diff options
| author |   Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> | 2008-09-15 22:02:43 +0200 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2008-09-17 14:58:46 +0200 |
| commit | fbdbf709938d155c719c76b9894d28342632c797 (patch) | |
| tree | 85afb8ced55a88080db009089174ea2fb7c61eeb /include/asm-x86/mach-rdc321x | |
| parent | x86: print DMI information in the oops trace (diff) | |
| download | linux-dev-fbdbf709938d155c719c76b9894d28342632c797.tar.xz linux-dev-fbdbf709938d155c719c76b9894d28342632c797.zip | |
x86, debug: gpio_free might sleep
According to the documentation gpio_free should only be called from task
context only. To make this more explicit add a might sleep to all
implementations.
This patch changes the gpio_free implementations for the x86
architecture.
Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/mach-rdc321x')
| -rw-r--r-- | include/asm-x86/mach-rdc321x/gpio.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-x86/mach-rdc321x/gpio.h b/include/asm-x86/mach-rdc321x/gpio.h index acce0b7d397b..3639ece6485a 100644 --- a/include/asm-x86/mach-rdc321x/gpio.h +++ b/include/asm-x86/mach-rdc321x/gpio.h @@ -1,6 +1,8 @@ #ifndef _RDC321X_GPIO_H #define _RDC321X_GPIO_H +#include <linux/kernel.h> + extern int rdc_gpio_get_value(unsigned gpio); extern void rdc_gpio_set_value(unsigned gpio, int value); extern int rdc_gpio_direction_input(unsigned gpio); @@ -18,6 +20,7 @@ static inline int gpio_request(unsigned gpio, const char *label) static inline void gpio_free(unsigned gpio) { + might_sleep(); rdc_gpio_free(gpio); } |