diff options
| author | GuanXuetao | 2011-02-18 18:38:33 +0800 |
|---|---|---|
| committer | GuanXuetao | 2011-03-17 09:19:18 +0800 |
| commit | 3838b82c0a6806daf820acacf02cd9aefe9df7b8 (patch) | |
| tree | d3c1c29009b670298d7f18dd6e164421af3eda05 /drivers | |
| parent | bd42aa75b4231b5fd3742de4c4b84ad590a7d654 (diff) | |
unicore32 i8042: adjust io funcs of i8042-unicore32io.h
replace inb/outb with readb/writeb in i8042-unicore32io.h
and correct typecasting of register and region macros
-- by advice with Arnd Bergmann
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/input/serio/i8042-unicore32io.h | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/input/serio/i8042-unicore32io.h b/drivers/input/serio/i8042-unicore32io.h index 6a7e8b3ce61a..2cdd8726446f 100644 --- a/drivers/input/serio/i8042-unicore32io.h +++ b/drivers/input/serio/i8042-unicore32io.h @@ -29,33 +29,36 @@ /* * Register numbers. */ -#define I8042_COMMAND_REG ((unsigned long)&PS2_COMMAND) -#define I8042_STATUS_REG ((unsigned long)&PS2_STATUS) -#define I8042_DATA_REG ((unsigned long)&PS2_DATA) +#define I8042_COMMAND_REG ((volatile void __iomem *)&PS2_COMMAND) +#define I8042_STATUS_REG ((volatile void __iomem *)&PS2_STATUS) +#define I8042_DATA_REG ((volatile void __iomem *)&PS2_DATA) + +#define I8042_REGION_START (resource_size_t)(&PS2_DATA) +#define I8042_REGION_SIZE (resource_size_t)(16) static inline int i8042_read_data(void) { - return inb(I8042_DATA_REG); + return readb(I8042_DATA_REG); } static inline int i8042_read_status(void) { - return inb(I8042_STATUS_REG); + return readb(I8042_STATUS_REG); } static inline void i8042_write_data(int val) { - outb(val, I8042_DATA_REG); + writeb(val, I8042_DATA_REG); } static inline void i8042_write_command(int val) { - outb(val, I8042_COMMAND_REG); + writeb(val, I8042_COMMAND_REG); } static inline int i8042_platform_init(void) { - if (!request_region(I8042_DATA_REG, 16, "i8042")) + if (!request_region(I8042_REGION_START, I8042_REGION_SIZE, "i8042")) return -EBUSY; i8042_reset = 1; @@ -64,7 +67,7 @@ static inline int i8042_platform_init(void) static inline void i8042_platform_exit(void) { - release_region(I8042_DATA_REG, 16); + release_region(I8042_REGION_START, I8042_REGION_SIZE); } #endif /* _I8042_UNICORE32_H */ |