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path: root/drivers/ide/ppc
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Diffstat (limited to 'drivers/ide/ppc')
-rw-r--r--drivers/ide/ppc/mpc8xx.c58
-rw-r--r--drivers/ide/ppc/pmac.c90
2 files changed, 92 insertions, 56 deletions
diff --git a/drivers/ide/ppc/mpc8xx.c b/drivers/ide/ppc/mpc8xx.c
index a784a97ca7ec..467656f06ccc 100644
--- a/drivers/ide/ppc/mpc8xx.c
+++ b/drivers/ide/ppc/mpc8xx.c
@@ -36,6 +36,8 @@
#include <asm/machdep.h>
#include <asm/irq.h>
+#define DRV_NAME "ide-mpc8xx"
+
static int identify (volatile u8 *p);
static void print_fixed (volatile u8 *p);
static void print_funcid (int func);
@@ -127,7 +129,7 @@ static int pcmcia_schlvl = PCMCIA_SCHLVL;
* MPC8xx's internal PCMCIA interface
*/
#if defined(CONFIG_IDE_8xx_PCCARD) || defined(CONFIG_IDE_8xx_DIRECT)
-static void __init m8xx_ide_init_ports(hw_regs_t *hw, unsigned long data_port)
+static int __init m8xx_ide_init_ports(hw_regs_t *hw, unsigned long data_port)
{
unsigned long *p = hw->io_ports;
int i;
@@ -182,6 +184,13 @@ static void __init m8xx_ide_init_ports(hw_regs_t *hw, unsigned long data_port)
pcmcia_phy_base, pcmcia_phy_end,
pcmcia_phy_end - pcmcia_phy_base);
+ if (!request_mem_region(pcmcia_phy_base,
+ pcmcia_phy_end - pcmcia_phy_base,
+ DRV_NAME)) {
+ printk(KERN_ERR "%s: resources busy\n", DRV_NAME);
+ return -EBUSY;
+ }
+
pcmcia_base=(unsigned long)ioremap(pcmcia_phy_base,
pcmcia_phy_end-pcmcia_phy_base);
@@ -236,7 +245,7 @@ static void __init m8xx_ide_init_ports(hw_regs_t *hw, unsigned long data_port)
if (pcmp->pcmc_pipr & (M8XX_PCMCIA_CD1(_slot_)|M8XX_PCMCIA_CD2(_slot_))) {
printk ("No card in slot %c: PIPR=%08x\n",
'A' + _slot_, (u32) pcmp->pcmc_pipr);
- return; /* No card in slot */
+ return -ENODEV; /* No card in slot */
}
check_ide_device (pcmcia_base);
@@ -279,9 +288,6 @@ static void __init m8xx_ide_init_ports(hw_regs_t *hw, unsigned long data_port)
}
#endif /* CONFIG_IDE_8xx_PCCARD */
- ide_hwifs[data_port].pio_mask = ATA_PIO4;
- ide_hwifs[data_port].set_pio_mode = m8xx_ide_set_pio_mode;
-
/* Enable Harddisk Interrupt,
* and make it edge sensitive
*/
@@ -296,6 +302,8 @@ static void __init m8xx_ide_init_ports(hw_regs_t *hw, unsigned long data_port)
/* Enable falling edge irq */
pcmp->pcmc_per = 0x100000 >> (16 * _slot_);
#endif /* CONFIG_IDE_8xx_PCCARD */
+
+ return 0;
}
#endif /* CONFIG_IDE_8xx_PCCARD || CONFIG_IDE_8xx_DIRECT */
@@ -304,7 +312,7 @@ static void __init m8xx_ide_init_ports(hw_regs_t *hw, unsigned long data_port)
* MPC8xx's internal PCMCIA interface
*/
#if defined(CONFIG_IDE_EXT_DIRECT)
-static void __init m8xx_ide_init_ports(hw_regs_t *hw, unsigned long data_port)
+static int __init m8xx_ide_init_ports(hw_regs_t *hw, unsigned long data_port)
{
unsigned long *p = hw->io_ports;
int i;
@@ -327,7 +335,12 @@ static void __init m8xx_ide_init_ports(hw_regs_t *hw, unsigned long data_port)
printk ("IDE phys mem : %08x...%08x (size %08x)\n",
ide_phy_base, ide_phy_end,
ide_phy_end - ide_phy_base);
-
+
+ if (!request_mem_region(ide_phy_base, 0x200, DRV_NAME)) {
+ printk(KERN_ERR "%s: resources busy\n", DRV_NAME);
+ return -EBUSY;
+ }
+
ide_base=(unsigned long)ioremap(ide_phy_base,
ide_phy_end-ide_phy_base);
@@ -357,15 +370,14 @@ static void __init m8xx_ide_init_ports(hw_regs_t *hw, unsigned long data_port)
hw->irq = ioport_dsc[data_port].irq;
hw->ack_intr = (ide_ack_intr_t *)ide_interrupt_ack;
