From patchwork Mon Aug 19 02:31:11 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Huang Shijie X-Patchwork-Id: 268064 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from casper.infradead.org (unknown [IPv6:2001:770:15f::2]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id B408B2C0167 for ; Mon, 19 Aug 2013 12:35:52 +1000 (EST) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VBFJR-0004RG-2p; Mon, 19 Aug 2013 02:35:21 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VBFJM-0004gk-Eh; Mon, 19 Aug 2013 02:35:16 +0000 Received: from co1ehsobe004.messaging.microsoft.com ([216.32.180.187] helo=co1outboundpool.messaging.microsoft.com) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VBFJC-0004eU-Rc for linux-mtd@lists.infradead.org; Mon, 19 Aug 2013 02:35:07 +0000 Received: from mail189-co1-R.bigfish.com (10.243.78.251) by CO1EHSOBE003.bigfish.com (10.243.66.66) with Microsoft SMTP Server id 14.1.225.22; Mon, 19 Aug 2013 02:34:44 +0000 Received: from mail189-co1 (localhost [127.0.0.1]) by mail189-co1-R.bigfish.com (Postfix) with ESMTP id 3DB498400A5; Mon, 19 Aug 2013 02:34:44 +0000 (UTC) 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: 3 X-BigFish: VS3(zzzz1f42h208ch1ee6h1de0h1fdah2073h1202h1e76h1d1ah1d2ah1fc6h1082kzz1de098h8275bh1de097hz2dh2a8h839hd24he5bhf0ah1288h12a5h12a9h12bdh12e5h137ah139eh13b6h1441h1504h1537h162dh1631h1758h1898h18e1h1946h19b5h1ad9h1b0ah1b2fh1fb3h1d0ch1d2eh1d3fh1dfeh1dffh1e23h1fe8h1ff5h1155h) Received: from mail189-co1 (localhost.localdomain [127.0.0.1]) by mail189-co1 (MessageSwitch) id 1376879682782776_2847; Mon, 19 Aug 2013 02:34:42 +0000 (UTC) Received: from CO1EHSMHS025.bigfish.com (unknown [10.243.78.247]) by mail189-co1.bigfish.com (Postfix) with ESMTP id BA372100047; Mon, 19 Aug 2013 02:34:42 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by CO1EHSMHS025.bigfish.com (10.243.66.35) with Microsoft SMTP Server (TLS) id 14.16.227.3; Mon, 19 Aug 2013 02:34:42 +0000 Received: from tx30smr01.am.freescale.net (10.81.153.31) by 039-SN1MMR1-001.039d.mgd.msft.net (10.84.1.13) with Microsoft SMTP Server (TLS) id 14.3.146.2; Mon, 19 Aug 2013 02:34:41 +0000 Received: from shlinux2.ap.freescale.net (shlinux2.ap.freescale.net [10.192.224.44]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id r7J2YVVt011863; Sun, 18 Aug 2013 19:34:38 -0700 From: Huang Shijie To: Subject: [PATCH v2 2/9] mtd: set the cell information for ONFI nand Date: Mon, 19 Aug 2013 10:31:11 +0800 Message-ID: <1376879478-22128-3-git-send-email-b32955@freescale.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1376879478-22128-1-git-send-email-b32955@freescale.com> References: <1376879478-22128-1-git-send-email-b32955@freescale.com> MIME-Version: 1.0 X-OriginatorOrg: freescale.com X-FOPE-CONNECTOR: Id%0$Dn%*$RO%0$TLS%0$FQDN%$TlsDn% X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130818_223507_015058_79EF7228 X-CRM114-Status: GOOD ( 12.21 ) X-Spam-Score: -2.6 (--) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-2.6 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [216.32.180.187 listed in list.dnswl.org] -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: dedekind1@gmail.com, akinobu.mita@gmail.com, matthieu.castet@parrot.com, Huang Shijie , linux-mtd@lists.infradead.org, computersforpeace@gmail.com X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org The current code does not set the SLC/MLC information for onfi nand. (This makes that the kernel treats all the onfi nand as SLC nand.) This patch fills the cell type information for ONFI nands. Signed-off-by: Huang Shijie --- drivers/mtd/nand/nand_base.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 567cbcd..69c4b25 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -2988,6 +2988,7 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip, mtd->oobsize = le16_to_cpu(p->spare_bytes_per_page); chip->chipsize = le32_to_cpu(p->blocks_per_lun); chip->chipsize *= (uint64_t)mtd->erasesize * p->lun_count; + chip->bits_per_cell = p->bits_per_cell; if (onfi_feature(chip) & ONFI_FEATURE_16_BIT_BUS) *busw = NAND_BUSWIDTH_16;