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-rw-r--r--drivers/gpio/Kconfig2
-rw-r--r--drivers/gpio/Makefile6
-rw-r--r--drivers/gpio/cs5535-gpio.c2
-rw-r--r--drivers/gpio/gpiolib.c7
-rw-r--r--drivers/gpio/pl061.c4
5 files changed, 13 insertions, 8 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 724038dab4ca..7face915b963 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -1,5 +1,5 @@
1# 1#
2# GPIO infrastructure and expanders 2# platform-neutral GPIO infrastructure and expanders
3# 3#
4 4
5config ARCH_WANT_OPTIONAL_GPIOLIB 5config ARCH_WANT_OPTIONAL_GPIOLIB
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 51c3cdd41b5a..e53dcff49b4f 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -1,4 +1,8 @@
1# gpio support: dedicated expander chips, etc 1# generic gpio support: dedicated expander chips, etc
2#
3# NOTE: platform-specific GPIO drivers don't belong in the
4# drivers/gpio directory; put them with other platform setup
5# code, IRQ controllers, board init, etc.
2 6
3ccflags-$(CONFIG_DEBUG_GPIO) += -DDEBUG 7ccflags-$(CONFIG_DEBUG_GPIO) += -DDEBUG
4 8
diff --git a/drivers/gpio/cs5535-gpio.c b/drivers/gpio/cs5535-gpio.c
index f73a1555e49d..e23c06893d19 100644
--- a/drivers/gpio/cs5535-gpio.c
+++ b/drivers/gpio/cs5535-gpio.c
@@ -352,6 +352,6 @@ static void __exit cs5535_gpio_exit(void)
352module_init(cs5535_gpio_init); 352module_init(cs5535_gpio_init);
353module_exit(cs5535_gpio_exit); 353module_exit(cs5535_gpio_exit);
354 354
355MODULE_AUTHOR("Andres Salomon <dilinger@collabora.co.uk>"); 355MODULE_AUTHOR("Andres Salomon <dilinger@queued.net>");
356MODULE_DESCRIPTION("AMD CS5535/CS5536 GPIO driver"); 356MODULE_DESCRIPTION("AMD CS5535/CS5536 GPIO driver");
357MODULE_LICENSE("GPL"); 357MODULE_LICENSE("GPL");
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 3ca36542e338..4e51fe3c1fc4 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -893,10 +893,12 @@ EXPORT_SYMBOL_GPL(gpio_sysfs_set_active_low);
893void gpio_unexport(unsigned gpio) 893void gpio_unexport(unsigned gpio)
894{ 894{
895 struct gpio_desc *desc; 895 struct gpio_desc *desc;
896 int status = -EINVAL; 896 int status = 0;
897 897
898 if (!gpio_is_valid(gpio)) 898 if (!gpio_is_valid(gpio)) {
899 status = -EINVAL;
899 goto done; 900 goto done;
901 }
900 902
901 mutex_lock(&sysfs_lock); 903 mutex_lock(&sysfs_lock);
902 904
@@ -911,7 +913,6 @@ void gpio_unexport(unsigned gpio)
911 clear_bit(FLAG_EXPORT, &desc->flags); 913 clear_bit(FLAG_EXPORT, &desc->flags);
912 put_device(dev); 914 put_device(dev);
913 device_unregister(dev); 915 device_unregister(dev);
914 status = 0;
915 } else 916 } else
916 status = -ENODEV; 917 status = -ENODEV;
917 } 918 }
diff --git a/drivers/gpio/pl061.c b/drivers/gpio/pl061.c
index ee568c8fcbd0..5005990f751f 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)
232 desc->chip->unmask(irq); 232 desc->chip->unmask(irq);
233} 233}
234 234
235static int __init pl061_probe(struct amba_device *dev, struct amba_id *id) 235static int pl061_probe(struct amba_device *dev, struct amba_id *id)
236{ 236{
237 struct pl061_platform_data *pdata; 237 struct pl061_platform_data *pdata;
238 struct pl061_gpio *chip; 238 struct pl061_gpio *chip;
@@ -333,7 +333,7 @@ free_mem:
333 return ret; 333 return ret;
334} 334}
335 335
336static struct amba_id pl061_ids[] __initdata = { 336static struct amba_id pl061_ids[] = {
337 { 337 {
338 .id = 0x00041061, 338 .id = 0x00041061,
339 .mask = 0x000fffff, 339 .mask = 0x000fffff,