diff options
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/gpio/Makefile | 6 | ||||
| -rw-r--r-- | drivers/gpio/cs5535-gpio.c | 2 | ||||
| -rw-r--r-- | drivers/gpio/gpiolib.c | 7 | ||||
| -rw-r--r-- | drivers/gpio/pl061.c | 4 |
5 files changed, 13 insertions, 8 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 724038dab4c..7face915b96 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -1,5 +1,5 @@ # -# GPIO infrastructure and expanders +# platform-neutral GPIO infrastructure and expanders # config ARCH_WANT_OPTIONAL_GPIOLIB diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index 51c3cdd41b5..e53dcff49b4 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -1,4 +1,8 @@ -# gpio support: dedicated expander chips, etc +# generic gpio support: dedicated expander chips, etc +# +# NOTE: platform-specific GPIO drivers don't belong in the +# drivers/gpio directory; put them with other platform setup +# code, IRQ controllers, board init, etc. ccflags-$(CONFIG_DEBUG_GPIO) += -DDEBUG diff --git a/drivers/gpio/cs5535-gpio.c b/drivers/gpio/cs5535-gpio.c index f73a1555e49..e23c06893d1 100644 --- a/drivers/gpio/cs5535-gpio.c +++ b/drivers/gpio/cs5535-gpio.c @@ -352,6 +352,6 @@ static void __exit cs5535_gpio_exit(void) module_init(cs5535_gpio_init); module_exit(cs5535_gpio_exit); -MODULE_AUTHOR("Andres Salomon <dilinger@collabora.co.uk>"); +MODULE_AUTHOR("Andres Salomon <dilinger@queued.net>"); MODULE_DESCRIPTION("AMD CS5535/CS5536 GPIO driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 3ca36542e33..4e51fe3c1fc 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -893,10 +893,12 @@ EXPORT_SYMBOL_GPL(gpio_sysfs_set_active_low); void gpio_unexport(unsigned gpio) { struct gpio_desc *desc; - int status = -EINVAL; + int status = 0; - if (!gpio_is_valid(gpio)) + if (!gpio_is_valid(gpio)) { + status = -EINVAL; goto done; + } mutex_lock(&sysfs_lock); @@ -911,7 +913,6 @@ void gpio_unexport(unsigned gpio) clear_bit(FLAG_EXPORT, &desc->flags); put_device(dev); device_unregister(dev); - status = 0; } else status = -ENODEV; } diff --git a/drivers/gpio/pl061.c b/drivers/gpio/pl061.c index ee568c8fcbd..5005990f751 100644 --- a/drivers/gpio/pl061.c +++ b/drivers/gpio/pl061.c @@ -232,7 +232,7 @@ static void pl061_irq_handler(unsigned irq, struct irq_desc *desc) desc->chip->unmask(irq); } -static int __init pl061_probe(struct amba_device *dev, struct amba_id *id) +static int pl061_probe(struct amba_device *dev, struct amba_id *id) { struct pl061_platform_data *pdata; struct pl061_gpio *chip; @@ -333,7 +333,7 @@ free_mem: return ret; } -static struct amba_id pl061_ids[] __initdata = { +static struct amba_id pl061_ids[] = { { .id = 0x00041061, .mask = 0x000fffff, |