From 85c344e5f98408c0bcf988a6c6fca68c1f3c2015 Mon Sep 17 00:00:00 2001 From: Tao Hou Date: Thu, 15 Mar 2012 23:33:58 +0800 Subject: [PATCH] cfi: fix the incomplete erased status check in buffer write 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 Cc: Stefan Roese Signed-off-by: Stefan Roese --- drivers/mtd/cfi_flash.c | 4 ++-- 1 file 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)) == -- 2.7.4