From 929a03aeb149017e88fbe5878c2b6585cfda8704 Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Fri, 4 Jan 2013 00:51:20 +0100 Subject: bcma: make bcma_find_core_unit() accessible This bcma_find_core_unit() is needed by the mips driver in the next patch. Signed-off-by: Hauke Mehrtens Signed-off-by: John W. Linville --- drivers/bcma/main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/bcma/main.c') diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c index 53ba20ca17e0..d12b7da556e1 100644 --- a/drivers/bcma/main.c +++ b/drivers/bcma/main.c @@ -81,8 +81,8 @@ struct bcma_device *bcma_find_core(struct bcma_bus *bus, u16 coreid) } EXPORT_SYMBOL_GPL(bcma_find_core); -static struct bcma_device *bcma_find_core_unit(struct bcma_bus *bus, u16 coreid, - u8 unit) +struct bcma_device *bcma_find_core_unit(struct bcma_bus *bus, u16 coreid, + u8 unit) { struct bcma_device *core; -- cgit v1.2.3 From 73e4dbe4ca9d5573f84818964276668b42177de2 Mon Sep 17 00:00:00 2001 From: Rafał Miłecki Date: Fri, 25 Jan 2013 11:37:26 +0100 Subject: bcma: register platform device for parallel flash Signed-off-by: John W. Linville --- drivers/bcma/bcma_private.h | 1 + drivers/bcma/driver_mips.c | 38 +++++++++++++++++++++++++++++++++----- drivers/bcma/main.c | 8 ++++++++ 3 files changed, 42 insertions(+), 5 deletions(-) (limited to 'drivers/bcma/main.c') diff --git a/drivers/bcma/bcma_private.h b/drivers/bcma/bcma_private.h index d35294e81d15..16c1dddfda00 100644 --- a/drivers/bcma/bcma_private.h +++ b/drivers/bcma/bcma_private.h @@ -47,6 +47,7 @@ int bcma_sprom_get(struct bcma_bus *bus); /* driver_chipcommon.c */ #ifdef CONFIG_BCMA_DRIVER_MIPS void bcma_chipco_serial_init(struct bcma_drv_cc *cc); +extern struct platform_device bcma_pflash_dev; #endif /* CONFIG_BCMA_DRIVER_MIPS */ /* driver_chipcommon_pmu.c */ diff --git a/drivers/bcma/driver_mips.c b/drivers/bcma/driver_mips.c index 9fe86ee16c66..9a7f0e3ab5a3 100644 --- a/drivers/bcma/driver_mips.c +++ b/drivers/bcma/driver_mips.c @@ -14,11 +14,33 @@ #include +#include +#include #include #include #include #include +static const char *part_probes[] = { "bcm47xxpart", NULL }; + +static struct physmap_flash_data bcma_pflash_data = { + .part_probe_types = part_probes, +}; + +static struct resource bcma_pflash_resource = { + .name = "bcma_pflash", + .flags = IORESOURCE_MEM, +}; + +struct platform_device bcma_pflash_dev = { + .name = "physmap-flash", + .dev = { + .platform_data = &bcma_pflash_data, + }, + .resource = &bcma_pflash_resource, + .num_resources = 1, +}; + /* The 47162a0 hangs when reading MIPS DMP registers registers */ static inline bool bcma_core_mips_bcm47162a0_quirk(struct bcma_device *dev) { @@ -211,6 +233,7 @@ static void bcma_core_mips_flash_detect(struct bcma_drv_mips *mcore) { struct bcma_bus *bus = mcore->core->bus; struct bcma_drv_cc *cc = &bus->drv_cc; + struct bcma_pflash *pflash = &cc->pflash; switch (cc->capabilities & BCMA_CC_CAP_FLASHT) { case BCMA_CC_FLASHT_STSER: @@ -220,15 +243,20 @@ static void bcma_core_mips_flash_detect(struct bcma_drv_mips *mcore) break; case BCMA_CC_FLASHT_PARA: bcma_debug(bus, "Found parallel flash\n"); - cc->pflash.present = true; - cc->pflash.window = BCMA_SOC_FLASH2; - cc->pflash.window_size = BCMA_SOC_FLASH2_SZ; + pflash->present = true; + pflash->window = BCMA_SOC_FLASH2; + pflash->window_size = BCMA_SOC_FLASH2_SZ; if ((bcma_read32(cc->core, BCMA_CC_FLASH_CFG) & BCMA_CC_FLASH_CFG_DS) == 0) - cc->pflash.buswidth = 1; + pflash->buswidth = 1; else - cc->pflash.buswidth = 2; + pflash->buswidth = 2; + + bcma_pflash_data.width = pflash->buswidth; + bcma_pflash_resource.start = pflash->window; + bcma_pflash_resource.end = pflash->window + pflash->window_size; + break; default: bcma_err(bus, "Flash type not supported\n"); diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c index d12b7da556e1..95ba5756c67e 100644 --- a/drivers/bcma/main.c +++ b/drivers/bcma/main.c @@ -149,6 +149,14 @@ static int bcma_register_cores(struct bcma_bus *bus) dev_id++; } +#ifdef CONFIG_BCMA_DRIVER_MIPS + if (bus->drv_cc.pflash.present) { + err = platform_device_register(&bcma_pflash_dev); + if (err) + bcma_err(bus, "Error registering parallel flash\n"); + } +#endif + #ifdef CONFIG_BCMA_SFLASH if (bus->drv_cc.sflash.present) { err = platform_device_register(&bcma_sflash_dev); -- cgit v1.2.3 From c50ae9470e542862f782e2d9c106270152bbf3ce Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Sun, 3 Feb 2013 23:25:33 +0100 Subject: bcma: unregister gpios before unloading bcma This patch unregisters the gpio chip before bcma gets unloaded. Signed-off-by: Hauke Mehrtens Reported-by: Piotr Haber Signed-off-by: John W. Linville --- drivers/bcma/bcma_private.h | 5 +++++ drivers/bcma/driver_gpio.c | 5 +++++ drivers/bcma/main.c | 7 +++++++ 3 files changed, 17 insertions(+) (limited to 'drivers/bcma/main.c') diff --git a/drivers/bcma/bcma_private.h b/drivers/bcma/bcma_private.h index 4a2d72ec6d43..966ce4d05791 100644 --- a/drivers/bcma/bcma_private.h +++ b/drivers/bcma/bcma_private.h @@ -94,11 +94,16 @@ void __devinit bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc); #ifdef CONFIG_BCMA_DRIVER_GPIO /* driver_gpio.c */ int bcma_gpio_init(struct bcma_drv_cc *cc); +int bcma_gpio_unregister(struct bcma_drv_cc *cc); #else static inline int bcma_gpio_init(struct bcma_drv_cc *cc) { return -ENOTSUPP; } +static inline int bcma_gpio_unregister(struct bcma_drv_cc *cc) +{ + return 0; +} #endif /* CONFIG_BCMA_DRIVER_GPIO */ #endif diff --git a/drivers/bcma/driver_gpio.c b/drivers/bcma/driver_gpio.c index 9a6f585da2d9..71f755c06fc6 100644 --- a/drivers/bcma/driver_gpio.c +++ b/drivers/bcma/driver_gpio.c @@ -96,3 +96,8 @@ int bcma_gpio_init(struct bcma_drv_cc *cc) return gpiochip_add(chip); } + +int bcma_gpio_unregister(struct bcma_drv_cc *cc) +{ + return gpiochip_remove(&cc->gpio); +} diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c index 53ba20ca17e0..e08b9c604448 100644 --- a/drivers/bcma/main.c +++ b/drivers/bcma/main.c @@ -268,6 +268,13 @@ int __devinit bcma_bus_register(struct bcma_bus *bus) void bcma_bus_unregister(struct bcma_bus *bus) { struct bcma_device *cores[3]; + int err; + + err = bcma_gpio_unregister(&bus->drv_cc); + if (err == -EBUSY) + bcma_err(bus, "Some GPIOs are still in use.\n"); + else if (err) + bcma_err(bus, "Can not unregister GPIO driver: %i\n", err); cores[0] = bcma_find_core(bus, BCMA_CORE_MIPS_74K); cores[1] = bcma_find_core(bus, BCMA_CORE_PCIE); -- cgit v1.2.3