device %s: Failing CCW: %p\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), (void *) (addr_t) irb->scsw.cpa); if (irb->esw.esw0.erw.cons) { for (sl = 0; sl < 4; sl++) { diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h index fb2f931cf844..035d69155d41 100644 --- a/drivers/s390/block/dasd_int.h +++ b/drivers/s390/block/dasd_int.h @@ -126,7 +126,7 @@ do { \ #define DEV_MESSAGE(d_loglevel,d_device,d_string,d_args...)\ do { \ printk(d_loglevel PRINTK_HEADER " %s: " d_string "\n", \ - d_device->cdev->dev.bus_id, d_args); \ + dev_name(&d_device->cdev->dev), d_args); \ DBF_DEV_EVENT(DBF_ALERT, d_device, d_string, d_args); \ } while(0) @@ -140,7 +140,7 @@ do { \ #define DEV_MESSAGE_LOG(d_loglevel,d_device,d_string,d_args...)\ do { \ printk(d_loglevel PRINTK_HEADER " %s: " d_string "\n", \ - d_device->cdev->dev.bus_id, d_args); \ + dev_name(&d_device->cdev->dev), d_args); \ } while(0) #define MESSAGE_LOG(d_loglevel,d_string,d_args...)\ diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c index 03c0e40a92ff..6ea60f3f72c0 100644 --- a/drivers/s390/block/dasd_proc.c +++ b/drivers/s390/block/dasd_proc.c @@ -67,7 +67,7 @@ dasd_devices_show(struct seq_file *m, void *v) return 0; } /* Print device number. */ - seq_printf(m, "%s", device->cdev->dev.bus_id); + seq_printf(m, "%s", dev_name(&device->cdev->dev)); /* Print discipline string. */ if (device != NULL && device->discipline != NULL) seq_printf(m, "(%s)", device->discipline->name); diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index bb52d2fbac18..9cf04ad5ef19 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -91,7 +91,7 @@ static struct rw_semaphore dcssblk_devices_sem; static void dcssblk_release_segment(struct device *dev) { - PRINT_DEBUG("segment release fn called for %s\n", dev->bus_id); + PRINT_DEBUG("segment release fn called for %s\n", dev_name(dev)); kfree(container_of(dev, struct dcssblk_dev_info, dev)); module_put(THIS_MODULE); } @@ -349,7 +349,7 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char } strcpy(dev_info->segment_name, local_buf); - strlcpy(dev_info->dev.bus_id, local_buf, BUS_ID_SIZE); + dev_set_name(&dev_info->dev, local_buf); dev_info->dev.release = dcssblk_release_segment; INIT_LIST_HEAD(&dev_info->lh); @@ -604,7 +604,8 @@ dcssblk_make_request(struct request_queue *q, struct bio *bio) case SEG_TYPE_SC: /* cannot write to these segments */ if (bio_data_dir(bio) == WRITE) { - PRINT_WARN("rejecting write to ro segment %s\n", dev_info->dev.bus_id); + PRINT_WARN("rejecting write to ro segment %s\n", + dev_name(&dev_info->dev)); goto fail; } } diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c index 848ef7e8523f..4fe672e4417e 100644 --- a/drivers/s390/char/raw3270.c +++ b/drivers/s390/char/raw3270.c @@ -1178,17 +1178,19 @@ static int raw3270_create_attributes(struct raw3270 *rp) if (rc) goto out; - rp->clttydev = device_create(class3270, &rp->cdev->dev, - MKDEV(IBM_TTY3270_MAJOR, rp->minor), - "tty%s", rp->cdev->dev.bus_id); + rp->clttydev = device_create_drvdata(class3270, &rp->cdev->dev, + MKDEV(IBM_TTY3270_MAJOR, rp->minor), + NULL, + "tty%s", dev_name(&rp->cdev->dev)); if (IS_ERR(rp->clttydev)) { rc = PTR_ERR(rp->clttydev); goto out_ttydev; } - rp->cltubdev = device_create(class3270, &rp->cdev->dev, - MKDEV(IBM_FS3270_MAJOR, rp->minor), - "tub%s", rp->cdev->dev.bus_id); + rp->cltubdev = device_create_drvdata(class3270, &rp->cdev->dev, + MKDEV(IBM_FS3270_MAJOR, rp->minor), + NULL, + "tub%s", dev_name(&rp->cdev->dev)); if (!IS_ERR(rp->cltubdev)) goto out; diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c index 42ce7915fc5d..38a7372e8424 100644 --- a/drivers/s390/char/tape_3590.c +++ b/drivers/s390/char/tape_3590.c @@ -910,7 +910,7 @@ tape_3590_erp_swap(struct tape_device *device, struct tape_request *request, * should proceed with the new tape... this * should probably be done in user space! */ - PRINT_WARN("(%s): Swap Tape Device!\n", device->cdev->dev.bus_id); + PRINT_WARN("(%s): Swap Tape Device!\n", dev_name(&device->cdev->dev)); return tape_3590_erp_basic(device, request, irb, -EIO); } @@ -1003,40 +1003,40 @@ tape_3590_print_mim_msg_f0(struct tape_device *device, struct irb *irb) /* Exception Message */ switch (sense->fmt.f70.emc) { case 0x02: - PRINT_WARN("(%s): Data degraded\n", device->cdev->dev.bus_id); + PRINT_WARN("(%s): Data degraded\n", dev_name(&device->cdev->dev)); break; case 0x03: PRINT_WARN("(%s): Data degraded in partion %i\n", - device->cdev->dev.bus_id, sense->fmt.f70.mp); + dev_name(&device->cdev->dev), sense->fmt.f70.mp); break; case 0x04: - PRINT_WARN("(%s): Medium degraded\n", device->cdev->dev.bus_id); + PRINT_WARN("(%s): Medium degraded\n", dev_name(&device->cdev->dev)); break; case 0x05: PRINT_WARN("(%s): Medium degraded in partition %i\n", - device->cdev->dev.bus_id, sense->fmt.f70.mp); + dev_name(&device->cdev->dev), sense->fmt.f70.mp); break; case 0x06: - PRINT_WARN("(%s): Block 0 Error\n", device->cdev->dev.bus_id); + PRINT_WARN("(%s): Block 0 Error\n", dev_name(&device->cdev->dev)); break; case 0x07: PRINT_WARN("(%s): Medium Exception 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f70.md); + dev_name(&device->cdev->dev), sense->fmt.f70.md); break; default: PRINT_WARN("(%s): MIM ExMsg: 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f70.emc); + dev_name(&device->cdev->dev), sense->fmt.f70.emc); break; } /* Service Message */ switch (sense->fmt.f70.smc) { case 0x02: PRINT_WARN("(%s): Reference Media maintenance procedure %i\n", - device->cdev->dev.bus_id, sense->fmt.f70.md); + dev_name(&device->cdev->dev), sense->fmt.f70.md); break; default: PRINT_WARN("(%s): MIM ServiceMsg: 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f70.smc); + dev_name(&device->cdev->dev), sense->fmt.f70.smc); break; } } @@ -1054,101 +1054,101 @@ tape_3590_print_io_sim_msg_f1(struct tape_device *device, struct irb *irb) switch (sense->fmt.f71.emc) { case 0x01: PRINT_WARN("(%s): Effect of failure is unknown\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); break; case 0x02: PRINT_WARN("(%s): CU Exception - no performance impact\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); break; case 0x03: PRINT_WARN("(%s): CU Exception on channel interface 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f71.md[0]); + dev_name(&device->cdev->dev), sense->fmt.f71.md[0]); break; case 0x04: PRINT_WARN("(%s): CU Exception on device path 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f71.md[0]); + dev_name(&device->cdev->dev), sense->fmt.f71.md[0]); break; case 0x05: PRINT_WARN("(%s): CU Exception on library path 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f71.md[0]); + dev_name(&device->cdev->dev), sense->fmt.f71.md[0]); break; case 0x06: PRINT_WARN("(%s): CU Exception on node 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f71.md[0]); + dev_name(&device->cdev->dev), sense->fmt.f71.md[0]); break; case 0x07: PRINT_WARN("(%s): CU Exception on partition 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f71.md[0]); + dev_name(&device->cdev->dev), sense->fmt.f71.md[0]); break; default: PRINT_WARN("(%s): SIM ExMsg: 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f71.emc); + dev_name(&device->cdev->dev), sense->fmt.f71.emc); } /* Service Message */ switch (sense->fmt.f71.smc) { case 0x01: PRINT_WARN("(%s): Repair impact is unknown\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); break; case 0x02: PRINT_WARN("(%s): Repair will not impact cu performance\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); break; case 0x03: if (sense->fmt.f71.mdf == 0) PRINT_WARN("(%s): Repair will disable node " "0x%x on CU\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1]); else PRINT_WARN("(%s): Repair will disable nodes " "(0x%x-0x%x) on CU\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1], sense->fmt.f71.md[2]); break; case 0x04: if (sense->fmt.f71.mdf == 0) PRINT_WARN("(%s): Repair will disable cannel path " "0x%x on CU\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1]); else PRINT_WARN("(%s): Repair will disable cannel paths " "(0x%x-0x%x) on CU\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1], sense->fmt.f71.md[2]); break; case 0x05: if (sense->fmt.f71.mdf == 0) PRINT_WARN("(%s): Repair will disable device path " "0x%x on CU\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1]); else PRINT_WARN("(%s): Repair will disable device paths " "(0x%x-0x%x) on CU\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1], sense->fmt.f71.md[2]); break; case 0x06: if (sense->fmt.f71.mdf == 0) PRINT_WARN("(%s): Repair will disable library path " "0x%x on CU\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1]); else PRINT_WARN("(%s): Repair will disable library paths " "(0x%x-0x%x) on CU\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1], sense->fmt.f71.md[2]); break; case 0x07: PRINT_WARN("(%s): Repair will disable access to CU\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); break; default: PRINT_WARN("(%s): SIM ServiceMsg: 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f71.smc); + dev_name(&device->cdev->dev), sense->fmt.f71.smc); } } @@ -1165,104 +1165,104 @@ tape_3590_print_dev_sim_msg_f2(struct tape_device *device, struct irb *irb) switch (sense->fmt.f71.emc) { case 0x01: PRINT_WARN("(%s): Effect of failure is unknown\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); break; case 0x02: PRINT_WARN("(%s): DV Exception - no performance impact\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); break; case 0x03: PRINT_WARN("(%s): DV Exception on channel interface 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f71.md[0]); + dev_name(&device->cdev->dev), sense->fmt.f71.md[0]); break; case 0x04: PRINT_WARN("(%s): DV Exception on loader 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f71.md[0]); + dev_name(&device->cdev->dev), sense->fmt.f71.md[0]); break; case 0x05: PRINT_WARN("(%s): DV Exception on message display 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f71.md[0]); + dev_name(&device->cdev->dev), sense->fmt.f71.md[0]); break; case 0x06: PRINT_WARN("(%s): DV Exception in tape path\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); break; case 0x07: PRINT_WARN("(%s): DV Exception in drive\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); break; default: PRINT_WARN("(%s): DSIM ExMsg: 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f71.emc); + dev_name(&device->cdev->dev), sense->fmt.f71.emc); } /* Service Message */ switch (sense->fmt.f71.smc) { case 0x01: PRINT_WARN("(%s): Repair impact is unknown\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); break; case 0x02: PRINT_WARN("(%s): Repair will not impact device performance\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); break; case 0x03: if (sense->fmt.f71.mdf == 0) PRINT_WARN("(%s): Repair will disable channel path " "0x%x on DV\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1]); else PRINT_WARN("(%s): Repair will disable channel path " "(0x%x-0x%x) on DV\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1], sense->fmt.f71.md[2]); break; case 0x04: if (sense->fmt.f71.mdf == 0) PRINT_WARN("(%s): Repair will disable interface 0x%x " "on DV\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1]); else PRINT_WARN("(%s): Repair will disable interfaces " "(0x%x-0x%x) on DV\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1], sense->fmt.f71.md[2]); break; case 0x05: if (sense->fmt.f71.mdf == 0) PRINT_WARN("(%s): Repair will disable loader 0x%x " "on DV\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1]); else PRINT_WARN("(%s): Repair will disable loader " "(0x%x-0x%x) on DV\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1], sense->fmt.f71.md[2]); break; case 0x07: PRINT_WARN("(%s): Repair will disable access to DV\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); break; case 0x08: if (sense->fmt.f71.mdf == 0) PRINT_WARN("(%s): Repair will disable message " "display 0x%x on DV\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1]); else PRINT_WARN("(%s): Repair will disable message " "displays (0x%x-0x%x) on DV\n", - device->cdev->dev.bus_id, + dev_name(&device->cdev->dev), sense->fmt.f71.md[1], sense->fmt.f71.md[2]); break; case 0x09: - PRINT_WARN("(%s): Clean DV\n", device->cdev->dev.bus_id); + PRINT_WARN("(%s): Clean DV\n", dev_name(&device->cdev->dev)); break; default: PRINT_WARN("(%s): DSIM ServiceMsg: 0x%02x\n", - device->cdev->dev.bus_id, sense->fmt.f71.smc); + dev_name(&device->cdev->dev), sense->fmt.f71.smc); } } @@ -1279,18 +1279,18 @@ tape_3590_print_era_msg(struct tape_device *device, struct irb *irb) return; if ((sense->mc > 0) && (sense->mc < TAPE_3590_MAX_MSG)) { if (tape_3590_msg[sense->mc] != NULL) - PRINT_WARN("(%s): %s\n", device->cdev->dev.bus_id, + PRINT_WARN("(%s): %s\n", dev_name(&device->cdev->dev), tape_3590_msg[sense->mc]); else { PRINT_WARN("(%s): Message Code 0x%x\n", - device->cdev->dev.bus_id, sense->mc); + dev_name(&device->cdev->dev), sense->mc); } return; } if (sense->mc == 0xf0) { /* Standard Media Information Message */ PRINT_WARN("(%s): MIM SEV=%i, MC=%02x, ES=%x/%x, " - "RC=%02x-%04x-%02x\n", device->cdev->dev.bus_id, + "RC=%02x-%04x-%02x\n", dev_name(&device->cdev->dev), sense->fmt.f70.sev, sense->mc, sense->fmt.f70.emc, sense->fmt.f70.smc, sense->fmt.f70.refcode, sense->fmt.f70.mid, @@ -1302,7 +1302,7 @@ tape_3590_print_era_msg(struct tape_device *device, struct irb *irb) /* Standard I/O Subsystem Service Information Message */ PRINT_WARN("(%s): IOSIM SEV=%i, DEVTYPE=3590/%02x, " "MC=%02x, ES=%x/%x, REF=0x%04x-0x%04x-0x%04x\n", - device->cdev->dev.bus_id, sense->fmt.f71.sev, + dev_name(&device->cdev->dev), sense->fmt.f71.sev, device->cdev->id.dev_model, sense->mc, sense->fmt.f71.emc, sense->fmt.f71.smc, sense->fmt.f71.refcode1, @@ -1314,7 +1314,7 @@ tape_3590_print_era_msg(struct tape_device *device, struct irb *irb) /* Standard Device Service Information Message */ PRINT_WARN("(%s): DEVSIM SEV=%i, DEVTYPE=3590/%02x, " "MC=%02x, ES=%x/%x, REF=0x%04x-0x%04x-0x%04x\n", - device->cdev->dev.bus_id, sense->fmt.f71.sev, + dev_name(&device->cdev->dev), sense->fmt.f71.sev, device->cdev->id.dev_model, sense->mc, sense->fmt.f71.emc, sense->fmt.f71.smc, sense->fmt.f71.refcode1, @@ -1327,7 +1327,7 @@ tape_3590_print_era_msg(struct tape_device *device, struct irb *irb) return; } PRINT_WARN("(%s): Device Message(%x)\n", - device->cdev->dev.bus_id, sense->mc); + dev_name(&device->cdev->dev), sense->mc); } static int tape_3590_crypt_error(struct tape_device *device, @@ -1336,10 +1336,11 @@ static int tape_3590_crypt_error(struct tape_device *device, u8 cu_rc, ekm_rc1; u16 ekm_rc2; u32 drv_rc; - char *bus_id, *sense; + const char *bus_id; + char *sense; sense = ((struct tape_3590_sense *) irb->ecw)->fmt.data; - bus_id = device->cdev->dev.bus_id; + bus_id = dev_name(&device->cdev->dev); cu_rc = sense[0]; drv_rc = *((u32*) &sense[5]) & 0xffffff; ekm_rc1 = sense[9]; @@ -1440,7 +1441,7 @@ tape_3590_unit_check(struct tape_device *device, struct tape_request *request, * "device intervention" is not very meaningfull */ PRINT_WARN("(%s): Tape operation when medium not loaded\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); tape_med_state_set(device, MS_UNLOADED); tape_3590_schedule_work(device, TO_CRYPT_OFF); return tape_3590_erp_basic(device, request, irb, -ENOMEDIUM); @@ -1487,18 +1488,18 @@ tape_3590_unit_check(struct tape_device *device, struct tape_request *request, case 0x6020: PRINT_WARN("(%s): Cartridge of wrong type ?