From: Kyungmin Park <kmpark@infradead.org>
To: linux-mtd@lists.infradead.org
Cc: dwmw2@infradead.org, dedekind1@gmail.com
Subject: [PATCH] mtd: OneNAND: Fix multi block erase support at 4KiB pagesize
Date: Mon, 06 Dec 2010 09:05:18 +0900 [thread overview]
Message-ID: <20101206000518.GA18352@july> (raw)
From: Kyungmin Park <kyungmin.park@samsung.com>
Original 4KiB pagesize chip (SLC) doesn't support Multi block erase at Spec.
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index c38bf9c..88f23e3 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -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);
next reply other threads:[~2010-12-06 0:05 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-06 0:05 Kyungmin Park [this message]
2010-12-14 16:01 ` [PATCH] mtd: OneNAND: Fix multi block erase support at 4KiB pagesize Artem Bityutskiy
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