diff options
| author | Hauke Mehrtens <hauke@hauke-m.de> | 2013-01-26 21:39:44 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2013-01-30 15:07:06 -0500 |
| commit | 8f1ca2683225afa21b827ff620a6225c390771a9 (patch) | |
| tree | e3ce18950e47ce417323527f1bfba59b64ed80f5 | |
| parent | a6ca2e10f795111a90a4efabb07717258669e03d (diff) | |
| download | linux-8f1ca2683225afa21b827ff620a6225c390771a9.tar.gz linux-8f1ca2683225afa21b827ff620a6225c390771a9.tar.bz2 linux-8f1ca2683225afa21b827ff620a6225c390771a9.zip | |
bcma: add gpio_to_irq
The old bcm47xx gpio code had support for gpio_to_irq, but the new
code did not provide this function, but returned -ENXIO all the time.
This patch adds the missing function.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/bcma/driver_gpio.c | 11 | ||||
| -rw-r--r-- | include/linux/bcma/bcma_driver_mips.h | 9 |
2 files changed, 18 insertions, 2 deletions
diff --git a/drivers/bcma/driver_gpio.c b/drivers/bcma/driver_gpio.c index 9a6f585da2d9..0b5df538dfd9 100644 --- a/drivers/bcma/driver_gpio.c +++ b/drivers/bcma/driver_gpio.c @@ -73,6 +73,16 @@ static void bcma_gpio_free(struct gpio_chip *chip, unsigned gpio) bcma_chipco_gpio_pullup(cc, 1 << gpio, 0); } +static int bcma_gpio_to_irq(struct gpio_chip *chip, unsigned gpio) +{ + struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip); + + if (cc->core->bus->hosttype == BCMA_HOSTTYPE_SOC) + return bcma_core_irq(cc->core); + else + return -EINVAL; +} + int bcma_gpio_init(struct bcma_drv_cc *cc) { struct gpio_chip *chip = &cc->gpio; @@ -85,6 +95,7 @@ int bcma_gpio_init(struct bcma_drv_cc *cc) chip->set = bcma_gpio_set_value; chip->direction_input = bcma_gpio_direction_input; chip->direction_output = bcma_gpio_direction_output; + chip->to_irq = bcma_gpio_to_irq; chip->ngpio = 16; /* There is just one SoC in one device and its GPIO addresses should be * deterministic to address them more easily. The other buses could get diff --git a/include/linux/bcma/bcma_driver_mips.h b/include/linux/bcma/bcma_driver_mips.h index 0d1ea297851a..fb61f3fb4ddb 100644 --- a/include/linux/bcma/bcma_driver_mips.h +++ b/include/linux/bcma/bcma_driver_mips.h @@ -42,13 +42,18 @@ struct bcma_drv_mips { #ifdef CONFIG_BCMA_DRIVER_MIPS extern void bcma_core_mips_init(struct bcma_drv_mips *mcore); extern void bcma_core_mips_early_init(struct bcma_drv_mips *mcore); + +extern unsigned int bcma_core_irq(struct bcma_device *core); #else static inline void bcma_core_mips_init(struct bcma_drv_mips *mcore) { } static inline void bcma_core_mips_early_init(struct bcma_drv_mips *mcore) { } + +static inline unsigned int bcma_core_irq(struct bcma_device *core) +{ + return 0; +} #endif extern u32 bcma_cpu_clock(struct bcma_drv_mips *mcore); -extern unsigned int bcma_core_irq(struct bcma_device *core); - #endif /* LINUX_BCMA_DRIVER_MIPS_H_ */ |