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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-28 10:56:34 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-28 10:56:34 -0700 |
| commit | 04830fccdcafa7e0ea913990ae56437253553fef (patch) | |
| tree | 16d423628a516f544a0e5bb8fd4f00d88a55395f /include/asm-generic | |
| parent | 571503e10045c89af951962ea0bb783482663aad (diff) | |
| parent | 1486a7409b42ec434be310e091ef68660a2f6cd0 (diff) | |
| download | kernel-mfld-blackbay-04830fccdcafa7e0ea913990ae56437253553fef.tar.gz kernel-mfld-blackbay-04830fccdcafa7e0ea913990ae56437253553fef.tar.bz2 kernel-mfld-blackbay-04830fccdcafa7e0ea913990ae56437253553fef.zip | |
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 ff5c66080c8..fcdcb5d5c99 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -35,9 +35,9 @@ * platform data and other tables. */ -static inline int gpio_is_valid(int number) +static inline bool gpio_is_valid(int number) { - return ((unsigned)number) < ARCH_NR_GPIOS; + return number >= 0 && number < ARCH_NR_GPIOS; } struct device; @@ -193,8 +193,8 @@ struct gpio { }; extern int gpio_request_one(unsigned gpio, unsigned long flags, const char *label); -extern int gpio_request_array(struct gpio *array, size_t num); -extern void gpio_free_array(struct gpio *array, size_t num); +extern int gpio_request_array(const struct gpio *array, size_t num); +extern void gpio_free_array(const struct gpio *array, size_t num); #ifdef CONFIG_GPIO_SYSFS @@ -212,7 +212,7 @@ extern void gpio_unexport(unsigned gpio); #else /* !CONFIG_GPIOLIB */ -static inline int gpio_is_valid(int number) +static inline bool gpio_is_valid(int number) { /* only non-negative numbers are valid */ return number >= 0; |