\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); return tape_3590_erp_basic(device, request, irb, -EMEDIUMTYPE); case 0x8011: PRINT_WARN("(%s): Another host has reserved the tape device\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); return tape_3590_erp_basic(device, request, irb, -EPERM); case 0x8013: PRINT_WARN("(%s): Another host has privileged access to the " - "tape device\n", device->cdev->dev.bus_id); + "tape device\n", dev_name(&device->cdev->dev)); PRINT_WARN("(%s): To solve the problem unload the current " - "cartridge!\n", device->cdev->dev.bus_id); + "cartridge!\n", dev_name(&device->cdev->dev)); return tape_3590_erp_basic(device, request, irb, -EPERM); default: return tape_3590_erp_basic(device, request, irb, -EIO); diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c index 95da72bc17e8..a25b8bf54f41 100644 --- a/drivers/s390/char/tape_block.c +++ b/drivers/s390/char/tape_block.c @@ -278,7 +278,7 @@ tapeblock_cleanup_device(struct tape_device *device) if (!device->blk_data.disk) { PRINT_ERR("(%s): No gendisk to clean up!\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); goto cleanup_queue; } diff --git a/drivers/s390/char/tape_class.c b/drivers/s390/char/tape_class.c index 6dfdb7c17981..12c2a5aaf31b 100644 --- a/drivers/s390/char/tape_class.c +++ b/drivers/s390/char/tape_class.c @@ -69,10 +69,9 @@ struct tape_class_device *register_tape_dev( if (rc) goto fail_with_cdev; - tcd->class_device = device_create(tape_class, device, - tcd->char_device->dev, - "%s", tcd->device_name - ); + tcd->class_device = device_create_drvdata(tape_class, device, + tcd->char_device->dev, + NULL, "%s", tcd->device_name); rc = IS_ERR(tcd->class_device) ? PTR_ERR(tcd->class_device) : 0; if (rc) goto fail_with_cdev; diff --git a/drivers/s390/char/tape_core.c b/drivers/s390/char/tape_core.c index c20e3c548343..4b10e56fcb2a 100644 --- a/drivers/s390/char/tape_core.c +++ b/drivers/s390/char/tape_core.c @@ -215,12 +215,12 @@ tape_med_state_set(struct tape_device *device, enum tape_medium_state newstate) case MS_UNLOADED: device->tape_generic_status |= GMT_DR_OPEN(~0); PRINT_INFO("(%s): Tape is unloaded\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); break; case MS_LOADED: device->tape_generic_status &= ~GMT_DR_OPEN(~0); PRINT_INFO("(%s): Tape has been mounted\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); break; default: // print nothing @@ -415,7 +415,7 @@ tape_generic_offline(struct tape_device *device) device->cdev_id); PRINT_WARN("(%s): Set offline failed " "- drive in use.\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); spin_unlock_irq(get_ccwdev_lock(device->cdev)); return -EBUSY; } @@ -538,7 +538,7 @@ tape_generic_probe(struct ccw_device *cdev) ret = sysfs_create_group(&cdev->dev.kobj, &tape_attr_group); if (ret) { tape_put_device(device); - PRINT_ERR("probe failed for tape device %s\n", cdev->dev.bus_id); + PRINT_ERR("probe failed for tape device %s\n", dev_name(&cdev->dev)); return ret; } cdev->dev.driver_data = device; @@ -546,7 +546,7 @@ tape_generic_probe(struct ccw_device *cdev) device->cdev = cdev; ccw_device_get_id(cdev, &dev_id); device->cdev_id = devid_to_int(&dev_id); - PRINT_INFO("tape device %s found\n", cdev->dev.bus_id); + PRINT_INFO("tape device %s found\n", dev_name(&cdev->dev)); return ret; } @@ -616,7 +616,7 @@ tape_generic_remove(struct ccw_device *cdev) device->cdev_id); PRINT_WARN("(%s): Drive in use vanished - " "expect trouble!\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); PRINT_WARN("State was %i\n", device->tape_state); tape_state_set(device, TS_NOT_OPER); __tape_discard_requests(device); @@ -840,7 +840,7 @@ tape_dump_sense(struct tape_device* device, struct tape_request *request, PRINT_INFO("-------------------------------------------------\n"); PRINT_INFO("DSTAT : %02x CSTAT: %02x CPA: %04x\n", irb->scsw.dstat, irb->scsw.cstat, irb->scsw.cpa); - PRINT_INFO("DEVICE: %s\n", device->cdev->dev.bus_id); + PRINT_INFO("DEVICE: %s\n", dev_name(&device->cdev->dev)); if (request != NULL) PRINT_INFO("OP : %s\n", tape_op_verbose[request->op]); @@ -1051,7 +1051,7 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb) device = (struct tape_device *) cdev->dev.driver_data; if (device == NULL) { PRINT_ERR("could not get device structure for %s " - "in interrupt\n", cdev->dev.bus_id); + "in interrupt\n", dev_name(&cdev->dev)); return; } request = (struct tape_request *) intparm; @@ -1064,13 +1064,13 @@ __tape_do_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb) switch (PTR_ERR(irb)) { case -ETIMEDOUT: PRINT_WARN("(%s): Request timed out\n", - cdev->dev.bus_id); + dev_name(&cdev->dev)); case -EIO: __tape_end_request(device, request, -EIO); break; default: PRINT_ERR("(%s): Unexpected i/o error %li\n", - cdev->dev.bus_id, + dev_name(&cdev->dev), PTR_ERR(irb)); } return; diff --git a/drivers/s390/char/tape_proc.c b/drivers/s390/char/tape_proc.c index e7c888c14e71..8a376af926a7 100644 --- a/drivers/s390/char/tape_proc.c +++ b/drivers/s390/char/tape_proc.c @@ -52,7 +52,7 @@ static int tape_proc_show(struct seq_file *m, void *v) return 0; spin_lock_irq(get_ccwdev_lock(device->cdev)); seq_printf(m, "%d\t", (int) n); - seq_printf(m, "%-10.10s ", device->cdev->dev.bus_id); + seq_printf(m, "%-10.10s ", dev_name(&device->cdev->dev)); seq_printf(m, "%04X/", device->cdev->id.cu_type); seq_printf(m, "%02X\t", device->cdev->id.cu_model); seq_printf(m, "%04X/", device->cdev->id.dev_type); diff --git a/drivers/s390/char/tape_std.c b/drivers/s390/char/tape_std.c index 2a1af4e60be0..1abeeaa25d6f 100644 --- a/drivers/s390/char/tape_std.c +++ b/drivers/s390/char/tape_std.c @@ -47,7 +47,7 @@ tape_std_assign_timeout(unsigned long data) rc = tape_cancel_io(device, request); if(rc) PRINT_ERR("(%s): Assign timeout: Cancel failed with rc = %i\n", - device->cdev->dev.bus_id, rc); + dev_name(&device->cdev->dev), rc); } @@ -83,7 +83,7 @@ tape_std_assign(struct tape_device *device) if (rc != 0) { PRINT_WARN("%s: assign failed - device might be busy\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); DBF_EVENT(3, "%08x: assign failed - device might be busy\n", device->cdev_id); } else { @@ -106,7 +106,7 @@ tape_std_unassign (struct tape_device *device) DBF_EVENT(3, "(%08x): Can't unassign device\n", device->cdev_id); PRINT_WARN("(%s): Can't unassign device - device gone\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); return -EIO; } @@ -120,7 +120,7 @@ tape_std_unassign (struct tape_device *device) if ((rc = tape_do_io(device, request)) != 0) { DBF_EVENT(3, "%08x: Unassign failed\n", device->cdev_id); - PRINT_WARN("%s: Unassign failed\n", device->cdev->dev.bus_id); + PRINT_WARN("%s: Unassign failed\n", dev_name(&device->cdev->dev)); } else { DBF_EVENT(3, "%08x: Tape unassigned\n", device->cdev_id); } @@ -634,10 +634,10 @@ tape_std_mtcompression(struct tape_device *device, int mt_count) DBF_EXCEPTION(6, "xcom parm\n"); if (*device->modeset_byte & 0x08) PRINT_INFO("(%s) Compression is currently on\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); else PRINT_INFO("(%s) Compression is currently off\n", - device->cdev->dev.bus_id); + dev_name(&device->cdev->dev)); PRINT_INFO("Use 1 to switch compression on, 0 to " "switch it off\n"); return -EINVAL; diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c index 2c2428cc05d8..7ace5859b5d8 100644 --- a/drivers/s390/char/vmlogrdr.c +++ b/drivers/s390/char/vmlogrdr.c @@ -738,8 +738,7 @@ static int vmlogrdr_register_device(struct vmlogrdr_priv_t *priv) dev = kzalloc(sizeof(struct device), GFP_KERNEL); if (dev) { - snprintf(dev->bus_id, BUS_ID_SIZE, "%s", - priv->internal_name); + dev_set_name(dev, priv->internal_name); dev->bus = &iucv_bus; dev->parent = iucv_root; dev->driver = &vmlogrdr_driver; @@ -765,7 +764,7 @@ static int vmlogrdr_register_device(struct vmlogrdr_priv_t *priv) priv->class_device = device_create_drvdata(vmlogrdr_class, dev, MKDEV(vmlogrdr_major, priv->minor_num), - priv, "%s", dev->bus_id); + priv, "%s", dev_name(dev)); if (IS_ERR(priv->class_device)) { ret = PTR_ERR(priv->class_device); priv->class_device=NULL; diff --git a/drivers/s390/char/vmur.c b/drivers/s390/char/vmur.c index 83ae9a852f00..b73a1a91610c 100644 --- a/drivers/s390/char/vmur.c +++ b/drivers/s390/char/vmur.c @@ -879,18 +879,19 @@ static int ur_set_online(struct ccw_device *cdev) goto fail_free_cdev; if (urd->cdev->id.cu_type == READER_PUNCH_DEVTYPE) { if (urd->class == DEV_CLASS_UR_I) - sprintf(node_id, "vmrdr-%s", cdev->dev.bus_id); + sprintf(node_id, "vmrdr-%s", dev_name(&cdev->dev)); if (urd->class == DEV_CLASS_UR_O) - sprintf(node_id, "vmpun-%s", cdev->dev.bus_id); + sprintf(node_id, "vmpun-%s", dev_name(&cdev->dev)); } else if (urd->cdev->id.cu_type == PRINTER_DEVTYPE) { - sprintf(node_id, "vmprt-%s", cdev->dev.bus_id); + sprintf(node_id, "vmprt-%s", dev_name(&cdev->dev)); } else { rc = -ENOTSUPP; goto fail_free_cdev; } - urd->device = device_create(vmur_class, NULL, urd->char_device->dev, - "%s", node_id); + urd->device = device_create_drvdata(vmur_class, NULL, + urd->char_device->dev, NULL, + "%s", node_id); if (IS_ERR(urd->device)) { rc = PTR_ERR(urd->device); TRACE("ur_set_online: device_create rc=%d\n", rc); diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c index 26a930e832bd..859ea264801b 100644 --- a/drivers/s390/cio/ccwgroup.c +++ b/drivers/s390/cio/ccwgroup.c @@ -264,8 +264,7 @@ int ccwgroup_create_from_string(struct device *root, unsigned int creator_id, gdev->dev.parent = root; gdev->dev.release = ccwgroup_release; - snprintf (gdev->dev.bus_id, BUS_ID_SIZE, "%s", - gdev->cdev[0]->dev.bus_id); + dev_set_name(&gdev->dev, "%s", dev_name(&gdev->cdev[0]->dev)); rc = device_register(&gdev->dev); if (rc) diff --git a/drivers/s390/cio/chp.c b/drivers/s390/cio/chp.c index 297cdceb0ca4..f02b14e02a0c 100644 --- a/drivers/s390/cio/chp.c +++ b/drivers/s390/cio/chp.c @@ -401,8 +401,7 @@ int chp_new(struct chp_id chpid) chp->state = 1; chp->dev.parent = &channel_subsystems[chpid.cssid]->device; chp->dev.release = chp_release; - snprintf(chp->dev.bus_id, BUS_ID_SIZE, "chp%x.%02x", chpid.cssid, - chpid.id); + dev_set_name(&chp->dev, "chp%x.%02x", chpid.cssid, chpid.id); /* Obtain channel path description and fill it in. */ ret = chsc_determine_channel_path_description(chpid, &chp->desc); diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index b32d7eb3d81a..85efd1114ec6 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -152,7 +152,7 @@ cio_start_handle_notoper(struct subchannel *sch, __u8 lpm) CIO_MSG_EVENT(2, "cio_start: 'not oper' status for " "subchannel 0.%x.%04x!\n", sch->schid.ssid, sch->schid.sch_no); - sprintf(dbf_text, "no%s", sch->dev.bus_id); + sprintf(dbf_text, "no%s", dev_name(&sch->dev)); CIO_TRACE_EVENT(0, dbf_text); CIO_HEX_EVENT(0, &sch->schib, sizeof (struct schib)); @@ -170,7 +170,7 @@ cio_start_key (struct subchannel *sch, /* subchannel structure */ struct orb *orb; CIO_TRACE_EVENT(4, "stIO"); - CIO_TRACE_EVENT(4, sch->dev.bus_id); + CIO_TRACE_EVENT(4, dev_name(&sch->dev)); orb = &to_io_private(sch)->orb; /* sch is always under 2G. */ @@ -228,7 +228,7 @@ cio_resume (struct subchannel *sch) int ccode; CIO_TRACE_EVENT (4, "resIO"); - CIO_TRACE_EVENT (4, sch->dev.bus_id); + CIO_TRACE_EVENT (4, dev_name(&sch->dev)); ccode = rsch (sch->schid); @@ -265,7 +265,7 @@ cio_halt(struct subchannel *sch) return -ENODEV; CIO_TRACE_EVENT (2, "haltIO"); - CIO_TRACE_EVENT (2, sch->dev.bus_id); + CIO_TRACE_EVENT (2, dev_name(&sch->dev)); /* * Issue "Halt subchannel" and process condition code @@ -300,7 +300,7 @@ cio_clear(struct subchannel *sch) return -ENODEV; CIO_TRACE_EVENT (2, "clearIO"); - CIO_TRACE_EVENT (2, sch->dev.bus_id); + CIO_TRACE_EVENT (2, dev_name(&sch->dev)); /* * Issue "Clear subchannel" and process condition code @@ -336,7 +336,7 @@ cio_cancel (struct subchannel *sch) return -ENODEV; CIO_TRACE_EVENT (2, "cancelIO"); - CIO_TRACE_EVENT (2, sch->dev.bus_id); + CIO_TRACE_EVENT (2, dev_name(&sch->dev)); ccode = xsch (sch->schid); @@ -398,7 +398,7 @@ int cio_enable_subchannel(struct subchannel *sch, u32 intparm) int ret; CIO_TRACE_EVENT (2, "ensch"); - CIO_TRACE_EVENT (2, sch->dev.bus_id); + CIO_TRACE_EVENT (2, dev_name(&sch->dev)); if (sch_is_pseudo_sch(sch)) return -EINVAL; @@ -447,7 +447,7 @@ cio_disable_subchannel (struct subchannel *sch) int ret; CIO_TRACE_EVENT (2, "dissch"); - CIO_TRACE_EVENT (2, sch->dev.bus_id); + CIO_TRACE_EVENT (2, dev_name(&sch->dev)); if (sch_is_pseudo_sch(sch)) return 0; @@ -529,7 +529,7 @@ cio_validate_subchannel (struct subchannel *sch, struct subchannel_id schid) } mutex_init(&sch->reg_mutex); /* Set a name for the subchannel */ - snprintf (sch->dev.bus_id, BUS_ID_SIZE, "0.