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cfi: fix the incomplete erased status check in buffer write

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Without the fix, flash_write_cfibuffer will terminate the erased
status check once an all-0xFF word has been found instead of
continuing the erased status check utill the first non-0xFF word.

Signed-off-by: Tao Hou <hotforest@gmail.com>
Cc: Stefan Roese <sr@denx.de>
Signed-off-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Tao Hou 2012-03-15 23:33:58 +08:00 committed by Stefan Roese
parent dbb87bbd8e
commit 85c344e5f9
1 changed files with 2 additions and 2 deletions
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4
drivers/mtd/cfi_flash.c
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@ -873,7 +873,7 @@ static int flash_write_cfibuffer (flash_info_t * info, ulong dest, uchar * cp,
void *src = cp;
void *dst = (void *)dest;
void *dst2 = dst;
int flag = 0;
int flag = 1;
uint offset = 0;
unsigned int shift;
uchar write_cmd;
@ -898,7 +898,7 @@ static int flash_write_cfibuffer (flash_info_t * info, ulong dest, uchar * cp,
cnt = len >> shift;
while ((cnt-- > 0) && (flag == 0)) {
while ((cnt-- > 0) && (flag == 1)) {
switch (info->portwidth) {
case FLASH_CFI_8BIT:
flag = ((flash_read8(dst2) & flash_read8(src)) ==