diff options
Diffstat (limited to 'arch/powerpc/platforms/powermac/nvram.c')
| -rw-r--r-- | arch/powerpc/platforms/powermac/nvram.c | 43 |
1 files changed, 19 insertions, 24 deletions
diff --git a/arch/powerpc/platforms/powermac/nvram.c b/arch/powerpc/platforms/powermac/nvram.c index 54d2271..014d06e6 100644 --- a/arch/powerpc/platforms/powermac/nvram.c +++ b/arch/powerpc/platforms/powermac/nvram.c @@ -23,7 +23,6 @@ #include <linux/spinlock.h> #include <asm/sections.h> #include <asm/io.h> -#include <asm/system.h> #include <asm/prom.h> #include <asm/machdep.h> #include <asm/nvram.h> @@ -279,7 +278,7 @@ static u32 core99_check(u8* datas) static int sm_erase_bank(int bank) { - int stat, i; + int stat; unsigned long timeout; u8 __iomem *base = (u8 __iomem *)nvram_data + core99_bank*NVRAM_SIZE; @@ -301,11 +300,10 @@ static int sm_erase_bank(int bank) out_8(base, SM_FLASH_CMD_CLEAR_STATUS); out_8(base, SM_FLASH_CMD_RESET); - for (i=0; i<NVRAM_SIZE; i++) - if (base[i] != 0xff) { - printk(KERN_ERR "nvram: Sharp/Micron flash erase failed !\n"); - return -ENXIO; - } + if (memchr_inv(base, 0xff, NVRAM_SIZE)) { + printk(KERN_ERR "nvram: Sharp/Micron flash erase failed !\n"); + return -ENXIO; + } return 0; } @@ -336,17 +334,16 @@ static int sm_write_bank(int bank, u8* datas) } out_8(base, SM_FLASH_CMD_CLEAR_STATUS); out_8(base, SM_FLASH_CMD_RESET); - for (i=0; i<NVRAM_SIZE; i++) - if (base[i] != datas[i]) { - printk(KERN_ERR "nvram: Sharp/Micron flash write failed !\n"); - return -ENXIO; - } + if (memcmp(base, datas, NVRAM_SIZE)) { + printk(KERN_ERR "nvram: Sharp/Micron flash write failed !\n"); + return -ENXIO; + } return 0; } static int amd_erase_bank(int bank) { - int i, stat = 0; + int stat = 0; unsigned long timeout; u8 __iomem *base = (u8 __iomem *)nvram_data + core99_bank*NVRAM_SIZE; @@ -382,12 +379,11 @@ static int amd_erase_bank(int bank) /* Reset */ out_8(base, 0xf0); udelay(1); - - for (i=0; i<NVRAM_SIZE; i++) - if (base[i] != 0xff) { - printk(KERN_ERR "nvram: AMD flash erase failed !\n"); - return -ENXIO; - } + + if (memchr_inv(base, 0xff, NVRAM_SIZE)) { + printk(KERN_ERR "nvram: AMD flash erase failed !\n"); + return -ENXIO; + } return 0; } @@ -429,11 +425,10 @@ static int amd_write_bank(int bank, u8* datas) out_8(base, 0xf0); udelay(1); - for (i=0; i<NVRAM_SIZE; i++) - if (base[i] != datas[i]) { - printk(KERN_ERR "nvram: AMD flash write failed !\n"); - return -ENXIO; - } + if (memcmp(base, datas, NVRAM_SIZE)) { + printk(KERN_ERR "nvram: AMD flash write failed !\n"); + return -ENXIO; + } return 0; } |