%x.%04x", schid.ssid, + snprintf (dev_name(&sch->dev), BUS_ID_SIZE, "0.%x.%04x", schid.ssid, schid.sch_no); /* diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index a76956512b2d..42efaec8b475 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -741,7 +741,7 @@ static int __init setup_css(int nr) return -ENOMEM; css->pseudo_subchannel->dev.parent = &css->device; css->pseudo_subchannel->dev.release = css_subchannel_release; - sprintf(css->pseudo_subchannel->dev.bus_id, "defunct"); + dev_set_name(&css->pseudo_subchannel->dev, "defunct"); ret = cio_create_sch_lock(css->pseudo_subchannel); if (ret) { kfree(css->pseudo_subchannel); @@ -750,7 +750,7 @@ static int __init setup_css(int nr) mutex_init(&css->mutex); css->valid = 1; css->cssid = nr; - sprintf(css->device.bus_id, "css%x", nr); + dev_set_name(&css->device, "css%x", nr); css->device.release = channel_subsystem_release; tod_high = (u32) (get_clock() >> 32); css_generate_pgid(css, tod_high); diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index e22813db74a2..1e30999ebb03 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -1117,7 +1117,7 @@ static void io_subchannel_irq(struct subchannel *sch) cdev = sch_get_cdev(sch); CIO_TRACE_EVENT(3, "IRQ"); - CIO_TRACE_EVENT(3, sch->dev.bus_id); + CIO_TRACE_EVENT(3, dev_name(&sch->dev)); if (cdev) dev_fsm_event(cdev, DEV_EVENT_INTERRUPT); } @@ -1367,7 +1367,7 @@ __ccwdev_check_busid(struct device *dev, void *id) bus_id = id; - return (strncmp(bus_id, dev->bus_id, BUS_ID_SIZE) == 0); + return (strncmp(bus_id, dev_name(dev), BUS_ID_SIZE) == 0); } diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c index e268d5a77c12..c04e88ce95ed 100644 --- a/drivers/s390/cio/device_fsm.c +++ b/drivers/s390/cio/device_fsm.c @@ -110,8 +110,10 @@ static void ccw_timeout_log(struct ccw_device *cdev) printk(KERN_WARNING "cio: orb:\n"); print_hex_dump(KERN_WARNING, "cio: ", DUMP_PREFIX_NONE, 16, 1, &private->orb, sizeof(private->orb), 0); - printk(KERN_WARNING "cio: ccw device bus id: %s\n", cdev->dev.bus_id); - printk(KERN_WARNING "cio: subchannel bus id: %s\n", sch->dev.bus_id); + printk(KERN_WARNING "cio: ccw device bus id: %s\n", + dev_name(&cdev->dev)); + printk(KERN_WARNING "cio: subchannel bus id: %s\n", + dev_name(&sch->dev)); printk(KERN_WARNING "cio: subchannel lpm: %02x, opm: %02x, " "vpm: %02x\n", sch->lpm, sch->opm, sch->vpm); diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c index f308ad55a6d5..8bb46a3b9efd 100644 --- a/drivers/s390/cio/device_ops.c +++ b/drivers/s390/cio/device_ops.c @@ -497,7 +497,7 @@ ccw_device_stlck(struct ccw_device *cdev) sch = to_subchannel(cdev->dev.parent); CIO_TRACE_EVENT(2, "stl lock"); - CIO_TRACE_EVENT(2, cdev->dev.bus_id); + CIO_TRACE_EVENT(2, dev_name(&cdev->dev)); buf = kmalloc(32*sizeof(char), GFP_DMA|GFP_KERNEL); if (!buf) diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c index 445cf364e461..33c100548f8a 100644 --- a/drivers/s390/cio/qdio.c +++ b/drivers/s390/cio/qdio.c @@ -2001,21 +2001,21 @@ qdio_handle_activate_check(struct ccw_device *cdev, unsigned long intparm, irq_ptr = cdev->private->qdio_data; QDIO_DBF_TEXT2(1, trace, "ick2"); - sprintf(dbf_text,"%s", cdev->dev.bus_id); + sprintf(dbf_text,"%s", dev_name(&cdev->dev)); QDIO_DBF_TEXT2(1,trace,dbf_text); QDIO_DBF_HEX2(0,trace,&intparm,sizeof(int)); QDIO_DBF_HEX2(0,trace,&dstat,sizeof(int)); QDIO_DBF_HEX2(0,trace,&cstat,sizeof(int)); QDIO_PRINT_ERR("received check condition on activate " \ "queues on device %s (cs=x%x, ds=x%x).\n", - cdev->dev.bus_id, cstat, dstat); + dev_name(&cdev->dev), cstat, dstat); if (irq_ptr->no_input_qs) { q=irq_ptr->input_qs[0]; } else if (irq_ptr->no_output_qs) { q=irq_ptr->output_qs[0]; } else { QDIO_PRINT_ERR("oops... no queue registered for device %s!?\n", - cdev->dev.bus_id); + dev_name(&cdev->dev)); goto omit_handler_call; } q->handler(q->cdev,QDIO_STATUS_ACTIVATE_CHECK_CONDITION| @@ -2045,7 +2045,7 @@ qdio_timeout_handler(struct ccw_device *cdev) char dbf_text[15]; QDIO_DBF_TEXT2(0, trace, "qtoh"); - sprintf(dbf_text, "%s", cdev->dev.bus_id); + sprintf(dbf_text, "%s", dev_name(&cdev->dev)); QDIO_DBF_TEXT2(0, trace, dbf_text); irq_ptr = cdev->private->qdio_data; @@ -2095,23 +2095,23 @@ qdio_handler(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) #ifdef CONFIG_QDIO_DEBUG QDIO_DBF_TEXT4(0, trace, "qint"); - sprintf(dbf_text, "%s", cdev->dev.bus_id); + sprintf(dbf_text, "%s", dev_name(&cdev->dev)); QDIO_DBF_TEXT4(0, trace, dbf_text); #endif /* CONFIG_QDIO_DEBUG */ if (!intparm) { QDIO_PRINT_ERR("got unsolicited interrupt in qdio " \ - "handler, device %s\n", cdev->dev.bus_id); + "handler, device %s\n", dev_name(&cdev->dev)); return; } irq_ptr = cdev->private->qdio_data; if (!irq_ptr) { QDIO_DBF_TEXT2(1, trace, "uint"); - sprintf(dbf_text,"%s", cdev->dev.bus_id); + sprintf(dbf_text,"%s", dev_name(&cdev->dev)); QDIO_DBF_TEXT2(1,trace,dbf_text); QDIO_PRINT_ERR("received interrupt on unused device %s!\n", - cdev->dev.bus_id); + dev_name(&cdev->dev)); return; } @@ -2120,14 +2120,14 @@ qdio_handler(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) switch (PTR_ERR(irb)) { case -EIO: QDIO_PRINT_ERR("i/o error on device %s\n", - cdev->dev.bus_id); + dev_name(&cdev->dev)); return; case -ETIMEDOUT: qdio_timeout_handler(cdev); return; default: QDIO_PRINT_ERR("unknown error state %ld on device %s\n", - PTR_ERR(irb), cdev->dev.bus_id); + PTR_ERR(irb), dev_name(&cdev->dev)); return; } } @@ -2165,7 +2165,7 @@ qdio_handler(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) default: QDIO_PRINT_ERR("got interrupt for queues in state %d on " \ "device %s?!\n", - irq_ptr->state, cdev->dev.bus_id); + irq_ptr->state, dev_name(&cdev->dev)); } wake_up(&cdev->private->wait_q); @@ -2675,7 +2675,7 @@ qdio_shutdown(struct ccw_device *cdev, int how) irq_ptr->state == QDIO_IRQ_STATE_ERR); } else { QDIO_PRINT_INFO("ccw_device_{halt,clear} returned %d for " - "device %s\n", result, cdev->dev.bus_id); + "device %s\n", result, dev_name(&cdev->dev)); spin_unlock_irqrestore(get_ccwdev_lock(cdev), flags); result = rc; goto out; diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c index a1ab3e3efd11..d9f38b90afa7 100644 --- a/drivers/s390/crypto/ap_bus.c +++ b/drivers/s390/crypto/ap_bus.c @@ -859,8 +859,8 @@ static void ap_scan_bus(struct work_struct *unused) ap_dev->device.bus = &ap_bus_type; ap_dev->device.parent = ap_root_device; - snprintf(ap_dev->device.bus_id, BUS_ID_SIZE, "card%02x", - AP_QID_DEVICE(ap_dev->qid)); + dev_set_name(&ap_dev->device, "card%02x", + AP_QID_DEVICE(ap_dev->qid)); ap_dev->device.release = ap_device_release; rc = device_register(&ap_dev->device); if (rc) { diff --git a/drivers/s390/kvm/kvm_virtio.c b/drivers/s390/kvm/kvm_virtio.c index 5ab34340919b..3d1160e9e5a4 100644 --- a/drivers/s390/kvm/kvm_virtio.c +++ b/drivers/s390/kvm/kvm_virtio.c @@ -23,6 +23,7 @@ #include <asm/kvm_virtio.h> #include <asm/setup.h> #include <asm/s390_ext.h> +#include <asm/s390_rdev.h> #define VIRTIO_SUBCODE_64 0x0D00 @@ -236,10 +237,7 @@ static struct virtio_config_ops kvm_vq_configspace_ops = { * The root device for the kvm virtio devices. * This makes them appear as /sys/devices/kvm_s390/0,1,2 not /sys/devices/0,1,2. */ -static struct device kvm_root = { - .parent = NULL, - .bus_id = "kvm_s390", -}; +static struct device *kvm_root; /* * adds a new device and register it with virtio @@ -256,7 +254,7 @@ static void add_kvm_device(struct kvm_device_desc *d, unsigned int offset) return; } - kdev->vdev.dev.parent = &kvm_root; + kdev->vdev.dev.parent = kvm_root; kdev->vdev.id.device = d->type; kdev->vdev.config = &kvm_vq_configspace_ops; kdev->desc = d; @@ -312,15 +310,16 @@ static int __init kvm_devices_init(void) if (!MACHINE_IS_KVM) return -ENODEV; - rc = device_register(&kvm_root); - if (rc) { + kvm_root = s390_root_dev_register("kvm_s390"); + if (IS_ERR(kvm_root)) { + rc = PTR_ERR(kvm_root); printk(KERN_ERR "Could not register kvm_s390 root device"); return rc; } rc = vmem_add_mapping(PFN_PHYS(max_pfn), PAGE_SIZE); if (rc) { - device_unregister(&kvm_root); + s390_root_dev_unregister(kvm_root); return rc; } diff --git a/drivers/s390/net/claw.c b/drivers/s390/net/claw.c index 04a1d7bf678c..6ae7afa4cab3 100644 --- a/drivers/s390/net/claw.c +++ b/drivers/s390/net/claw.c @@ -313,7 +313,7 @@ claw_probe(struct ccwgroup_device *cgdev) probe_error(cgdev); put_device(&cgdev->dev); printk(KERN_WARNING "Out of memory %s %s Exit Line %d \n", - cgdev->cdev[0]->dev.bus_id,__func__,__LINE__); + dev_name(&cgdev->cdev[0]->dev),__func__,__LINE__); CLAW_DBF_TEXT_(2,setup,"probex%d",-ENOMEM); return -ENOMEM; } @@ -323,7 +323,7 @@ claw_probe(struct ccwgroup_device *cgdev) probe_error(cgdev); put_device(&cgdev->dev); printk(KERN_WARNING "Out of memory %s %s Exit Line %d \n", - cgdev->cdev[0]->dev.bus_id,__func__,__LINE__); + dev_name(&cgdev->cdev[0]->dev),__func__,__LINE__); CLAW_DBF_TEXT_(2,setup,"probex%d",-ENOMEM); return -ENOMEM; } @@ -340,11 +340,12 @@ claw_probe(struct ccwgroup_device *cgdev) probe_error(cgdev); put_device(&cgdev->dev); printk(KERN_WARNING "add_files failed %s %s Exit Line %d \n", - cgdev->cdev[0]->dev.bus_id,__func__,__LINE__); + dev_name(&cgdev->cdev[0]->dev),__func__,__LINE__); CLAW_DBF_TEXT_(2,setup,"probex%d",rc); return rc; } - printk(KERN_INFO "claw: sysfs files added for %s\n",cgdev->cdev[0]->dev.bus_id); + printk(KERN_INFO "claw: sysfs files added for %s\n", + dev_name(&cgdev->cdev[0]->dev)); privptr->p_env->p_priv = privptr; cgdev->cdev[0]->handler = claw_irq_handler; cgdev->cdev[1]->handler = claw_irq_handler; @@ -703,7 +704,7 @@ claw_irq_handler(struct ccw_device *cdev, if (!cdev->dev.driver_data) { printk(KERN_WARNING "claw: unsolicited interrupt for device:" "%s received c-%02x d-%02x\n", - cdev->dev.bus_id,irb->scsw.cstat, irb->scsw.dstat); + dev_name(&cdev->dev),irb->scsw.cstat, irb->scsw.dstat); #ifdef FUNCTRACE printk(KERN_INFO "claw: %s() " "exit on line %d\n",__func__,__LINE__); @@ -720,7 +721,7 @@ claw_irq_handler(struct ccw_device *cdev, p_ch = &privptr->channel[WRITE]; else { printk(KERN_WARNING "claw: Can't determine channel for " - "interrupt, device %s\n", cdev->dev.bus_id); + "interrupt, device %s\n", dev_name(&cdev->dev)); CLAW_DBF_TEXT(2,trace,"badchan"); return; } @@ -827,7 +828,7 @@ claw_irq_handler(struct ccw_device *cdev, printk(KERN_WARNING "claw: unsolicited " "interrupt for device:" "%s received c-%02x d-%02x\n", - cdev->dev.bus_id, + dev_name(&cdev->dev), irb->scsw.cstat, irb->scsw.dstat); return; @@ -1483,7 +1484,7 @@ ccw_check_return_code(struct ccw_device *cdev, int return_code) { #ifdef FUNCTRACE printk(KERN_INFO "%s: %s() > enter \n", - cdev->dev.bus_id,__func__); + dev_name(&cdev->dev),__func__); #endif CLAW_DBF_TEXT(4,trace,"ccwret"); #ifdef DEBUGMSG @@ -1495,28 +1496,28 @@ ccw_check_return_code(struct ccw_device *cdev, int return_code) switch (return_code) { case -EBUSY: printk(KERN_INFO "%s: Busy !\n", - cdev->dev.bus_id); + dev_name(&cdev->dev)); break; case -ENODEV: printk(KERN_EMERG "%s: Missing device called " - "for IO ENODEV\n", cdev->dev.bus_id); + "for IO ENODEV\n", dev_name(&cdev->dev)); break; case -EIO: printk(KERN_EMERG "%s: Status pending... EIO \n", - cdev->dev.bus_id); + dev_name(&cdev->dev)); break; case -EINVAL: printk(KERN_EMERG "%s: Invalid Dev State EINVAL \n", - cdev->dev.bus_id); + dev_name(&cdev->dev)); break; default: printk(KERN_EMERG "%s: Unknown error in " - "Do_IO %d\n",cdev->dev.bus_id, return_code); + "Do_IO %d\n",dev_name(&cdev->dev), return_code); } } #ifdef FUNCTRACE printk(KERN_INFO "%s: %s() > exit on line %d\n", - cdev->dev.bus_id,__func__,__LINE__); + dev_name(&cdev->dev),__func__,__LINE__); #endif CLAW_DBF_TEXT(4,trace,"ccwret"); } /* end of ccw_check_return_code */ @@ -3909,13 +3910,13 @@ add_channel(struct ccw_device *cdev,int i,struct claw_privbk *privptr) struct ccw_dev_id dev_id; #ifdef FUNCTRACE - printk(KERN_INFO "%s:%s Enter\n",cdev->dev.bus_id,__func__); + printk(KERN_INFO "%s:%s Enter\n",dev_name(&cdev->dev),__func__); #endif - CLAW_DBF_TEXT_(2,setup,"%s",cdev->dev.bus_id); + CLAW_DBF_TEXT_(2,setup,"%s",dev_name(&cdev->dev)); privptr->channel[i].flag = i+1; /* Read is 1 Write is 2 */ p_ch = &privptr->channel[i]; p_ch->cdev = cdev; - snprintf(p_ch->id, CLAW_ID_SIZE, "cl-%s", cdev->dev.bus_id); + snprintf(p_ch->id, CLAW_ID_SIZE, "cl-%s", dev_name(&cdev->dev)); ccw_device_get_id(cdev, &dev_id); p_ch->devno = dev_id.devno; if ((p_ch->irb = kzalloc(sizeof (struct irb),GFP_KERNEL)) == NULL) { @@ -3929,7 +3930,7 @@ add_channel(struct ccw_device *cdev,int i,struct claw_privbk *privptr) } #ifdef FUNCTRACE printk(KERN_INFO "%s:%s Exit on line %d\n", - cdev->dev.bus_id,__func__,__LINE__); + dev_name(&cdev->dev),__func__,__LINE__); #endif return 0; } @@ -3953,7 +3954,8 @@ claw_new_device(struct ccwgroup_device *cgdev) struct ccw_dev_id dev_id; pr_debug("%s() called\n", __func__); - printk(KERN_INFO "claw: add for %s\n",cgdev->cdev[READ]->dev.bus_id); + printk(KERN_INFO "claw: add for %s\n", + dev_name(&cgdev->cdev[READ]->dev)); CLAW_DBF_TEXT(2,setup,"new_dev"); privptr = cgdev->dev.driver_data; cgdev->cdev[READ]->dev.driver_data = privptr; @@ -3978,14 +3980,14 @@ claw_new_device(struct ccwgroup_device *cgdev) if (ret != 0) { printk(KERN_WARNING "claw: ccw_device_set_online %s READ failed " - "with ret = %d\n",cgdev->cdev[READ]->dev.bus_id,ret); + "with ret = %d\n", dev_name(&cgdev->cdev[READ]->dev),ret); goto out; } ret = ccw_device_set_online(cgdev->cdev[WRITE]); if (ret != 0) { printk(KERN_WARNING "claw: ccw_device_set_online %s WRITE failed " - "with ret = %d\n",cgdev->cdev[WRITE]->dev.bus_id, ret); + "with ret = %d\n", dev_name(&cgdev->cdev[WRITE]->dev), ret); goto out; } dev = alloc_netdev(0,"claw%d",claw_init_netdevice); @@ -4066,7 +4068,7 @@ claw_shutdown_device(struct ccwgroup_device *cgdev) int ret; pr_debug("%s() called\n", __func__); - CLAW_DBF_TEXT_(2,setup,"%s",cgdev->dev.bus_id); + CLAW_DBF_TEXT_(2,setup,"%s", dev_name(&cgdev->dev)); priv = cgdev->dev.driver_data; if (!priv) return -ENODEV; @@ -4096,14 +4098,14 @@ claw_remove_device(struct ccwgroup_device *cgdev) struct claw_privbk *priv; pr_debug("%s() called\n", __func__); - CLAW_DBF_TEXT_(2,setup,"%s",cgdev->dev.bus_id); + CLAW_DBF_TEXT_(2,setup,"%s", dev_name(&cgdev->dev)); priv = cgdev->dev.driver_data; if (!priv) { printk(KERN_WARNING "claw: %s() no Priv exiting\n",__func__); return; } printk(KERN_INFO "claw: %s() called %s will be removed.