From patchwork Tue Sep 14 08:06:06 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rohit Hassan Sathyanarayan X-Patchwork-Id: 64676 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from bombadil.infradead.org (bombadil.infradead.org [18.85.46.34]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id E9F79B6EFE for ; Tue, 14 Sep 2010 18:07:32 +1000 (EST) Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.72 #1 (Red Hat Linux)) id 1OvQWs-0003EL-Pp; Tue, 14 Sep 2010 08:06:14 +0000 Received: from mailout3.samsung.com ([203.254.224.33]) by bombadil.infradead.org with esmtp (Exim 4.72 #1 (Red Hat Linux)) id 1OvQWq-00033Y-I8 for linux-mtd@lists.infradead.org; Tue, 14 Sep 2010 08:06:13 +0000 Received: from epmmp1 (mailout3.samsung.com [203.254.224.33]) by mailout3.samsung.com (Sun Java(tm) System Messaging Server 7u3-15.01 64bit (built Feb 12 2010)) with ESMTP id <0L8Q002ND968TWB0@mailout3.samsung.com> for linux-mtd@lists.infradead.org; Tue, 14 Sep 2010 17:06:08 +0900 (KST) Received: from roh83 ([107.108.214.183]) by mmp1.samsung.com (iPlanet Messaging Server 5.2 Patch 2 (built Jul 14 2004)) with ESMTPA id <0L8Q00KVH966XR@mmp1.samsung.com> for linux-mtd@lists.infradead.org; Tue, 14 Sep 2010 17:06:08 +0900 (KST) Date: Tue, 14 Sep 2010 13:36:06 +0530 From: Rohit Hassan Sathyanarayan Subject: [PATCH 1/2][MTD]MLC device check in OneNAND driver To: dedekind1@gmail.com Message-id: <000001cb53e3$afc0f090$0f42d1b0$%hs@samsung.com> MIME-version: 1.0 X-Mailer: Microsoft Office Outlook 12.0 Content-language: en-us Thread-index: ActT4656kUr0oSuQT+6AOMQ2FQoBjQ== X-CRM114-Version: 20090807-BlameThorstenAndJenny ( TRE 0.7.6 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20100914_040612_832374_711D601E X-CRM114-Status: GOOD ( 19.60 ) X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.3.1 on bombadil.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at http://www.dnswl.org/, medium trust [203.254.224.33 listed in list.dnswl.org] -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain Cc: v.dalal@samsung.com, linux-mtd@lists.infradead.org X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-mtd-bounces@lists.infradead.org Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Hi Artem, This MLC device check will be required for adding MLC support in file system. Signed-off-by: Rohit HS --- drivers/mtd/onenand/onenand_base.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) --- Regards, Rohit.H.S diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c index a2bb520..59af37d 100644 --- a/drivers/mtd/onenand/onenand_base.c +++ b/drivers/mtd/onenand/onenand_base.c @@ -4028,7 +4028,8 @@ int onenand_scan(struct mtd_info *mtd, int maxchips) /* Fill in remaining MTD driver data */ mtd->type = MTD_NANDFLASH; - mtd->flags = MTD_CAP_NANDFLASH; + mtd->flags = ONENAND_IS_MLC(this) ? MTD_CAP_MLCNANDFLASH + : MTD_CAP_NANDFLASH; mtd->erase = onenand_erase; mtd->point = NULL; mtd->unpoint = NULL;