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
--- Changes for v2: - use my real name in the "Signed-off-by" line - rewrite the patch description --- drivers/mtd/cfi_flash.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c index 722c3fc..35294bc 100644 --- a/drivers/mtd/cfi_flash.c +++ b/drivers/mtd/cfi_flash.c @@ -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)) ==