\n", - __func__,cgdev->cdev[0]->dev.bus_id); + __func__, dev_name(&cgdev->cdev[0]->dev)); if (cgdev->state == CCWGROUP_ONLINE) claw_shutdown_device(cgdev); claw_remove_files(&cgdev->dev); diff --git a/drivers/s390/net/claw.h b/drivers/s390/net/claw.h index 1a89d989f348..71c967fbaca3 100644 --- a/drivers/s390/net/claw.h +++ b/drivers/s390/net/claw.h @@ -85,7 +85,7 @@ #define CLAW_MAX_DEV 256 /* max claw devices */ #define MAX_NAME_LEN 8 /* host name, adapter name length */ #define CLAW_FRAME_SIZE 4096 -#define CLAW_ID_SIZE BUS_ID_SIZE+3 +#define CLAW_ID_SIZE 20+3 /* state machine codes used in claw_irq_handler */ diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c index d52843da4f55..84fa1ecf7435 100644 --- a/drivers/s390/net/ctcm_main.c +++ b/drivers/s390/net/ctcm_main.c @@ -284,18 +284,18 @@ static long ctcm_check_irb_error(struct ccw_device *cdev, struct irb *irb) return 0; CTCM_DBF_TEXT_(ERROR, CTC_DBF_WARN, "irb error %ld on device %s\n", - PTR_ERR(irb), cdev->dev.bus_id); + PTR_ERR(irb), dev_name(&cdev->dev)); switch (PTR_ERR(irb)) { case -EIO: - ctcm_pr_warn("i/o-error on device %s\n", cdev->dev.bus_id); + ctcm_pr_warn("i/o-error on device %s\n", dev_name(&cdev->dev)); break; case -ETIMEDOUT: - ctcm_pr_warn("timeout on device %s\n", cdev->dev.bus_id); + ctcm_pr_warn("timeout on device %s\n", dev_name(&cdev->dev)); break; default: ctcm_pr_warn("unknown error %ld on device %s\n", - PTR_ERR(irb), cdev->dev.bus_id); + PTR_ERR(irb), dev_name(&cdev->dev)); } return PTR_ERR(irb); } @@ -1236,7 +1236,7 @@ static void ctcm_irq_handler(struct ccw_device *cdev, /* Check for unsolicited interrupts. */ if (cgdev == NULL) { ctcm_pr_warn("ctcm: Got unsolicited irq: %s c-%02x d-%02x\n", - cdev->dev.bus_id, irb->scsw.cstat, + dev_name(&cdev->dev), irb->scsw.cstat, irb->scsw.dstat); return; } @@ -1250,14 +1250,14 @@ static void ctcm_irq_handler(struct ccw_device *cdev, ch = priv->channel[WRITE]; else { ctcm_pr_err("ctcm: Can't determine channel for interrupt, " - "device %s\n", cdev->dev.bus_id); + "device %s\n", dev_name(&cdev->dev)); return; } dev = (struct net_device *)(ch->netdev); if (dev == NULL) { ctcm_pr_crit("ctcm: %s dev=NULL bus_id=%s, ch=0x%p\n", - __FUNCTION__, cdev->dev.bus_id, ch); + __FUNCTION__, dev_name(&cdev->dev), ch); return; } @@ -1392,7 +1392,7 @@ static int add_channel(struct ccw_device *cdev, enum channel_types type, goto nomem_return; ch->cdev = cdev; - snprintf(ch->id, CTCM_ID_SIZE, "ch-%s", cdev->dev.bus_id); + snprintf(ch->id, CTCM_ID_SIZE, "ch-%s", dev_name(&cdev->dev)); ch->type = type; /** @@ -1550,8 +1550,10 @@ static int ctcm_new_device(struct ccwgroup_device *cgdev) type = get_channel_type(&cgdev->cdev[0]->id); - snprintf(read_id, CTCM_ID_SIZE, "ch-%s", cgdev->cdev[0]->dev.bus_id); - snprintf(write_id, CTCM_ID_SIZE, "ch-%s", cgdev->cdev[1]->dev.bus_id); + snprintf(read_id, CTCM_ID_SIZE, "ch-%s", + dev_name(&cgdev->cdev[0]->dev)); + snprintf(write_id, CTCM_ID_SIZE, "ch-%s", + dev_name(&cgdev->cdev[1]->dev)); ret = add_channel(cgdev->cdev[0], type, priv); if (ret) diff --git a/drivers/s390/net/ctcm_main.h b/drivers/s390/net/ctcm_main.h index 95b0c0b6ebc6..50d34f31573e 100644 --- a/drivers/s390/net/ctcm_main.h +++ b/drivers/s390/net/ctcm_main.h @@ -80,7 +80,7 @@ #define READ 0 #define WRITE 1 -#define CTCM_ID_SIZE BUS_ID_SIZE+3 +#define CTCM_ID_SIZE 20+3 struct ctcm_profile { unsigned long maxmulti; diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c index dd22f4b37037..26487c4c2af2 100644 --- a/drivers/s390/net/lcs.c +++ b/drivers/s390/net/lcs.c @@ -492,7 +492,7 @@ lcs_start_channel(struct lcs_channel *channel) unsigned long flags; int rc; - LCS_DBF_TEXT_(4,trace,"ssch%s", channel->ccwdev->dev.bus_id); + LCS_DBF_TEXT_(4,trace,"ssch%s", dev_name(&channel->ccwdev->dev)); spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); rc = ccw_device_start(channel->ccwdev, channel->ccws + channel->io_idx, 0, 0, @@ -501,7 +501,7 @@ lcs_start_channel(struct lcs_channel *channel) channel->state = LCS_CH_STATE_RUNNING; spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); if (rc) { - LCS_DBF_TEXT_(4,trace,"essh%s", channel->ccwdev->dev.bus_id); + LCS_DBF_TEXT_(4,trace,"essh%s", dev_name(&channel->ccwdev->dev)); PRINT_ERR("Error in starting channel, rc=%d!\n", rc); } return rc; @@ -514,12 +514,12 @@ lcs_clear_channel(struct lcs_channel *channel) int rc; LCS_DBF_TEXT(4,trace,"clearch"); - LCS_DBF_TEXT_(4,trace,"%s", channel->ccwdev->dev.bus_id); + LCS_DBF_TEXT_(4,trace,"%s", dev_name(&channel->ccwdev->dev)); spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); rc = ccw_device_clear(channel->ccwdev, (addr_t) channel); spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); if (rc) { - LCS_DBF_TEXT_(4,trace,"ecsc%s", channel->ccwdev->dev.bus_id); + LCS_DBF_TEXT_(4,trace,"ecsc%s", dev_name(&channel->ccwdev->dev)); return rc; } wait_event(channel->wait_q, (channel->state == LCS_CH_STATE_CLEARED)); @@ -540,13 +540,13 @@ lcs_stop_channel(struct lcs_channel *channel) if (channel->state == LCS_CH_STATE_STOPPED) return 0; LCS_DBF_TEXT(4,trace,"haltsch"); - LCS_DBF_TEXT_(4,trace,"%s", channel->ccwdev->dev.bus_id); + LCS_DBF_TEXT_(4,trace,"%s", dev_name(&channel->ccwdev->dev)); channel->state = LCS_CH_STATE_INIT; spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); rc = ccw_device_halt(channel->ccwdev, (addr_t) channel); spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); if (rc) { - LCS_DBF_TEXT_(4,trace,"ehsc%s", channel->ccwdev->dev.bus_id); + LCS_DBF_TEXT_(4,trace,"ehsc%s", dev_name(&channel->ccwdev->dev)); return rc; } /* Asynchronous halt initialted. Wait for its completion. */ @@ -632,10 +632,10 @@ __lcs_resume_channel(struct lcs_channel *channel) return 0; if (channel->ccws[channel->io_idx].flags & CCW_FLAG_SUSPEND) return 0; - LCS_DBF_TEXT_(5, trace, "rsch%s", channel->ccwdev->dev.bus_id); + LCS_DBF_TEXT_(5, trace, "rsch%s", dev_name(&channel->ccwdev->dev)); rc = ccw_device_resume(channel->ccwdev); if (rc) { - LCS_DBF_TEXT_(4, trace, "ersc%s", channel->ccwdev->dev.bus_id); + LCS_DBF_TEXT_(4, trace, "ersc%s", dev_name(&channel->ccwdev->dev)); PRINT_ERR("Error in lcs_resume_channel: rc=%d\n",rc); } else channel->state = LCS_CH_STATE_RUNNING; @@ -1302,18 +1302,18 @@ lcs_check_irb_error(struct ccw_device *cdev, struct irb *irb) switch (PTR_ERR(irb)) { case -EIO: - PRINT_WARN("i/o-error on device %s\n", cdev->dev.bus_id); + PRINT_WARN("i/o-error on device %s\n", dev_name(&cdev->dev)); LCS_DBF_TEXT(2, trace, "ckirberr"); LCS_DBF_TEXT_(2, trace, " rc%d", -EIO); break; case -ETIMEDOUT: - PRINT_WARN("timeout on device %s\n", cdev->dev.bus_id); + PRINT_WARN("timeout on device %s\n", dev_name(&cdev->dev)); LCS_DBF_TEXT(2, trace, "ckirberr"); LCS_DBF_TEXT_(2, trace, " rc%d", -ETIMEDOUT); break; default: PRINT_WARN("unknown error %ld on device %s\n", PTR_ERR(irb), - cdev->dev.bus_id); + dev_name(&cdev->dev)); LCS_DBF_TEXT(2, trace, "ckirberr"); LCS_DBF_TEXT(2, trace, " rc???"); } @@ -1390,7 +1390,7 @@ lcs_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) cstat = irb->scsw.cstat; dstat = irb->scsw.dstat; - LCS_DBF_TEXT_(5, trace, "Rint%s",cdev->dev.bus_id); + LCS_DBF_TEXT_(5, trace, "Rint%s",dev_name(&cdev->dev)); LCS_DBF_TEXT_(5, trace, "%4x%4x",irb->scsw.cstat, irb->scsw.dstat); LCS_DBF_TEXT_(5, trace, "%4x%4x",irb->scsw.fctl, irb->scsw.actl); @@ -1398,7 +1398,7 @@ lcs_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) rc = lcs_get_problem(cdev, irb); if (rc || (dstat & DEV_STAT_UNIT_EXCEP)) { PRINT_WARN("check on device %s, dstat=0x%X, cstat=0x%X \n", - cdev->dev.bus_id, dstat, cstat); + dev_name(&cdev->dev), dstat, cstat); if (rc) { channel->state = LCS_CH_STATE_ERROR; } @@ -1461,7 +1461,7 @@ lcs_tasklet(unsigned long data) int rc; channel = (struct lcs_channel *) data; - LCS_DBF_TEXT_(5, trace, "tlet%s",channel->ccwdev->dev.bus_id); + LCS_DBF_TEXT_(5, trace, "tlet%s",dev_name(&channel->ccwdev->dev)); /* Check for processed buffers. */ iob = channel->iob; @@ -2244,7 +2244,7 @@ lcs_recovery(void *ptr) return 0; LCS_DBF_TEXT(4, trace, "recover2"); gdev = card->gdev; - PRINT_WARN("Recovery of device %s started...\n", gdev->dev.bus_id); + PRINT_WARN("Recovery of device %s started...\n", dev_name(&gdev->dev)); rc = __lcs_shutdown_device(gdev, 1); rc = lcs_new_device(gdev); if (!rc) diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c index e4ba6a0372ac..6dd816943d38 100644 --- a/drivers/s390/net/netiucv.c +++ b/drivers/s390/net/netiucv.c @@ -1422,7 +1422,7 @@ static ssize_t user_write(struct device *dev, struct device_attribute *attr, (ndev->flags & (IFF_UP | IFF_RUNNING))) { /* username changed while the interface is active. */ PRINT_WARN("netiucv: device %s active, connected to %s\n", - dev->bus_id, priv->conn->userid); + dev_name(dev), priv->conn->userid); PRINT_WARN("netiucv: user cannot be updated\n"); IUCV_DBF_TEXT(setup, 2, "user_write: device active\n"); return -EBUSY; @@ -1757,7 +1757,7 @@ static int netiucv_register_device(struct net_device *ndev) IUCV_DBF_TEXT(trace, 3, __func__); if (dev) { - snprintf(dev->bus_id, BUS_ID_SIZE, "net%s", ndev->name); + dev_set_name(dev, "net%s", ndev->name); dev->bus = &iucv_bus; dev->parent = iucv_root; /* diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index 699ac11debd8..62ec963a0be0 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -90,11 +90,11 @@ struct qeth_dbf_info { #define CARD_RDEV(card) card->read.ccwdev #define CARD_WDEV(card) card->write.ccwdev #define CARD_DDEV(card) card->data.ccwdev -#define CARD_BUS_ID(card) card->gdev->dev.bus_id -#define CARD_RDEV_ID(card) card->read.ccwdev->dev.bus_id -#define CARD_WDEV_ID(card) card->write.ccwdev->dev.bus_id -#define CARD_DDEV_ID(card) card->data.ccwdev->dev.bus_id -#define CHANNEL_ID(channel) channel->ccwdev->dev.bus_id +#define CARD_BUS_ID(card) dev_name(&card->gdev->dev) +#define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev) +#define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev) +#define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev) +#define CHANNEL_ID(channel) dev_name(&channel->ccwdev->dev) /** * card stuff diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 9a71dae223e8..b7cd8150fcfd 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -743,7 +743,7 @@ static int qeth_get_problem(struct ccw_device *cdev, struct irb *irb) SCHN_STAT_PROT_CHECK | SCHN_STAT_PROG_CHECK)) { QETH_DBF_TEXT(TRACE, 2, "CGENCHK"); PRINT_WARN("check on device %s, dstat=x%x, cstat=x%x ", - cdev->dev.bus_id, dstat, cstat); + dev_name(&cdev->dev), dstat, cstat); print_hex_dump(KERN_WARNING, "qeth: irb ", DUMP_PREFIX_OFFSET, 16, 1, irb, 64, 1); return 1; @@ -782,12 +782,12 @@ static long __qeth_check_irb_error(struct ccw_device *cdev, switch (PTR_ERR(irb)) { case -EIO: - PRINT_WARN("i/o-error on device %s\n", cdev->dev.bus_id); + PRINT_WARN("i/o-error on device %s\n", dev_name(&cdev->dev)); QETH_DBF_TEXT(TRACE, 2, "ckirberr"); QETH_DBF_TEXT_(TRACE, 2, " rc%d", -EIO); break; case -ETIMEDOUT: - PRINT_WARN("timeout on device %s\n", cdev->dev.bus_id); + PRINT_WARN("timeout on device %s\n", dev_name(&cdev->dev)); QETH_DBF_TEXT(TRACE, 2, "ckirberr"); QETH_DBF_TEXT_(TRACE, 2, " rc%d", -ETIMEDOUT); if (intparm == QETH_RCD_PARM) { @@ -801,7 +801,7 @@ static long __qeth_check_irb_error(struct ccw_device *cdev, break; default: PRINT_WARN("unknown error %ld on device %s\n", PTR_ERR(irb), - cdev->dev.bus_id); + dev_name(&cdev->dev)); QETH_DBF_TEXT(TRACE, 2, "ckirberr"); QETH_DBF_TEXT(TRACE, 2, " rc???"); } @@ -4073,7 +4073,7 @@ static int qeth_core_probe_device(struct ccwgroup_device *gdev) if (!get_device(dev)) return -ENODEV; - QETH_DBF_TEXT_(SETUP, 2, "%s", gdev->dev.bus_id); + QETH_DBF_TEXT_(SETUP, 2, "%s", dev_name(&gdev->dev)); card = qeth_alloc_card(); if (!card) { diff --git a/drivers/s390/s390_rdev.c b/drivers/s390/s390_rdev.c index 3c7145d9f9a1..64371c05a3b3 100644 --- a/drivers/s390/s390_rdev.c +++ b/drivers/s390/s390_rdev.c @@ -30,7 +30,7 @@ s390_root_dev_register(const char *name) dev = kzalloc(sizeof(struct device), GFP_KERNEL); if (!dev) return ERR_PTR(-ENOMEM); - strncpy(dev->bus_id, name, min(strlen(name), (size_t)BUS_ID_SIZE)); + dev_set_name(dev, name); dev->release = s390_root_dev_release; ret = device_register(dev); if (ret) { diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c index 8c7e2b778ef1..56021f49cf0e 100644 --- a/drivers/s390/scsi/zfcp_aux.c +++ b/drivers/s390/scsi/zfcp_aux.c @@ -839,7 +839,7 @@ zfcp_unit_enqueue(struct zfcp_port *port, fcp_lun_t fcp_lun) unit->fcp_lun = fcp_lun; /* setup for sysfs registration */ - snprintf(unit->sysfs_device.bus_id, BUS_ID_SIZE, "0x%016llx", fcp_lun); + dev_set_name(&unit->sysfs_device, "0x%016llx", fcp_lun); unit->sysfs_device.parent = &port->sysfs_device; unit->sysfs_device.release = zfcp_sysfs_unit_release; dev_set_drvdata(&unit->sysfs_device, unit); @@ -1066,8 +1066,7 @@ zfcp_adapter_enqueue(struct ccw_device *ccw_device) adapter->generic_services.parent = &adapter->ccw_device->dev; adapter->generic_services.release = zfcp_dummy_release; - snprintf(adapter->generic_services.bus_id, BUS_ID_SIZE, - "generic_services"); + dev_set_name(&adapter->generic_services, "generic_services"); if (device_register(&adapter->generic_services)) goto generic_services_failed; @@ -1218,24 +1217,19 @@ zfcp_port_enqueue(struct zfcp_adapter *adapter, wwn_t wwpn, u32 status, if (status & ZFCP_STATUS_PORT_WKA) { switch (d_id) { case ZFCP_DID_DIRECTORY_SERVICE: - snprintf(port->sysfs_device.bus_id, BUS_ID_SIZE, - "directory"); + dev_set_name(&port->sysfs_device, "directory"); break; case ZFCP_DID_MANAGEMENT_SERVICE: - snprintf(port->sysfs_device.bus_id, BUS_ID_SIZE, - "management"); + dev_set_name(&port->sysfs_device, "management"); break; case ZFCP_DID_KEY_DISTRIBUTION_SERVICE: - snprintf(port->sysfs_device.bus_id, BUS_ID_SIZE, - "key_distribution"); + dev_set_name(&port->sysfs_device, "key_distribution"); break; case ZFCP_DID_ALIAS_SERVICE: - snprintf(port->sysfs_device.bus_id, BUS_ID_SIZE, - "alias"); + dev_set_name(&port->sysfs_device, "alias"); break; case ZFCP_DID_TIME_SERVICE: - snprintf(port->sysfs_device.bus_id, BUS_ID_SIZE, - "time"); + dev_set_name(&port->sysfs_device, "time"); break; default: kfree(port); @@ -1244,8 +1238,7 @@ zfcp_port_enqueue(struct zfcp_adapter *adapter, wwn_t wwpn, u32 status, port->d_id = d_id; port->sysfs_device.parent = &adapter->generic_services; } else { - snprintf(port->sysfs_device.bus_id, - BUS_ID_SIZE, "0x%016llx", wwpn); + dev_set_name(&port->sysfs_device, "0x%016llx", wwpn); port->sysfs_device.parent = &adapter->ccw_device->dev; } port->sysfs_device.release = zfcp_sysfs_port_release; diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h index bda8c77b22da..69bc7446f7b7 100644 --- a/drivers/s390/scsi/zfcp_def.h +++ b/drivers/s390/scsi/zfcp_def.h @@ -870,7 +870,7 @@ struct zfcp_data { struct semaphore config_sema; /* serialises configuration changes */ atomic_t loglevel; /* current loglevel */ - char init_busid[BUS_ID_SIZE]; + char init_busid[20]; wwn_t init_wwpn; fcp_lun_t init_fcp_lun; char *driver_version; @@ -922,7 +922,7 @@ extern void _zfcp_hex_dump(char *, int); _zfcp_hex_dump(addr, count); \ } -#define zfcp_get_busid_by_adapter(adapter) (adapter->ccw_device->dev.bus_id) +#define zfcp_get_busid_by_adapter(adapter) (dev_name(&adapter->ccw_device->dev)) #define zfcp_get_busid_by_port(port) (zfcp_get_busid_by_adapter(port->adapter)) #define zfcp_get_busid_by_unit(unit) (zfcp_get_busid_by_port(unit->port)) diff --git a/drivers/sbus/sbus.c b/drivers/sbus/sbus.c index c37d7c2587ff..73a86d09bba8 100644 --- a/drivers/sbus/sbus.c +++ b/drivers/sbus/sbus.c @@ -78,7 +78,7 @@ static void __init fill_sbus_device(struct device_node *dp, struct sbus_dev *sde else sdev->ofdev.dev.parent = &sdev->bus->ofdev.dev; sdev->ofdev.dev.bus = &sbus_bus_type; - sprintf(sdev->ofdev.dev.bus_id, "sbus[%08x]", dp->node); + dev_set_name(&sdev->ofdev.dev, "sbus[%08x]", dp->node); if (of_device_register(&sdev->ofdev) != 0) printk(KERN_DEBUG "sbus: device registration error for %s!\n", @@ -257,11 +257,11 @@ static void __init build_one_sbus(struct device_node *dp, int num_sbus) sbus->ofdev.node = dp; sbus->ofdev.dev.parent = NULL; sbus->ofdev.dev.bus = &sbus_bus_type; - sprintf(sbus->ofdev.dev.bus_id, "sbus%d", num_sbus); + dev_set_name(&sbus->ofdev.dev, "sbus%d", num_sbus); if (of_device_register(&sbus->ofdev) != 0) printk(KERN_DEBUG "sbus: device registration error for %s!\n", - sbus->ofdev.dev.bus_id); + dev_name(&sbus->ofdev.dev)); dev_dp = dp->child; while (dev_dp) { diff --git a/drivers/scsi/aic94xx/aic94xx_sds.c b/drivers/scsi/aic94xx/aic94xx_sds.c index 4446e3d584dc..8630a75b2872 100644 --- a/drivers/scsi/aic94xx/aic94xx_sds.c +++ b/drivers/scsi/aic94xx/aic94xx_sds.c @@ -1093,9 +1093,9 @@ out: * @bytes_to_verify: total bytes to verify */ int asd_verify_flash_seg(struct asd_ha_struct *asd_ha, - void *src, u32 dest_offset, u32 bytes_to_verify) + const void *src, u32 dest_offset, u32 bytes_to_verify) { - u8 *src_buf; + const u8 *src_buf; u8 flash_char; int err; u32 nv_offset, reg, i; @@ -1105,7 +1105,7 @@ int asd_verify_flash_seg(struct asd_ha_struct *asd_ha, err = FLASH_OK; nv_offset = dest_offset; - src_buf = (u8 *)src; + src_buf = (const u8 *)src; for (i = 0; i < bytes_to_verify; i++) { flash_char = asd_read_reg_byte(asd_ha, reg + nv_offset + i); if (flash_char != src_buf[i]) { @@ -1124,9 +1124,9 @@ int asd_verify_flash_seg(struct asd_ha_struct *asd_ha, * @bytes_to_write: total bytes to write */ int asd_write_flash_seg(struct asd_ha_struct *asd_ha, - void *src, u32 dest_offset, u32 bytes_to_write) + const void *src, u32 dest_offset, u32 bytes_to_write) { - u8 *src_buf; + const u8 *src_buf; u32 nv_offset, reg, i; int err; @@ -1153,7 +1153,7 @@ int asd_write_flash_seg(struct asd_ha_struct *asd_ha, return err; } - src_buf = (u8 *)src; + src_buf = (const u8 *)src; for (i = 0; i < bytes_to_write; i++) { /* Setup program command sequence */ switch (asd_ha->hw_prof.flash.method) { diff --git a/drivers/scsi/aic94xx/aic94xx_sds.h b/drivers/scsi/aic94xx/aic94xx_sds.h index bb9795a04dc3..a06dc0114b8c 100644 --- a/drivers/scsi/aic94xx/aic94xx_sds.h +++ b/drivers/scsi/aic94xx/aic94xx_sds.h @@ -110,9 +110,9 @@ struct bios_file_header { }; int asd_verify_flash_seg(struct asd_ha_struct *asd_ha, - void *src, u32 dest_offset, u32 bytes_to_verify); + const void *src, u32 dest_offset, u32 bytes_to_verify); int asd_write_flash_seg(struct asd_ha_struct *asd_ha, - void *src, u32 dest_offset, u32 bytes_to_write); + const void *src, u32 dest_offset, u32 bytes_to_write); int asd_chk_write_status(struct asd_ha_struct *asd_ha, u32 sector_addr, u8 erase_flag); int asd_check_flash_type(struct asd_ha_struct *asd_ha); diff --git a/drivers/scsi/aic94xx/aic94xx_seq.c b/drivers/scsi/aic94xx/aic94xx_seq.c index f4272ac4c685..8f98e33155e9 100644 --- a/drivers/scsi/aic94xx/aic94xx_seq.c +++ b/drivers/scsi/aic94xx/aic94xx_seq.c @@ -46,7 +46,7 @@ static const struct firmware *sequencer_fw; static u16 cseq_vecs[CSEQ_NUM_VECS], lseq_vecs[LSEQ_NUM_VECS], mode2_task, cseq_idle_loop, lseq_idle_loop; -static u8 *cseq_code, *lseq_code; +static const u8 *cseq_code, *lseq_code; static u32 cseq_code_size, lseq_code_size; static u16 first_scb_site_no = 0xFFFF; @@ -1235,7 +1235,8 @@ int asd_release_firmware(void) static int asd_request_firmware(struct asd_ha_struct *asd_ha) { int err, i; - struct sequencer_file_header header, *hdr_ptr; + struct sequencer_file_header header; + const struct sequencer_file_header *hdr_ptr; u32 csum = 0; u16 *ptr_cseq_vecs, *ptr_lseq_vecs; @@ -1249,7 +1250,7 @@ static int asd_request_firmware(struct asd_ha_struct *asd_ha) if (err) return err; - hdr_ptr = (struct sequencer_file_header *)sequencer_fw->data; + hdr_ptr = (const struct sequencer_file_header *)sequencer_fw->data; header.csum = le32_to_cpu(hdr_ptr->csum); header.major = le32_to_cpu(hdr_ptr->major); diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c index 8508816f303d..d1944d5449f4 100644 --- a/drivers/scsi/dpt_i2o.c +++ b/drivers/scsi/dpt_i2o.c @@ -270,8 +270,8 @@ rebuild_sys_tab: pHba->initialized = TRUE; pHba->state &= ~DPTI_STATE_RESET; if (adpt_sysfs_class) { - struct device *dev = device_create(adpt_sysfs_class, - NULL, MKDEV(DPTI_I2O_MAJOR, pHba->unit), + struct device *dev = device_create_drvdata(adpt_sysfs_class, + NULL, MKDEV(DPTI_I2O_MAJOR, pHba->unit), NULL, "dpti%d", pHba->unit); if (IS_ERR(dev)) { printk(KERN_WARNING"dpti%d: unable to " diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c index c6457bfc8a49..b4414ba60b02 100644 --- a/drivers/scsi/hosts.c +++ b/drivers/scsi/hosts.c @@ -232,8 +232,8 @@ int scsi_add_host(struct Scsi_Host *shost, struct device *dev) } if (shost->transportt->create_work_queue) { - snprintf(shost->work_q_name, KOBJ_NAME_LEN, "scsi_wq_%d", - shost->host_no); + snprintf(shost->work_q_name, sizeof(shost->work_q_name), + "scsi_wq_%d", shost->host_no); shost->work_q = create_singlethread_workqueue( shost->work_q_name); if (!shost->work_q) { @@ -466,7 +466,8 @@ struct Scsi_Host *scsi_host_lookup(unsigned short hostnum) struct device *cdev; struct Scsi_Host *shost = ERR_PTR(-ENXIO); - cdev = class_find_device(&shost_class, &hostnum, __scsi_host_match); + cdev = class_find_device(&shost_class, NULL, &hostnum, + __scsi_host_match); if (cdev) { shost = scsi_host_get(class_to_shost(cdev)); put_device(cdev); diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c index 5fd64e70029d..a272b9a2c869 100644 --- a/drivers/scsi/scsi_transport_fc.c +++ b/drivers/scsi/scsi_transport_fc.c @@ -417,15 +417,16 @@ static int fc_host_setup(struct transport_container *tc, struct device *dev, fc_host->next_vport_number = 0; fc_host->npiv_vports_inuse = 0; - snprintf(fc_host->work_q_name, KOBJ_NAME_LEN, "fc_wq_%d", - shost->host_no); + snprintf(fc_host->work_q_name, sizeof(fc_host->work_q_name), + "fc_wq_%d", shost->host_no); fc_host->work_q = create_singlethread_workqueue( fc_host->work_q_name); if (!fc_host->work_q) return -ENOMEM; - snprintf(fc_host->devloss_work_q_name, KOBJ_NAME_LEN, "fc_dl_%d", - shost->host_no); + snprintf(fc_host->devloss_work_q_name, + sizeof(fc_host->devloss_work_q_name), + "fc_dl_%d", shost->host_no); fc_host->devloss_work_q = create_singlethread_workqueue( fc_host->devloss_work_q_name); if (!fc_host->devloss_work_q) { diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index 65d1737eb664..43b824892640 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -131,8 +131,8 @@ static int iscsi_setup_host(struct transport_container *tc, struct device *dev, mutex_init(&ihost->mutex); atomic_set(&ihost->nr_scans, 0); - snprintf(ihost->scan_workq_name, KOBJ_NAME_LEN, "iscsi_scan_%d", - shost->host_no); + snprintf(ihost->scan_workq_name, sizeof(ihost->scan_workq_name), + "iscsi_scan_%d", shost->host_no); ihost->scan_workq = create_singlethread_workqueue( ihost->scan_workq_name); if (!ihost->scan_workq) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 1ad12afc6ba0..1771b2456bfa 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -502,7 +502,7 @@ struct spi_master *spi_busnum_to_master(u16 bus_num) struct device *dev; struct spi_master *master = NULL; - dev = class_find_device(&spi_master_class, &bus_num, + dev = class_find_device(&spi_master_class, NULL, &bus_num, __spi_master_match); if (dev) master = container_of(dev, struct spi_master, dev); diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index 799337f7fde1..55b58ea40273 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -575,7 +575,8 @@ static int spidev_probe(struct spi_device *spi) struct device *dev; spidev->devt = MKDEV(SPIDEV_MAJOR, minor); - dev = device_create(spidev_class, &spi->dev, spidev->devt, + dev = device_create_drvdata(spidev_class, &spi->dev, + spidev->devt, spidev, "spidev%d.%d", spi->master->bus_num, spi->chip_select); status = IS_ERR(dev) ? PTR_ERR(dev) : 0; @@ -585,7 +586,6 @@ static int spidev_probe(struct spi_device *spi) } if (status == 0) { set_bit(minor, minors); - spi_set_drvdata(spi, spidev); list_add(&spidev->device_entry, &device_list); } mutex_unlock(&device_list_lock); diff --git a/drivers/uio/Kconfig b/drivers/uio/Kconfig index a4aaab9c7ddc..2e9079df26b3 100644 --- a/drivers/uio/Kconfig +++ b/drivers/uio/Kconfig @@ -15,7 +15,7 @@ if UIO config UIO_CIF tristate "generic Hilscher CIF Card driver" - depends on UIO && PCI + depends on PCI default n help Driver for Hilscher CIF DeviceNet and Profibus cards. This @@ -26,9 +26,15 @@ config UIO_CIF To compile this driver as a module, choose M here: the module will be called uio_cif. +config UIO_PDRV + tristate "Userspace I/O platform driver" + help + Generic platform driver for Userspace I/O devices. + + If you don't know what to do here, say N. + config UIO_SMX tristate "SMX cryptengine UIO interface" - depends on UIO default n help Userspace IO interface to the Cryptography engine found on the diff --git a/drivers/uio/Makefile b/drivers/uio/Makefile index 18c45662431e..e00ce0def1a0 100644 --- a/drivers/uio/Makefile +++ b/drivers/uio/Makefile @@ -1,3 +1,4 @@ obj-$(CONFIG_UIO) += uio.o obj-$(CONFIG_UIO_CIF) += uio_cif.o +obj-$(CONFIG_UIO_PDRV) += uio_pdrv.o obj-$(CONFIG_UIO_SMX) += uio_smx.o diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c index 0a12e90ad416..626b58ebf188 100644 --- a/drivers/uio/uio.c +++ b/drivers/uio/uio.c @@ -420,6 +420,31 @@ static ssize_t uio_read(struct file *filep, char __user *buf, return retval; } +static ssize_t uio_write(struct file *filep, const char __user *buf, + size_t count, loff_t *ppos) +{ + struct uio_listener *listener = filep->private_data; + struct uio_device *idev = listener->dev; + ssize_t retval; + s32 irq_on; + + if (idev->info->irq == UIO_IRQ_NONE) + return -EIO; + + if (count != sizeof(s32)) + return -EINVAL; + + if (!idev->info->irqcontrol) + return -ENOSYS; + + if (copy_from_user(&irq_on, buf, count)) + return -EFAULT; + + retval = idev->info->irqcontrol(idev->info, irq_on); + + return retval ? retval : sizeof(s32); +} + static int uio_find_mem_index(struct vm_area_struct *vma) { int mi; @@ -539,6 +564,7 @@ static const struct file_operations uio_fops = { .open = uio_open, .release = uio_release, .read = uio_read, + .write = uio_write, .mmap = uio_mmap, .poll = uio_poll, .fasync = uio_fasync, diff --git a/drivers/uio/uio_pdrv.c b/drivers/uio/uio_pdrv.c new file mode 100644 index 000000000000..5d0d2e85d982 --- /dev/null +++ b/drivers/uio/uio_pdrv.c @@ -0,0 +1,118 @@ +/* + * drivers/uio/uio_pdrv.c + * + * Copyright (C) 2008 by Digi International Inc. + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + */ +#include <linux/platform_device.h> +#include <linux/uio_driver.h> +#include <linux/stringify.h> + +#define DRIVER_NAME "uio" + +struct uio_platdata { + struct uio_info *uioinfo; +}; + +static int uio_pdrv_probe(struct platform_device *pdev) +{ + struct uio_info *uioinfo = pdev->dev.platform_data; + struct uio_platdata *pdata; + struct uio_mem *uiomem; + int ret = -ENODEV; + int i; + + if (!uioinfo || !uioinfo->name || !uioinfo->version) { + dev_dbg(&pdev->dev, "%s: err_uioinfo\n", __func__); + goto err_uioinfo; + } + + pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); + if (!pdata) { + ret = -ENOMEM; + dev_dbg(&pdev->dev, "%s: err_alloc_pdata\n", __func__); + goto err_alloc_pdata; + } + + pdata->uioinfo = uioinfo; + + uiomem = &uioinfo->mem[0]; + + for (i = 0; i < pdev->num_resources; ++i) { + struct resource *r = &pdev->resource[i]; + + if (r->flags != IORESOURCE_MEM) + continue; + + if (uiomem >= &uioinfo->mem[MAX_UIO_MAPS]) { + dev_warn(&pdev->dev, "device has more than " + __stringify(MAX_UIO_MAPS) + " I/O memory resources.