Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758435Ab3EOI6k (ORCPT ); Wed, 15 May 2013 04:58:40 -0400 Received: from va3ehsobe005.messaging.microsoft.com ([216.32.180.31]:54245 "EHLO va3outboundpool.messaging.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757905Ab3EOI4g (ORCPT ); Wed, 15 May 2013 04:56:36 -0400 X-Forefront-Antispam-Report: CIP:70.37.183.190;KIP:(null);UIP:(null);IPV:NLI;H:mail.freescale.net;RD:none;EFVD:NLI X-SpamScore: 5 X-BigFish: VS5(z616jzzz1f42h1ee6h1de0h1fdah1202h1e76h1d1ah1d2ah1fc6h1082kzz8275bhz2dh2a8h668h839hd24he5bhf0ah1288h12a5h12a9h12bdh12e5h137ah139eh13b6h1441h1504h1537h162dh1631h1758h1898h18e1h1946h19b5h1ad9h1b0ah1d0ch1d2eh1d3fh1155h) From: Huang Shijie To: CC: , , , , Huang Shijie Subject: [PATCH v5 03/11] mtd: get the ECC info from the parameter page for ONFI nand Date: Wed, 15 May 2013 16:40:26 +0800 Message-ID: <1368607232-2210-4-git-send-email-b32955@freescale.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1368607232-2210-1-git-send-email-b32955@freescale.com> References: <1368607232-2210-1-git-send-email-b32955@freescale.com> MIME-Version: 1.0 Content-Type: text/plain X-OriginatorOrg: freescale.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 996 Lines: 33 >From the ONFI spec, we can just get the ECC info from the @ecc_bits field of the parameter page. Signed-off-by: Huang Shijie --- drivers/mtd/nand/nand_base.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index edc7663..15630ef 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -2900,6 +2900,11 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip, if (le16_to_cpu(p->features) & 1) *busw = NAND_BUSWIDTH_16; + if (p->ecc_bits != 0xff) { + chip->ecc_strength = p->ecc_bits; + chip->ecc_step = 512; + } + pr_info("ONFI flash detected\n"); return 1; } -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/