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mtd: OneNAND: Fix multi block erase support at 4KiB pagesize 

Original 4KiB pagesize chip (SLC) doesn't support Multi block erase at Spec.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Kyungmin Park 2010-12-06 09:05:18 +09:00 committed by David Woodhouse
parent beda1d4994
commit d983c54ebd
1 changed files with 2 additions and 1 deletions
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3
drivers/mtd/onenand/onenand_base.c
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@ -2492,7 +2492,8 @@ static int onenand_erase(struct mtd_info *mtd, struct erase_info *instr)
/* Grab the lock and see if the device is available */
onenand_get_device(mtd, FL_ERASING);
if (region || instr->len < MB_ERASE_MIN_BLK_COUNT * block_size) {
if (ONENAND_IS_4KB_PAGE(this) || region ||
instr->len < MB_ERASE_MIN_BLK_COUNT * block_size) {
/* region is set for Flex-OneNAND (no mb erase) */
ret = onenand_block_by_block_erase(mtd, instr,
region, block_size);