\n"); + break; + } + + uiomem->memtype = UIO_MEM_PHYS; + uiomem->addr = r->start; + uiomem->size = r->end - r->start + 1; + ++uiomem; + } + + while (uiomem < &uioinfo->mem[MAX_UIO_MAPS]) { + uiomem->size = 0; + ++uiomem; + } + + pdata->uioinfo->priv = pdata; + + ret = uio_register_device(&pdev->dev, pdata->uioinfo); + + if (ret) { + kfree(pdata); +err_alloc_pdata: +err_uioinfo: + return ret; + } + + platform_set_drvdata(pdev, pdata); + + return 0; +} + +static int uio_pdrv_remove(struct platform_device *pdev) +{ + struct uio_platdata *pdata = platform_get_drvdata(pdev); + + uio_unregister_device(pdata->uioinfo); + + return 0; +} + +static struct platform_driver uio_pdrv = { + .probe = uio_pdrv_probe, + .remove = uio_pdrv_remove, + .driver = { + .name = DRIVER_NAME, + .owner = THIS_MODULE, + }, +}; + +static int __init uio_pdrv_init(void) +{ + return platform_driver_register(&uio_pdrv); +} + +static void __exit uio_pdrv_exit(void) +{ + platform_driver_unregister(&uio_pdrv); +} +module_init(uio_pdrv_init); +module_exit(uio_pdrv_exit); + +MODULE_AUTHOR("Uwe Kleine-Koenig"); +MODULE_DESCRIPTION("Userspace I/O platform driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:" DRIVER_NAME); diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c index 5ea3093bc40f..90583d6a5949 100644 --- a/drivers/usb/atm/cxacru.c +++ b/drivers/usb/atm/cxacru.c @@ -820,7 +820,7 @@ reschedule: } static int cxacru_fw(struct usb_device *usb_dev, enum cxacru_fw_request fw, - u8 code1, u8 code2, u32 addr, u8 *data, int size) + u8 code1, u8 code2, u32 addr, const u8 *data, int size) { int ret; u8 *buf; diff --git a/drivers/usb/atm/ueagle-atm.c b/drivers/usb/atm/ueagle-atm.c index 5f71ff3aee35..cb01b5106efd 100644 --- a/drivers/usb/atm/ueagle-atm.c +++ b/drivers/usb/atm/ueagle-atm.c @@ -579,7 +579,7 @@ MODULE_PARM_DESC(annex, * uea_send_modem_cmd - Send a command for pre-firmware devices. */ static int uea_send_modem_cmd(struct usb_device *usb, - u16 addr, u16 size, u8 * buff) + u16 addr, u16 size, const u8 *buff) { int ret = -ENOMEM; u8 *xfer_buff; @@ -604,7 +604,8 @@ static int uea_send_modem_cmd(struct usb_device *usb, static void uea_upload_pre_firmware(const struct firmware *fw_entry, void *context) { struct usb_device *usb = context; - u8 *pfw, value; + const u8 *pfw; + u8 value; u32 crc = 0; int ret, size; @@ -720,7 +721,7 @@ static int uea_load_firmware(struct usb_device *usb, unsigned int ver) /* * Make sure that the DSP code provided is safe to use. */ -static int check_dsp_e1(u8 *dsp, unsigned int len) +static int check_dsp_e1(const u8 *dsp, unsigned int len) { u8 pagecount, blockcount; u16 blocksize; @@ -771,7 +772,7 @@ static int check_dsp_e1(u8 *dsp, unsigned int len) return 0; } -static int check_dsp_e4(u8 *dsp, int len) +static int check_dsp_e4(const u8 *dsp, int len) { int i; struct l1_code *p = (struct l1_code *) dsp; @@ -819,7 +820,7 @@ static int check_dsp_e4(u8 *dsp, int len) /* * send data to the idma pipe * */ -static int uea_idma_write(struct uea_softc *sc, void *data, u32 size) +static int uea_idma_write(struct uea_softc *sc, const void *data, u32 size) { int ret = -ENOMEM; u8 *xfer_buff; @@ -903,7 +904,7 @@ static void uea_load_page_e1(struct work_struct *work) u16 ovl = sc->ovl; struct block_info_e1 bi; - u8 *p; + const u8 *p; u8 pagecount, blockcount; u16 blockaddr, blocksize; u32 pageoffset; @@ -986,7 +987,7 @@ static void __uea_load_page_e4(struct uea_softc *sc, u8 pageno, int boot) bi.wReserved = cpu_to_be16(UEA_RESERVED); do { - u8 *blockoffset; + const u8 *blockoffset; unsigned int blocksize; blockidx = &p->page_header[blockno]; @@ -1095,7 +1096,7 @@ static inline int wait_cmv_ack(struct uea_softc *sc) #define UCDC_SEND_ENCAPSULATED_COMMAND 0x00 static int uea_request(struct uea_softc *sc, - u16 value, u16 index, u16 size, void *data) + u16 value, u16 index, u16 size, const void *data) { u8 *xfer_buff; int ret = -ENOMEM; @@ -1891,7 +1892,8 @@ static int load_XILINX_firmware(struct uea_softc *sc) { const struct firmware *fw_entry; int ret, size, u, ln; - u8 *pfw, value; + const u8 *pfw; + u8 value; char *fw_name = FW_DIR "930-fpga.bin"; uea_enters(INS_TO_USBDEV(sc)); diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index de17738f3acb..096cea41ee34 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -1687,9 +1687,13 @@ static int usb_classdev_add(struct usb_device *dev) { int minor = ((dev->bus->busnum-1) * 128) + (dev->devnum-1); - dev->usb_classdev = device_create(usb_classdev_class, &dev->dev, - MKDEV(USB_DEVICE_MAJOR, minor), - "usbdev%d.%d", dev->bus->busnum, dev->devnum); + dev->usb_classdev = device_create_drvdata(usb_classdev_class, + &dev->dev, + MKDEV(USB_DEVICE_MAJOR, + minor), NULL, + "usbdev%d.%d", + dev->bus->busnum, + dev->devnum); if (IS_ERR(dev->usb_classdev)) return PTR_ERR(dev->usb_classdev); @@ -1748,6 +1752,11 @@ int __init usb_devio_init(void) usb_classdev_class = NULL; goto out; } + /* devices of this class shadow the major:minor of their parent + * device, so clear ->dev_kobj to prevent adding duplicate entries + * to /sys/dev + */ + usb_classdev_class->dev_kobj = NULL; usb_register_notify(&usbdev_nb); #endif diff --git a/drivers/usb/core/file.c b/drivers/usb/core/file.c index 8133c99c6c5c..1ec4a677198b 100644 --- a/drivers/usb/core/file.c +++ b/drivers/usb/core/file.c @@ -193,8 +193,9 @@ int usb_register_dev(struct usb_interface *intf, ++temp; else temp = name; - intf->usb_dev = device_create(usb_class->class, &intf->dev, - MKDEV(USB_MAJOR, minor), "%s", temp); + intf->usb_dev = device_create_drvdata(usb_class->class, &intf->dev, + MKDEV(USB_MAJOR, minor), NULL, + "%s", temp); if (IS_ERR(intf->usb_dev)) { down_write(&minor_rwsem); usb_minors[intf->minor] = NULL; diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c index 76be75e3ab8f..ab9a49396b77 100644 --- a/drivers/usb/gadget/printer.c +++ b/drivers/usb/gadget/printer.c @@ -1360,8 +1360,8 @@ printer_bind(struct usb_gadget *gadget) /* Setup the sysfs files for the printer gadget. */ - dev->pdev = device_create(usb_gadget_class, NULL, g_printer_devno, - "g_printer"); + dev->pdev = device_create_drvdata(usb_gadget_class, NULL, + g_printer_devno, NULL, "g_printer"); if (IS_ERR(dev->pdev)) { ERROR(dev, "Failed to create device: g_printer\n"); goto fail; diff --git a/drivers/usb/misc/isight_firmware.c b/drivers/usb/misc/isight_firmware.c index 9f30aa1f8a5d..d94aa7387608 100644 --- a/drivers/usb/misc/isight_firmware.c +++ b/drivers/usb/misc/isight_firmware.c @@ -41,7 +41,7 @@ static int isight_firmware_load(struct usb_interface *intf, const struct firmware *firmware; unsigned char *buf = kmalloc(50, GFP_KERNEL); unsigned char data[4]; - u8 *ptr; + const u8 *ptr; if (!buf) return -ENOMEM; diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c index 49145534e06e..5f7d7e283fc1 100644 --- a/drivers/usb/mon/mon_bin.c +++ b/drivers/usb/mon/mon_bin.c @@ -1156,8 +1156,9 @@ int mon_bin_add(struct mon_bus *mbus, const struct usb_bus *ubus) if (minor >= MON_BIN_MAX_MINOR) return 0; - dev = device_create(mon_bin_class, ubus? ubus->controller: NULL, - MKDEV(MAJOR(mon_bin_dev0), minor), "usbmon%d", minor); + dev = device_create_drvdata(mon_bin_class, ubus? ubus->controller: NULL, + MKDEV(MAJOR(mon_bin_dev0), minor), NULL, + "usbmon%d", minor); if (IS_ERR(dev)) return 0; diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c index 24ee96c4e9e9..07b6addbb3c1 100644 --- a/drivers/video/aty/aty128fb.c +++ b/drivers/video/aty/aty128fb.c @@ -1872,7 +1872,7 @@ static int __devinit aty128_init(struct pci_dev *pdev, const struct pci_device_i struct fb_info *info = pci_get_drvdata(pdev); struct aty128fb_par *par = info->par; struct fb_var_screeninfo var; - char video_card[DEVICE_NAME_SIZE]; + char video_card[50]; u8 chip_rev; u32 dac; diff --git a/drivers/video/aty/radeonfb.h b/drivers/video/aty/radeonfb.h index c347e38cd0b0..ccbfffd12805 100644 --- a/drivers/video/aty/radeonfb.h +++ b/drivers/video/aty/radeonfb.h @@ -289,7 +289,7 @@ struct radeonfb_info { struct radeon_regs state; struct radeon_regs init_state; - char name[DEVICE_NAME_SIZE]; + char name[50]; unsigned long mmio_base_phys; unsigned long fb_base_phys; diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c index 97aff8db10bf..4be3b46c069b 100644 --- a/drivers/video/console/fbcon.c +++ b/drivers/video/console/fbcon.c @@ -3586,7 +3586,8 @@ static int __init fb_console_init(void) acquire_console_sem(); fb_register_client(&fbcon_event_notifier); - fbcon_device = device_create(fb_class, NULL, MKDEV(0, 0), "fbcon"); + fbcon_device = device_create_drvdata(fb_class, NULL, MKDEV(0, 0), + NULL, "fbcon"); if (IS_ERR(fbcon_device)) { printk(KERN_WARNING "Unable to create device " diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index 776f7fcd2fbf..971ef551cfcd 100644 --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -1432,8 +1432,9 @@ register_framebuffer(struct fb_info *fb_info) break; fb_info->node = i; - fb_info->dev = device_create(fb_class, fb_info->device, - MKDEV(FB_MAJOR, i), "fb%d", i); + fb_info->dev = device_create_drvdata(fb_class, fb_info->device, + MKDEV(FB_MAJOR, i), NULL, + "fb%d", i); if (IS_ERR(fb_info->dev)) { /* Not fatal */ printk(KERN_WARNING "Unable to create device for framebuffer %d; errno = %ld\n", i, PTR_ERR(fb_info->dev)); diff --git a/fs/coda/psdev.c b/fs/coda/psdev.c index e3eb3556622b..40c36f7352a6 100644 --- a/fs/coda/psdev.c +++ b/fs/coda/psdev.c @@ -362,8 +362,9 @@ static int init_coda_psdev(void) goto out_chrdev; } for (i = 0; i < MAX_CODADEVS; i++) - device_create(coda_psdev_class, NULL, - MKDEV(CODA_PSDEV_MAJOR,i), "cfs%d", i); + device_create_drvdata(coda_psdev_class, NULL, + MKDEV(CODA_PSDEV_MAJOR, i), + NULL, "cfs%d", i); coda_sysctl_init(); goto out; diff --git a/fs/partitions/check.c b/fs/partitions/check.c index 6149e4b58c88..efef715135d3 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -401,7 +401,7 @@ void register_disk(struct gendisk *disk) disk->dev.parent = disk->driverfs_dev; disk->dev.devt = MKDEV(disk->major, disk->first_minor); - strlcpy(disk->dev.bus_id, disk->disk_name, KOBJ_NAME_LEN); + strlcpy(disk->dev.bus_id, disk->disk_name, BUS_ID_SIZE); /* ewww... some of these buggers have / in the name... */ s = strchr(disk->dev.bus_id, '/'); if (s) diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c index e7735f643cd1..15ff679079a7 100644 --- a/fs/sysfs/file.c +++ b/fs/sysfs/file.c @@ -14,14 +14,23 @@ #include <linux/kobject.h> #include <linux/kallsyms.h> #include <linux/slab.h> +#include <linux/fsnotify.h> #include <linux/namei.h> #include <linux/poll.h> #include <linux/list.h> #include <linux/mutex.h> +#include <linux/limits.h> #include <asm/uaccess.h> #include "sysfs.h" +/* used in crash dumps to help with debugging */ +static char last_sysfs_file[PATH_MAX]; +void sysfs_printk_last_file(void) +{ + printk(KERN_EMERG "last sysfs file: %s\n", last_sysfs_file); +} + /* * There's one sysfs_buffer for each open file and one * sysfs_open_dirent for each sysfs_dirent with one or more open @@ -327,6 +336,11 @@ static int sysfs_open_file(struct inode *inode, struct file *file) struct sysfs_buffer *buffer; struct sysfs_ops *ops; int error = -EACCES; + char *p; + + p = d_path(&file->f_path, last_sysfs_file, sizeof(last_sysfs_file)); + if (p) + memmove(last_sysfs_file, p, strlen(p) + 1); /* need attr_sd for attr and ops, its parent for kobj */ if (!sysfs_get_active_two(attr_sd)) @@ -585,9 +599,11 @@ int sysfs_chmod_file(struct kobject *kobj, struct attribute *attr, mode_t mode) newattrs.ia_mode = (mode & S_IALLUGO) | (inode->i_mode & ~S_IALLUGO); newattrs.ia_valid = ATTR_MODE | ATTR_CTIME; - rc = notify_change(victim, &newattrs); + newattrs.ia_ctime = current_fs_time(inode->i_sb); + rc = sysfs_setattr(victim, &newattrs); if (rc == 0) { + fsnotify_change(victim, newattrs.ia_valid); mutex_lock(&sysfs_mutex); victim_sd->s_mode = newattrs.ia_mode; mutex_unlock(&sysfs_mutex); diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c index 14f0023984d7..9f328d2420e7 100644 --- a/fs/sysfs/mount.c +++ b/fs/sysfs/mount.c @@ -22,7 +22,7 @@ /* Random magic number */ #define SYSFS_MAGIC 0x62656572 -static struct vfsmount *sysfs_mount; +struct vfsmount *sysfs_mount; struct super_block * sysfs_sb = NULL; struct kmem_cache *sysfs_dir_cachep; diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h index ce4e15f8aaeb..2915959a4499 100644 --- a/fs/sysfs/sysfs.h +++ b/fs/sysfs/sysfs.h @@ -91,6 +91,7 @@ struct sysfs_addrm_cxt { extern struct sysfs_dirent sysfs_root; extern struct super_block *sysfs_sb; extern struct kmem_cache *sysfs_dir_cachep; +extern struct vfsmount *sysfs_mount; /* * dir.c diff --git a/include/linux/device.h b/include/linux/device.h index 6a2d04c011bc..d9886a6166b4 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -16,6 +16,7 @@ #include <linux/kobject.h> #include <linux/klist.h> #include <linux/list.h> +#include <linux/lockdep.h> #include <linux/compiler.h> #include <linux/types.h> #include <linux/module.h> @@ -24,17 +25,13 @@ #include <asm/atomic.h> #include <asm/device.h> -#define DEVICE_NAME_SIZE 50 -/* DEVICE_NAME_HALF is really less than half to accommodate slop */ -#define DEVICE_NAME_HALF __stringify(20) -#define DEVICE_ID_SIZE 32 -#define BUS_ID_SIZE KOBJ_NAME_LEN - +#define BUS_ID_SIZE 20 struct device; struct device_driver; struct driver_private; struct class; +struct class_private; struct bus_type; struct bus_type_private; @@ -182,13 +179,9 @@ struct class { const char *name; struct module *owner; - struct kset subsys; - struct list_head devices; - struct list_head interfaces; - struct kset class_dirs; - struct semaphore sem; /* locks children, devices, interfaces */ struct class_attribute *class_attrs; struct device_attribute *dev_attrs; + struct kobject *dev_kobj; int (*dev_uevent)(struct device *dev, struct kobj_uevent_env *env); @@ -197,13 +190,29 @@ struct class { int (*suspend)(struct device *dev, pm_message_t state); int (*resume)(struct device *dev); + + struct class_private *p; }; -extern int __must_check class_register(struct class *class); +extern struct kobject *sysfs_dev_block_kobj; +extern struct kobject *sysfs_dev_char_kobj; +extern int __must_check __class_register(struct class *class, + struct lock_class_key *key); extern void class_unregister(struct class *class); -extern int class_for_each_device(struct class *class, void *data, + +/* This is a #define to keep the compiler from merging different + * instances of the __key variable */ +#define class_register(class) \ +({ \ + static struct lock_class_key __key; \ + __class_register(class, &__key); \ +}) + +extern int class_for_each_device(struct class *class, struct device *start, + void *data, int (*fn)(struct device *dev, void *data)); -extern struct device *class_find_device(struct class *class, void *data, +extern struct device *class_find_device(struct class *class, + struct device *start, void *data, int (*match)(struct device *, void *)); struct class_attribute { @@ -231,9 +240,19 @@ struct class_interface { extern int __must_check class_interface_register(struct class_interface *); extern void class_interface_unregister(struct class_interface *); -extern struct class *class_create(struct module *owner, const char *name); +extern struct class * __must_check __class_create(struct module *owner, + const char *name, + struct lock_class_key *key); extern void class_destroy(struct class *cls); +/* This is a #define to keep the compiler from merging different + * instances of the __key variable */ +#define class_create(owner, name) \ +({ \ + static struct lock_class_key __key; \ + __class_create(owner, name, &__key); \ +}) + /* * The type of device, "struct device" is embedded in. A class * or bus can contain devices of different types @@ -458,9 +477,6 @@ extern struct device *device_create_vargs(struct class *cls, void *drvdata, const char *fmt, va_list vargs); -extern struct device *device_create(struct class *cls, struct device *parent, - dev_t devt, const char *fmt, ...) - __attribute__((format(printf, 4, 5))); extern struct device *device_create_drvdata(struct class *cls, struct device *parent, dev_t devt, diff --git a/include/linux/eisa.h b/include/linux/eisa.h index fe806b6f030d..e61c0be2a459 100644 --- a/include/linux/eisa.h +++ b/include/linux/eisa.h @@ -40,7 +40,7 @@ struct eisa_device { u64 dma_mask; struct device dev; /* generic device */ #ifdef CONFIG_EISA_NAMES - char pretty_name[DEVICE_NAME_SIZE]; + char pretty_name[50]; #endif }; diff --git a/include/linux/firmware.h b/include/linux/firmware.h index 4d10c7328d2d..5e73f3f896e8 100644 --- a/include/linux/firmware.h +++ b/include/linux/firmware.h @@ -8,7 +8,7 @@ struct firmware { size_t size; - u8 *data; + const u8 *data; }; struct device; diff --git a/include/linux/init.h b/include/linux/init.h index 21d658cdfa27..b1ed48ddf73f 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -142,6 +142,7 @@ extern initcall_t __security_initcall_start[], __security_initcall_end[]; extern char __initdata boot_command_line[]; extern char *saved_command_line; extern unsigned int reset_devices; +extern int initmem_now_dynamic; /* used by init/main.c */ void setup_arch(char **); diff --git a/include/linux/kobject.h b/include/linux/kobject.h index 39e709f88aa0..60f0d418ae32 100644 --- a/include/linux/kobject.h +++ b/include/linux/kobject.h @@ -26,7 +26,6 @@ #include <linux/wait.h> #include <asm/atomic.h> -#define KOBJ_NAME_LEN 20 #define UEVENT_HELPER_PATH_LEN 256 #define UEVENT_NUM_ENVP 32 /* number of env pointers */ #define UEVENT_BUFFER_SIZE 2048 /* buffer for the variables */ @@ -59,12 +58,12 @@ enum kobject_action { struct kobject { const char *name; - struct kref kref; struct list_head entry; struct kobject *parent; struct kset *kset; struct kobj_type *ktype; struct sysfs_dirent *sd; + struct kref kref; unsigned int state_initialized:1; unsigned int state_in_sysfs:1; unsigned int state_add_uevent_sent:1; diff --git a/include/linux/pci.h b/include/linux/pci.h index d18b1dd49fab..6b0c3ae9bf81 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -977,9 +977,9 @@ static inline void pci_set_drvdata(struct pci_dev *pdev, void *data) /* If you want to know what to call your pci_dev, ask this function. * Again, it's a wrapper around the generic device. */ -static inline char *pci_name(struct pci_dev *pdev) +static inline const char *pci_name(struct pci_dev *pdev) { - return pdev->dev.bus_id; + return dev_name(&pdev->dev); } diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 387e428f1cdf..b9a76c972084 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -733,7 +733,7 @@ struct spi_board_info { * controller_data goes to spi_device.controller_data, * irq is copied too */ - char modalias[KOBJ_NAME_LEN]; + char modalias[32]; const void *platform_data; void *controller_data; int irq; diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index 6e61033e0e04..84d92bb06333 100644 --- a/include/linux/sysfs.h +++ b/include/linux/sysfs.h @@ -117,6 +117,7 @@ void sysfs_remove_file_from_group(struct kobject *kobj, const struct attribute *attr, const char *group); void sysfs_notify(struct kobject *kobj, char *dir, char *attr); +void sysfs_printk_last_file(void); extern int __must_check sysfs_init(void); @@ -223,6 +224,10 @@ static inline int __must_check sysfs_init(void) return 0; } +static inline void sysfs_printk_last_file(void) +{ +} + #endif /* CONFIG_SYSFS */ #endif /* _SYSFS_H_ */ diff --git a/include/linux/uio_driver.h b/include/linux/uio_driver.h index 973386d439da..cdf338d94b7f 100644 --- a/include/linux/uio_driver.h +++ b/include/linux/uio_driver.h @@ -36,7 +36,7 @@ struct uio_mem { struct uio_map *map; }; -#define MAX_UIO_MAPS 5 +#define MAX_UIO_MAPS 5 struct uio_device; @@ -53,6 +53,7 @@ struct uio_device; * @mmap: mmap operation for this uio device * @open: open operation for this uio device * @release: release operation for this uio device + * @irqcontrol: disable/enable irqs when 0/1 is written to /dev/uioX */ struct uio_info { struct uio_device *uio_dev; @@ -66,6 +67,7 @@ struct uio_info { int (*mmap)(struct uio_info *info, struct vm_area_struct *vma); int (*open)(struct uio_info *info, struct inode *inode); int (*release)(struct uio_info *info, struct inode *inode); + int (*irqcontrol)(struct uio_info *info, s32 irq_on); }; extern int __must_check @@ -80,11 +82,11 @@ static inline int __must_check extern void uio_unregister_device(struct uio_info *info); extern void uio_event_notify(struct uio_info *info); -/* defines for uio_device->irq */ +/* defines for uio_info->irq */ #define UIO_IRQ_CUSTOM -1 #define UIO_IRQ_NONE -2 -/* defines for uio_device->memtype */ +/* defines for uio_mem->memtype */ #define UIO_MEM_NONE 0 #define UIO_MEM_PHYS 1 #define UIO_MEM_LOGICAL 2 diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index 1834fdfe82a7..a594bac4a77d 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -623,7 +623,7 @@ struct Scsi_Host { /* * Optional work queue to be utilized by the transport */ - char work_q_name[KOBJ_NAME_LEN]; + char work_q_name[20]; struct workqueue_struct *work_q; /* diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h index 06f72bab9df0..878373c32ef7 100644 --- a/include/scsi/scsi_transport_fc.h +++ b/include/scsi/scsi_transport_fc.h @@ -489,9 +489,9 @@ struct fc_host_attrs { u16 npiv_vports_inuse; /* work queues for rport state manipulation */ - char work_q_name[KOBJ_NAME_LEN]; + char work_q_name[20]; struct workqueue_struct *work_q; - char devloss_work_q_name[KOBJ_NAME_LEN]; + char devloss_work_q_name[20]; struct workqueue_struct *devloss_work_q; }; diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h index aab1eae2ec4c..5f520accba6e 100644 --- a/include/scsi/scsi_transport_iscsi.h +++ b/include/scsi/scsi_transport_iscsi.h @@ -208,7 +208,7 @@ struct iscsi_host { atomic_t nr_scans; struct mutex mutex; struct workqueue_struct *scan_workq; - char scan_workq_name[KOBJ_NAME_LEN]; + char scan_workq_name[20]; }; /* diff --git a/init/main.c b/init/main.c index f7fb20021d48..f4f997e7da74 100644 --- a/init/main.c +++ b/init/main.c @@ -791,12 +791,21 @@ static void run_init_process(char *init_filename) kernel_execve(init_filename, argv_init, envp_init); } +/* + * __init/__init_data sections are turned into normal + * dynamically allocated memory later in boot. When + * this is 0, the memory is for the __init purposes, + * when it it some other value, the memory is dynamic. + */ +int initmem_now_dynamic; + /* This is a non __init function. Force it to be noinline otherwise gcc * makes it inline to init() and it becomes part of init.text section */ static int noinline init_post(void) { free_initmem(); + initmem_now_dynamic = 1; unlock_kernel(); mark_rodata_ro(); system_state = SYSTEM_RUNNING; diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index d2099f41aa1e..8f9e6b6d1799 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -74,6 +74,9 @@ config DEBUG_FS debugging files into. Enable this option to be able to read and write to these files. + For detailed documentation on the debugfs API, see + Documentation/DocBook/filesystems. + If unsure, say N. config HEADERS_CHECK diff --git a/lib/kobject.c b/lib/kobject.c index c7fb09238092..829b83915626 100644 --- a/lib/kobject.c +++ b/lib/kobject.c @@ -17,6 +17,57 @@ #include <linux/module.h> #include <linux/stat.h> #include <linux/slab.h> +#include <linux/kallsyms.h> +#include <asm-generic/sections.h> + +#ifdef CONFIG_X86_32 +static int ptr_in_range(void *ptr, void *start, void *end) +{ + /* + * This should hopefully get rid of causing warnings + * if the architecture did not set one of the section + * variables up. + */ + if (start >= end) + return 0; + + if ((ptr >= start) && (ptr < end)) + return 1; + return 0; +} + +static void verify_dynamic_kobject_allocation(struct kobject *kobj) +{ + char *namebuf; + const char *ret; + + namebuf = kzalloc(KSYM_NAME_LEN, GFP_KERNEL); + ret = kallsyms_lookup((unsigned long)kobj, NULL, NULL, NULL, + namebuf); + /* + * This is the X86_32-only part of this function. + * This is here because it is valid to have a kobject + * in an __init section, but only after those + * sections have been freed back to the dynamic pool. + */ + if (!initmem_now_dynamic && + ptr_in_range(kobj, __init_begin, __init_end)) + goto out; + if (!ret || !strlen(ret)) + goto out; + pr_debug("---- begin silly warning ----\n"); + pr_debug("This is a janitorial warning, not a kernel bug.\n"); + pr_debug("The kobject '%s', at, or inside '%s'@(0x%p) is not " + "dynamically allocated.\n", kobject_name(kobj), namebuf, kobj); + pr_debug("kobjects must be dynamically allocated, not static\n"); + /* dump_stack(); */ + pr_debug("---- end silly warning ----\n"); +out: + kfree(namebuf); +} +#else +static void verify_dynamic_kobject_allocation(struct kobject *kobj) { } +#endif /* * populate_dir - populate directory with attributes. @@ -216,13 +267,19 @@ static int kobject_add_internal(struct kobject *kobj) static int kobject_set_name_vargs(struct kobject *kobj, const char *fmt, va_list vargs) { - /* Free the old name, if necessary. */ - kfree(kobj->name); + const char *old_name = kobj->name; + char *s; kobj->name = kvasprintf(GFP_KERNEL, fmt, vargs); if (!kobj->name) return -ENOMEM; + /* ewww... some of these buggers have '/' in the name ... */ + s = strchr(kobj->name, '/'); + if (s) + s[0] = '!'; + + kfree(old_name); return 0; } @@ -278,6 +335,7 @@ void kobject_init(struct kobject *kobj, struct kobj_type *ktype) "object, something is seriously wrong.