- ide_hwifs[data_port].pio_mask = ATA_PIO4;
- ide_hwifs[data_port].set_pio_mode = m8xx_ide_set_pio_mode;
-
/* Enable Harddisk Interrupt,
* and make it edge sensitive
*/
/* (11-18) Set edge detect for irq, no wakeup from low power mode */
((immap_t *) IMAP_ADDR)->im_siu_conf.sc_siel |=
(0x80000000 >> ioport_dsc[data_port].irq);
+
+ return 0;
}
#endif /* CONFIG_IDE_8xx_DIRECT */
@@ -794,14 +806,28 @@ static int __init mpc8xx_ide_probe(void)
#ifdef IDE0_BASE_OFFSET
memset(&hw, 0, sizeof(hw));
- m8xx_ide_init_ports(&hw, 0);
- ide_init_port_hw(&ide_hwifs[0], &hw);
- idx[0] = 0;
+ if (!m8xx_ide_init_ports(&hw, 0)) {
+ ide_hwif_t *hwif = &ide_hwifs[0];
+
+ ide_init_port_hw(hwif, &hw);
+ hwif->mmio = 1;
+ hwif->pio_mask = ATA_PIO4;
+ hwif->set_pio_mode = m8xx_ide_set_pio_mode;
+
+ idx[0] = 0;
+ }
#ifdef IDE1_BASE_OFFSET
memset(&hw, 0, sizeof(hw));
- m8xx_ide_init_ports(&hw, 1);
- ide_init_port_hw(&ide_hwifs[1], &hw);
- idx[1] = 1;
+ if (!m8xx_ide_init_ports(&hw, 1)) {
+ ide_hwif_t *mate = &ide_hwifs[1];
+
+ ide_init_port_hw(mate, &hw);
+ mate->mmio = 1;
+ mate->pio_mask = ATA_PIO4;
+ mate->set_pio_mode = m8xx_ide_set_pio_mode;
+
+ idx[1] = 1;
+ }
#endif
#endif
diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c
index 88619b50d9ef..177961edc430 100644
--- a/drivers/ide/ppc/pmac.c
+++ b/drivers/ide/ppc/pmac.c
@@ -79,8 +79,6 @@ typedef struct pmac_ide_hwif {
} pmac_ide_hwif_t;
-static pmac_ide_hwif_t pmac_ide[MAX_HWIFS];
-
enum {
controller_ohare, /* OHare based */
controller_heathrow, /* Heathrow/Paddington */
@@ -923,7 +921,6 @@ pmac_ide_do_resume(ide_hwif_t *hwif)
static const struct ide_port_info pmac_port_info = {
.chipset = ide_pmac,
.host_flags = IDE_HFLAG_SET_PIO_MODE_KEEP_DMA |
- IDE_HFLAG_PIO_NO_DOWNGRADE |
IDE_HFLAG_POST_SET_MODE |
IDE_HFLAG_NO_DMA | /* no SFF-style DMA */
IDE_HFLAG_UNMASK_IRQS,
@@ -1088,35 +1085,36 @@ pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_device_id *match)
{
void __iomem *base;
unsigned long regbase;
- int irq;
ide_hwif_t *hwif;
pmac_ide_hwif_t *pmif;
- int i, rc;
+ int irq, rc;
hw_regs_t hw;
- i = 0;
- while (i < MAX_HWIFS && (ide_hwifs[i].io_ports[IDE_DATA_OFFSET] != 0
- || pmac_ide[i].node != NULL))
- ++i;
- if (i >= MAX_HWIFS) {
+ pmif = kzalloc(sizeof(*pmif), GFP_KERNEL);
+ if (pmif == NULL)
+ return -ENOMEM;
+
+ hwif = ide_find_port();
+ if (hwif == NULL) {
printk(KERN_ERR "ide-pmac: MacIO interface attach with no slot\n");
printk(KERN_ERR " %s\n", mdev->ofdev.node->full_name);
- return -ENODEV;
+ rc = -ENODEV;
+ goto out_free_pmif;
}
- pmif = &pmac_ide[i];
- hwif = &ide_hwifs[i];
-
if (macio_resource_count(mdev) == 0) {
- printk(KERN_WARNING "ide%d: no address for %s\n",
- i, mdev->ofdev.node->full_name);
- return -ENXIO;
+ printk(KERN_WARNING "ide-pmac: no address for %s\n",
+ mdev->ofdev.node->full_name);
+ rc = -ENXIO;
+ goto out_free_pmif;
}
/* Request memory resource for IO ports */
if (macio_request_resource(mdev, 0, "ide-pmac (ports)")) {
- printk(KERN_ERR "ide%d: can't request mmio resource !\n", i);
- return -EBUSY;
+ printk(KERN_ERR "ide-pmac: can't request MMIO resource for "
+ "%s!\n", mdev->ofdev.node->full_name);
+ rc = -EBUSY;
+ goto out_free_pmif;
}
/* XXX This is bogus. Should be fixed in the registry by checking
@@ -1125,8 +1123,8 @@ pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_device_id *match)
* where that happens though...
