Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753752AbcKZSLD (ORCPT ); Sat, 26 Nov 2016 13:11:03 -0500 Received: from conuserg-11.nifty.com ([210.131.2.78]:48674 "EHLO conuserg-11.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753339AbcKZSIv (ORCPT ); Sat, 26 Nov 2016 13:08:51 -0500 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-11.nifty.com uAQI6Uf6018512 X-Nifty-SrcIP: [111.169.71.157] From: Masahiro Yamada To: linux-mtd@lists.infradead.org Cc: Masahiro Yamada , linux-kernel@vger.kernel.org, Boris Brezillon , Marek Vasut , Brian Norris , Richard Weinberger , David Woodhouse , Cyrille Pitchen Subject: [PATCH 34/39] mtd: nand: denali: fix the condition for 15 bit ECC strength Date: Sun, 27 Nov 2016 03:06:20 +0900 Message-Id: <1480183585-592-35-git-send-email-yamada.masahiro@socionext.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1480183585-592-1-git-send-email-yamada.masahiro@socionext.com> References: <1480183585-592-1-git-send-email-yamada.masahiro@socionext.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 761 Lines: 24 It is valid to use the ECC when the OOB size is exactly the same as the necessary size. Signed-off-by: Masahiro Yamada --- drivers/mtd/nand/denali.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c index 5d80f16..c17e92b 100644 --- a/drivers/mtd/nand/denali.c +++ b/drivers/mtd/nand/denali.c @@ -1600,7 +1600,7 @@ int denali_init(struct denali_nand_info *denali) * SLC if possible. * */ if (!nand_is_slc(chip) && - mtd->oobsize > denali->bbtskipbytes + + mtd->oobsize >= denali->bbtskipbytes + ECC_15BITS * (mtd->writesize / chip->ecc.size)) { /* if MLC OOB size is large enough, use 15bit ECC*/ chip->ecc.strength = 15; -- 2.7.4