\n", kobj); dump_stack(); } + verify_dynamic_kobject_allocation(kobj); kobject_init_internal(kobj); kobj->ktype = ktype; diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c index 84360c117d4e..e13600106c6c 100644 --- a/net/bluetooth/hci_sysfs.c +++ b/net/bluetooth/hci_sysfs.c @@ -387,10 +387,6 @@ int hci_register_sysfs(struct hci_dev *hdev) if (device_create_file(dev, bt_attrs[i]) < 0) BT_ERR("Failed to create device attribute"); - if (sysfs_create_link(&bt_class->subsys.kobj, - &dev->kobj, kobject_name(&dev->kobj)) < 0) - BT_ERR("Failed to create class symlink"); - return 0; } @@ -398,9 +394,6 @@ void hci_unregister_sysfs(struct hci_dev *hdev) { BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type); - sysfs_remove_link(&bt_class->subsys.kobj, - kobject_name(&hdev->dev.kobj)); - device_del(&hdev->dev); } diff --git a/samples/firmware_class/firmware_sample_firmware_class.c b/samples/firmware_class/firmware_sample_firmware_class.c index 9392116e47b0..e6cf7a43a297 100644 --- a/samples/firmware_class/firmware_sample_firmware_class.c +++ b/samples/firmware_class/firmware_sample_firmware_class.c @@ -124,7 +124,7 @@ static int fw_setup_class_device(struct class_device *class_dev, class_dev->class_id[BUS_ID_SIZE-1] = '\0'; class_dev->dev = device; - class_dev->class = &firmware_class, + class_dev->class = &firmware_class; class_set_devdata(class_dev, fw_priv); retval = class_device_register(class_dev); if (retval) { diff --git a/samples/kobject/kset-example.c b/samples/kobject/kset-example.c index b0a1b4fe6584..7395c0bbae18 100644 --- a/samples/kobject/kset-example.c +++ b/samples/kobject/kset-example.c @@ -211,7 +211,7 @@ static struct foo_obj *create_foo_obj(const char *name) */ retval = kobject_init_and_add(&foo->kobj, &foo_ktype, NULL, "%s", name); if (retval) { - kfree(foo); + kobject_put(&foo->kobj); return NULL; } diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c index cea4a790e1e9..a63c6f8e20b2 100644 --- a/scripts/mod/file2alias.c +++ b/scripts/mod/file2alias.c @@ -332,11 +332,18 @@ static int do_acpi_entry(const char *filename, } /* looks like: "pnp:dD" */ -static int do_pnp_entry(const char *filename, - struct pnp_device_id *id, char *alias) +static void do_pnp_device_entry(void *symval, unsigned long size, + struct module *mod) { - sprintf(alias, "pnp:d%s*", id->id); - return 1; + const unsigned long id_size = sizeof(struct pnp_device_id); + const struct pnp_device_id *id = symval; + + device_id_check(mod->name, "pnp", size, id_size, symval); + + buf_printf(&mod->dev_table_buf, + "MODULE_ALIAS(\"pnp:d%s*\");\n", id->id); + buf_printf(&mod->dev_table_buf, + "MODULE_ALIAS(\"acpi*:%s:*\");\n", id->id); } /* looks like: "pnp:dD" for every device of the card */ @@ -380,9 +387,12 @@ static void do_pnp_card_entries(void *symval, unsigned long size, } /* add an individual alias for every device entry */ - if (!dup) + if (!dup) { buf_printf(&mod->dev_table_buf, "MODULE_ALIAS(\"pnp:d%s*\");\n", id); + buf_printf(&mod->dev_table_buf, + "MODULE_ALIAS(\"acpi*:%s:*\");\n", id); + } } } } @@ -689,9 +699,7 @@ void handle_moddevtable(struct module *mod, struct elf_info *info, sizeof(struct acpi_device_id), "acpi", do_acpi_entry, mod); else if (sym_is(symname, "__mod_pnp_device_table")) - do_table(symval, sym->st_size, - sizeof(struct pnp_device_id), "pnp", - do_pnp_entry, mod); + do_pnp_device_entry(symval, sym->st_size, mod); else if (sym_is(symname, "__mod_pnp_card_device_table")) do_pnp_card_entries(symval, sym->st_size, mod); else if (sym_is(symname, "__mod_pcmcia_device_table")) diff --git a/sound/core/init.c b/sound/core/init.c index ac0573416130..7722c0dcff98 100644 --- a/sound/core/init.c +++ b/sound/core/init.c @@ -535,8 +535,9 @@ int snd_card_register(struct snd_card *card) snd_assert(card != NULL, return -EINVAL); #ifndef CONFIG_SYSFS_DEPRECATED if (!card->card_dev) { - card->card_dev = device_create(sound_class, card->dev, 0, - "card%i", card->number); + card->card_dev = device_create_drvdata(sound_class, card->dev, + MKDEV(0, 0), NULL, + "card%i", card->number); if (IS_ERR(card->card_dev)) card->card_dev = NULL; } diff --git a/sound/drivers/vx/vx_core.c b/sound/drivers/vx/vx_core.c index 99538862e342..585af2eb1438 100644 --- a/sound/drivers/vx/vx_core.c +++ b/sound/drivers/vx/vx_core.c @@ -453,7 +453,7 @@ int snd_vx_load_boot_image(struct vx_core *chip, const struct firmware *boot) vx_outb(chip, TXM, 0); vx_outb(chip, TXL, 0); } else { - unsigned char *image = boot->data + i; + const unsigned char *image = boot->data + i; if (vx_wait_isr_bit(chip, ISR_TX_EMPTY) < 0) { snd_printk(KERN_ERR "dsp boot failed at %d\n", i); return -EIO; @@ -671,7 +671,7 @@ int snd_vx_dsp_load(struct vx_core *chip, const struct firmware *dsp) unsigned int i; int err; unsigned int csum = 0; - unsigned char *image, *cptr; + const unsigned char *image, *cptr; snd_assert(dsp->size % 3 == 0, return -EINVAL); diff --git a/sound/oss/soundcard.c b/sound/oss/soundcard.c index a9c23b2502ad..7d89c081a086 100644 --- a/sound/oss/soundcard.c +++ b/sound/oss/soundcard.c @@ -560,17 +560,19 @@ static int __init oss_init(void) sound_dmap_flag = (dmabuf > 0 ? 1 : 0); for (i = 0; i < ARRAY_SIZE(dev_list); i++) { - device_create(sound_class, NULL, - MKDEV(SOUND_MAJOR, dev_list[i].minor), - "%s", dev_list[i].name); + device_create_drvdata(sound_class, NULL, + MKDEV(SOUND_MAJOR, dev_list[i].minor), + NULL, "%s", dev_list[i].name); if (!dev_list[i].num) continue; for (j = 1; j < *dev_list[i].num; j++) - device_create(sound_class, NULL, - MKDEV(SOUND_MAJOR, dev_list[i].minor + (j*0x10)), - "%s%d", dev_list[i].name, j); + device_create_drvdata(sound_class, NULL, + MKDEV(SOUND_MAJOR, + dev_list[i].minor + (j*0x10)), + NULL, + "%s%d", dev_list[i].name, j); } if (sound_nblocks >= 1024) diff --git a/sound/pci/maestro3.c b/sound/pci/maestro3.c index a536c59fbea1..9dfba6eff858 100644 --- a/sound/pci/maestro3.c +++ b/sound/pci/maestro3.c @@ -2240,18 +2240,16 @@ static const struct firmware assp_minisrc = { .size = sizeof assp_minisrc_image }; -#else /* CONFIG_SND_MAESTRO3_FIRMWARE_IN_KERNEL */ - #ifdef __LITTLE_ENDIAN -static inline void snd_m3_convert_from_le(const struct firmware *fw) { } +static inline void snd_m3_convert_to_le(const struct firmware *fw) { } #else -static void snd_m3_convert_from_le(const struct firmware *fw) +static void snd_m3_convert_to_le(const struct firmware *fw) { int i; u16 *data = (u16 *)fw->data; for (i = 0; i < fw->size / 2; ++i) - le16_to_cpus(&data[i]); + cpu_to_le16s(&data[i]); } #endif @@ -2271,7 +2269,7 @@ static const u16 minisrc_lpf[MINISRC_LPF_LEN] = { static void snd_m3_assp_init(struct snd_m3 *chip) { unsigned int i; - u16 *data; + const u16 *data; /* zero kernel data */ for (i = 0; i < (REV_B_DATA_MEMORY_UNIT_LENGTH * NUM_UNITS_KERNEL_DATA) / 2; i++) @@ -2289,10 +2287,11 @@ static void snd_m3_assp_init(struct snd_m3 *chip) KDATA_DMA_XFER0); /* write kernel into code memory.. */ - data = (u16 *)chip->assp_kernel_image->data; + data = (const u16 *)chip->assp_kernel_image->data; for (i = 0 ; i * 2 < chip->assp_kernel_image->size; i++) { snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE, - REV_B_CODE_MEMORY_BEGIN + i, data[i]); + REV_B_CODE_MEMORY_BEGIN + i, + le16_to_cpu(data[i])); } /* @@ -2301,10 +2300,10 @@ static void snd_m3_assp_init(struct snd_m3 *chip) * drop it there. It seems that the minisrc doesn't * need vectors, so we won't bother with them.. */ - data = (u16 *)chip->assp_minisrc_image->data; + data = (const u16 *)chip->assp_minisrc_image->data; for (i = 0; i * 2 < chip->assp_minisrc_image->size; i++) { snd_m3_assp_write(chip, MEMTYPE_INTERNAL_CODE, - 0x400 + i, data[i]); + 0x400 + i, le16_to_cpu(data[i])); } /* @@ -2749,8 +2748,7 @@ snd_m3_create(struct snd_card *card, struct pci_dev *pci, if (err < 0) { snd_m3_free(chip); return err; - } else - snd_m3_convert_from_le(chip->assp_kernel_image); + } #endif #ifdef CONFIG_SND_MAESTRO3_FIRMWARE_IN_KERNEL @@ -2761,8 +2759,7 @@ snd_m3_create(struct snd_card *card, struct pci_dev *pci, if (err < 0) { snd_m3_free(chip); return err; - } else - snd_m3_convert_from_le(chip->assp_minisrc_image); + } #endif if ((err = pci_request_regions(pci, card->driver)) < 0) { @@ -2915,6 +2912,10 @@ static struct pci_driver driver = { static int __init alsa_card_m3_init(void) { +#ifdef CONFIG_SND_MAESTRO3_FIRMWARE_IN_KERNEL + snd_m3_convert_to_le(&assp_kernel); + snd_m3_convert_to_le(&assp_minisrc); +#endif return pci_register_driver(&driver); } diff --git a/sound/pci/pcxhr/pcxhr_core.c b/sound/pci/pcxhr/pcxhr_core.c index 78aa81feaa4a..957e6afe94f1 100644 --- a/sound/pci/pcxhr/pcxhr_core.c +++ b/sound/pci/pcxhr/pcxhr_core.c @@ -269,7 +269,7 @@ int pcxhr_load_xilinx_binary(struct pcxhr_mgr *mgr, const struct firmware *xilin unsigned int chipsc; unsigned char data; unsigned char mask; - unsigned char *image; + const unsigned char *image; /* test first xilinx */ chipsc = PCXHR_INPL(mgr, PCXHR_PLX_CHIPSC); @@ -316,7 +316,7 @@ static int pcxhr_download_dsp(struct pcxhr_mgr *mgr, const struct firmware *dsp) int err; unsigned int i; unsigned int len; - unsigned char *data; + const unsigned char *data; unsigned char dummy; /* check the length of boot image */ snd_assert(dsp->size > 0, return -EINVAL); diff --git a/sound/pci/riptide/riptide.c b/sound/pci/riptide/riptide.c index 979f7da641ce..6a3596247348 100644 --- a/sound/pci/riptide/riptide.c +++ b/sound/pci/riptide/riptide.c @@ -682,7 +682,7 @@ static union firmware_version firmware_versions[] = { }, }; -static u32 atoh(unsigned char *in, unsigned int len) +static u32 atoh(const unsigned char *in, unsigned int len) { u32 sum = 0; unsigned int mult = 1; @@ -702,12 +702,12 @@ static u32 atoh(unsigned char *in, unsigned int len) return sum; } -static int senddata(struct cmdif *cif, unsigned char *in, u32 offset) +static int senddata(struct cmdif *cif, const unsigned char *in, u32 offset) { u32 addr; u32 data; u32 i; - unsigned char *p; + const unsigned char *p; i = atoh(&in[1], 2); addr = offset + atoh(&in[3], 4); @@ -726,10 +726,10 @@ static int senddata(struct cmdif *cif, unsigned char *in, u32 offset) return 0; } -static int loadfirmware(struct cmdif *cif, unsigned char *img, +static int loadfirmware(struct cmdif *cif, const unsigned char *img, unsigned int size) { - unsigned char *in; + const unsigned char *in; u32 laddr, saddr, t, val; int err = 0; diff --git a/sound/pci/vx222/vx222_ops.c b/sound/pci/vx222/vx222_ops.c index b4bfc1acde88..631f3a639993 100644 --- a/sound/pci/vx222/vx222_ops.c +++ b/sound/pci/vx222/vx222_ops.c @@ -359,7 +359,7 @@ static int vx2_load_xilinx_binary(struct vx_core *chip, const struct firmware *x { unsigned int i; unsigned int port; - unsigned char *image; + const unsigned char *image; /* XILINX reset (wait at least 1 milisecond between reset on and off). */ vx_outl(chip, CNTRL, VX_CNTRL_REGISTER_VALUE | VX_XILINX_RESET_MASK); diff --git a/sound/pci/ymfpci/ymfpci_main.c b/sound/pci/ymfpci/ymfpci_main.c index 29b3056c5109..6298b29c66bb 100644 --- a/sound/pci/ymfpci/ymfpci_main.c +++ b/sound/pci/ymfpci/ymfpci_main.c @@ -26,6 +26,7 @@ #include <linux/sched.h> #include <linux/slab.h> #include <linux/vmalloc.h> +#include <linux/mutex.h> #include <sound/core.h> #include <sound/control.h> @@ -2009,11 +2010,34 @@ static struct firmware snd_ymfpci_controller_1e_microcode = { .size = YDSXG_CTRLLENGTH, .data = (u8 *)CntrlInst1E, }; + +#ifdef __BIG_ENDIAN +static int microcode_swapped; +static DEFINE_MUTEX(microcode_swap); + +static void snd_ymfpci_convert_to_le(const struct firmware *fw) +{ + int i; + u32 *data = (u32 *)fw->data; + + for (i = 0; i < fw->size / 4; ++i) + cpu_to_le32s(&data[i]); +} #endif -#ifdef CONFIG_SND_YMFPCI_FIRMWARE_IN_KERNEL static int snd_ymfpci_request_firmware(struct snd_ymfpci *chip) { +#ifdef __BIG_ENDIAN + mutex_lock(µcode_swap); + if (!microcode_swapped) { + snd_ymfpci_convert_to_le(&snd_ymfpci_dsp_microcode); + snd_ymfpci_convert_to_le(&snd_ymfpci_controller_1e_microcode); + snd_ymfpci_convert_to_le(&snd_ymfpci_controller_microcode); + microcode_swapped = 1; + } + mutex_unlock(µcode_swap); +#endif + chip->dsp_microcode = &snd_ymfpci_dsp_microcode; if (chip->device_id == PCI_DEVICE_ID_YAMAHA_724F || chip->device_id == PCI_DEVICE_ID_YAMAHA_740C || @@ -2029,19 +2053,6 @@ static int snd_ymfpci_request_firmware(struct snd_ymfpci *chip) #else /* use fw_loader */ -#ifdef __LITTLE_ENDIAN -static inline void snd_ymfpci_convert_from_le(const struct firmware *fw) { } -#else -static void snd_ymfpci_convert_from_le(const struct firmware *fw) -{ - int i; - u32 *data = (u32 *)fw->data; - - for (i = 0; i < fw->size / 4; ++i) - le32_to_cpus(&data[i]); -} -#endif - static int snd_ymfpci_request_firmware(struct snd_ymfpci *chip) { int err, is_1e; @@ -2050,9 +2061,7 @@ static int snd_ymfpci_request_firmware(struct snd_ymfpci *chip) err = request_firmware(&chip->dsp_microcode, "yamaha/ds1_dsp.fw", &chip->pci->dev); if (err >= 0) { - if (chip->dsp_microcode->size == YDSXG_DSPLENGTH) - snd_ymfpci_convert_from_le(chip->dsp_microcode); - else { + if (chip->dsp_microcode->size != YDSXG_DSPLENGTH) { snd_printk(KERN_ERR "DSP microcode has wrong size\n"); err = -EINVAL; } @@ -2067,9 +2076,7 @@ static int snd_ymfpci_request_firmware(struct snd_ymfpci *chip) err = request_firmware(&chip->controller_microcode, name, &chip->pci->dev); if (err >= 0) { - if (chip->controller_microcode->size == YDSXG_CTRLLENGTH) - snd_ymfpci_convert_from_le(chip->controller_microcode); - else { + if (chip->controller_microcode->size != YDSXG_CTRLLENGTH) { snd_printk(KERN_ERR "controller microcode" " has wrong size\n"); err = -EINVAL; @@ -2090,7 +2097,7 @@ static void snd_ymfpci_download_image(struct snd_ymfpci *chip) { int i; u16 ctrl; - u32 *inst; + const __le32 *inst; snd_ymfpci_writel(chip, YDSXGR_NATIVEDACOUTVOL, 0x00000000); snd_ymfpci_disable_dsp(chip); @@ -2105,14 +2112,16 @@ static void snd_ymfpci_download_image(struct snd_ymfpci *chip) snd_ymfpci_writew(chip, YDSXGR_GLOBALCTRL, ctrl & ~0x0007); /* setup DSP instruction code */ - inst = (u32 *)chip->dsp_microcode->data; + inst = (const __le32 *)chip->dsp_microcode->data; for (i = 0; i < YDSXG_DSPLENGTH / 4; i++) - snd_ymfpci_writel(chip, YDSXGR_DSPINSTRAM + (i << 2), inst[i]); + snd_ymfpci_writel(chip, YDSXGR_DSPINSTRAM + (i << 2), + le32_to_cpu(inst[i])); /* setup control instruction code */ - inst = (u32 *)chip->controller_microcode->data; + inst = (const __le32 *)chip->controller_microcode->data; for (i = 0; i < YDSXG_CTRLLENGTH / 4; i++) - snd_ymfpci_writel(chip, YDSXGR_CTRLINSTRAM + (i << 2), inst[i]); + snd_ymfpci_writel(chip, YDSXGR_CTRLINSTRAM + (i << 2), + le32_to_cpu(inst[i])); snd_ymfpci_enable_dsp(chip); } diff --git a/sound/sound_core.c b/sound/sound_core.c index 46daca175502..fb13ba2946ef 100644 --- a/sound/sound_core.c +++ b/sound/sound_core.c @@ -170,8 +170,9 @@ static int sound_insert_unit(struct sound_unit **list, const struct file_operati else sprintf(s->name, "sound/%s%d", name, r / SOUND_STEP); - device_create(sound_class, dev, MKDEV(SOUND_MAJOR, s->unit_minor), - s->name+6); + device_create_drvdata(sound_class, dev, + MKDEV(SOUND_MAJOR, s->unit_minor), + NULL, s->name+6); return r; fail: |