*/
if (macio_irq_count(mdev) == 0) {
- printk(KERN_WARNING "ide%d: no intrs for device %s, using 13\n",
- i, mdev->ofdev.node->full_name);
+ printk(KERN_WARNING "ide-pmac: no intrs for device %s, using "
+ "13\n", mdev->ofdev.node->full_name);
irq = irq_create_mapping(NULL, 13);
} else
irq = macio_irq(mdev, 0);
@@ -1144,7 +1142,9 @@ pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_device_id *match)
#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
if (macio_resource_count(mdev) >= 2) {
if (macio_request_resource(mdev, 1, "ide-pmac (dma)"))
- printk(KERN_WARNING "ide%d: can't request DMA resource !\n", i);
+ printk(KERN_WARNING "ide-pmac: can't request DMA "
+ "resource for %s!\n",
+ mdev->ofdev.node->full_name);
else
pmif->dma_regs = ioremap(macio_resource_start(mdev, 1), 0x1000);
} else
@@ -1166,11 +1166,15 @@ pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_device_id *match)
iounmap(pmif->dma_regs);
macio_release_resource(mdev, 1);
}
- memset(pmif, 0, sizeof(*pmif));
macio_release_resource(mdev, 0);
+ kfree(pmif);
}
return rc;
+
+out_free_pmif:
+ kfree(pmif);
+ return rc;
}
static int
@@ -1215,7 +1219,7 @@ pmac_ide_pci_attach(struct pci_dev *pdev, const struct pci_device_id *id)
pmac_ide_hwif_t *pmif;
void __iomem *base;
unsigned long rbase, rlen;
- int i, rc;
+ int rc;
hw_regs_t hw;
np = pci_device_to_OF_node(pdev);
@@ -1223,30 +1227,32 @@ pmac_ide_pci_attach(struct pci_dev *pdev, const struct pci_device_id *id)
printk(KERN_ERR "ide-pmac: cannot find MacIO node for Kauai ATA interface\n");
return -ENODEV;
}
- i = 0;
- while (i < MAX_HWIFS && (ide_hwifs[i].io_ports[IDE_DATA_OFFSET] != 0
- || pmac_ide[i].node != NULL))
- ++i;
- if (i >= MAX_HWIFS) {
+
+ pmif = kzalloc(sizeof(*pmif), GFP_KERNEL);
+ if (pmif == NULL)
+ return -ENOMEM;
+
+ hwif = ide_find_port();
+ if (hwif == NULL) {
printk(KERN_ERR "ide-pmac: PCI interface attach with no slot\n");
printk(KERN_ERR " %s\n", np->full_name);
- return -ENODEV;
+ rc = -ENODEV;
+ goto out_free_pmif;
}
- pmif = &pmac_ide[i];
- hwif = &ide_hwifs[i];
-
if (pci_enable_device(pdev)) {
- printk(KERN_WARNING "ide%i: Can't enable PCI device for %s\n",
- i, np->full_name);
- return -ENXIO;
+ printk(KERN_WARNING "ide-pmac: Can't enable PCI device for "
+ "%s\n", np->full_name);
+ rc = -ENXIO;
+ goto out_free_pmif;
}
pci_set_master(pdev);
if (pci_request_regions(pdev, "Kauai ATA")) {
- printk(KERN_ERR "ide%d: Cannot obtain PCI resources for %s\n",
- i, np->full_name);
- return -ENXIO;
+ printk(KERN_ERR "ide-pmac: Cannot obtain PCI resources for "
+ "%s\n", np->full_name);
+ rc = -ENXIO;
+ goto out_free_pmif;
}
hwif->dev = &pdev->dev;
@@ -1276,11 +1282,15 @@ pmac_ide_pci_attach(struct pci_dev *pdev, const struct pci_device_id *id)
/* The inteface is released to the common IDE layer */
pci_set_drvdata(pdev, NULL);
iounmap(base);
- memset(pmif, 0, sizeof(*pmif));
pci_release_regions(pdev);
+ kfree(pmif);
}
return rc;
+
+out_free_pmif:
+ kfree(pmif);
+ return rc;
}
static int
generated by cgit v1.2.3 (git 2.46.0) at 2025-09-06 14:23:41 +0000