diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-28 13:56:34 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-28 13:56:34 -0400 |
commit | 04830fccdcafa7e0ea913990ae56437253553fef (patch) | |
tree | 16d423628a516f544a0e5bb8fd4f00d88a55395f /include/asm-generic | |
parent | 571503e10045c89af951962ea0bb783482663aad (diff) | |
parent | 1486a7409b42ec434be310e091ef68660a2f6cd0 (diff) |
Merge branch 'gpio/next' of git://git.secretlab.ca/git/linux-2.6
* 'gpio/next' of git://git.secretlab.ca/git/linux-2.6:
gpio/pch_gpio: Support new device ML7223
gpio: make gpio_{request,free}_array gpio array parameter const
GPIO: OMAP: move to drivers/gpio
GPIO: OMAP: move register offset defines into <plat/gpio.h>
gpio: Convert gpio_is_valid to return bool
gpio: Move the s5pc100 GPIO to drivers/gpio
gpio: Move the s5pv210 GPIO to drivers/gpio
gpio: Move the exynos4 GPIO to drivers/gpio
gpio: Move to Samsung common GPIO library to drivers/gpio
gpio/nomadik: add function to read GPIO pull down status
gpio/nomadik: show all pins in debug
gpio: move Nomadik GPIO driver to drivers/gpio
gpio: move U300 GPIO driver to drivers/gpio
langwell_gpio: add runtime pm support
gpio/pca953x: Add support for pca9574 and pca9575 devices
gpio/cs5535: Show explicit dependency between gpio_cs5535 and mfd_cs5535
Diffstat (limited to 'include/asm-generic')
-rw-r--r-- | include/asm-generic/gpio.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index ff5c66080c8c..fcdcb5d5c995 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h | |||
@@ -35,9 +35,9 @@ | |||
35 | * platform data and other tables. | 35 | * platform data and other tables. |
36 | */ | 36 | */ |
37 | 37 | ||
38 | static inline int gpio_is_valid(int number) | 38 | static inline bool gpio_is_valid(int number) |
39 | { | 39 | { |
40 | return ((unsigned)number) < ARCH_NR_GPIOS; | 40 | return number >= 0 && number < ARCH_NR_GPIOS; |
41 | } | 41 | } |
42 | 42 | ||
43 | struct device; | 43 | struct device; |
@@ -193,8 +193,8 @@ struct gpio { | |||
193 | }; | 193 | }; |
194 | 194 | ||
195 | extern int gpio_request_one(unsigned gpio, unsigned long flags, const char *label); | 195 | extern int gpio_request_one(unsigned gpio, unsigned long flags, const char *label); |
196 | extern int gpio_request_array(struct gpio *array, size_t num); | 196 | extern int gpio_request_array(const struct gpio *array, size_t num); |
197 | extern void gpio_free_array(struct gpio *array, size_t num); | 197 | extern void gpio_free_array(const struct gpio *array, size_t num); |
198 | 198 | ||
199 | #ifdef CONFIG_GPIO_SYSFS | 199 | #ifdef CONFIG_GPIO_SYSFS |
200 | 200 | ||
@@ -212,7 +212,7 @@ extern void gpio_unexport(unsigned gpio); | |||
212 | 212 | ||
213 | #else /* !CONFIG_GPIOLIB */ | 213 | #else /* !CONFIG_GPIOLIB */ |
214 | 214 | ||
215 | static inline int gpio_is_valid(int number) | 215 | static inline bool gpio_is_valid(int number) |
216 | { | 216 | { |
217 | /* only non-negative numbers are valid */ | 217 | /* only non-negative numbers are valid */ |
218 | return number >= 0; | 218 | return number >= 0; |