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| author | GuanXuetao <gxt@mprc.pku.edu.cn> | 2011-02-26 21:21:18 +0800 |
|---|---|---|
| committer | GuanXuetao <gxt@mprc.pku.edu.cn> | 2011-03-17 09:19:19 +0800 |
| commit | e5abf78b57199a417eb01ff922a5ea6ff9e10b61 (patch) | |
| tree | 6f72a13d44c0dc8c4d575d84885f5694c16ed1da /arch/unicore32/include/asm/gpio.h | |
| parent | 4517366d870b89d6fb8c0c90deb6c73d975908af (diff) | |
| download | kernel_samsung_smdk4412-e5abf78b57199a417eb01ff922a5ea6ff9e10b61.zip kernel_samsung_smdk4412-e5abf78b57199a417eb01ff922a5ea6ff9e10b61.tar.gz kernel_samsung_smdk4412-e5abf78b57199a417eb01ff922a5ea6ff9e10b61.tar.bz2 | |
unicore32 io: redefine __REG(x) and re-use readl/writel funcs
-- by advice of Arnd Bergmann
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/unicore32/include/asm/gpio.h')
| -rw-r--r-- | arch/unicore32/include/asm/gpio.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/unicore32/include/asm/gpio.h b/arch/unicore32/include/asm/gpio.h index 3aaa41e..2716f14 100644 --- a/arch/unicore32/include/asm/gpio.h +++ b/arch/unicore32/include/asm/gpio.h @@ -13,6 +13,7 @@ #ifndef __UNICORE_GPIO_H__ #define __UNICORE_GPIO_H__ +#include <linux/io.h> #include <asm/irq.h> #include <mach/hardware.h> #include <asm-generic/gpio.h> @@ -66,7 +67,7 @@ static inline int gpio_get_value(unsigned gpio) { if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX)) - return GPIO_GPLR & GPIO_GPIO(gpio); + return readl(GPIO_GPLR) & GPIO_GPIO(gpio); else return __gpio_get_value(gpio); } @@ -75,9 +76,9 @@ static inline void gpio_set_value(unsigned gpio, int value) { if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX)) if (value) - GPIO_GPSR = GPIO_GPIO(gpio); + writel(GPIO_GPIO(gpio), GPIO_GPSR); else - GPIO_GPCR = GPIO_GPIO(gpio); + writel(GPIO_GPIO(gpio), GPIO_GPCR); else __gpio_set_value(gpio, value); } @@ -86,7 +87,7 @@ static inline void gpio_set_value(unsigned gpio, int value) static inline unsigned gpio_to_irq(unsigned gpio) { - if ((gpio < IRQ_GPIOHIGH) && (FIELD(1, 1, gpio) & GPIO_GPIR)) + if ((gpio < IRQ_GPIOHIGH) && (FIELD(1, 1, gpio) & readl(GPIO_GPIR))) return IRQ_GPIOLOW0 + gpio; else return IRQ_GPIO0 + gpio; |