From patchwork Fri Feb 3 08:43:13 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Artem Bityutskiy X-Patchwork-Id: 139320 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from merlin.infradead.org (unknown [IPv6:2001:4978:20e::2]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 46B54B71C2 for ; Fri, 3 Feb 2012 19:44:45 +1100 (EST) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1RtEkC-0007uq-Vk; Fri, 03 Feb 2012 08:43:45 +0000 Received: from mga02.intel.com ([134.134.136.20]) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1RtEjm-0007nZ-1e for linux-mtd@lists.infradead.org; Fri, 03 Feb 2012 08:43:19 +0000 Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP; 03 Feb 2012 00:43:17 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.67,352,1309762800"; d="scan'208";a="103474739" Received: from blue.fi.intel.com ([10.237.72.161]) by orsmga001.jf.intel.com with ESMTP; 03 Feb 2012 00:43:16 -0800 From: Artem Bityutskiy To: MTD Maling List Subject: [PATCH 7/8] mtd: spear_smi: initialize writebufsize Date: Fri, 3 Feb 2012 10:43:13 +0200 Message-Id: <7720c371a73549c301023b95ab0f8eaad7ebc6a9.1328257053.git.artem.bityutskiy@linux.intel.com> X-Mailer: git-send-email 1.7.9 In-Reply-To: <4fe90e9a0ba750bbdb34d04ca3437b493a19277f.1328257053.git.artem.bityutskiy@linux.intel.com> References: <4fe90e9a0ba750bbdb34d04ca3437b493a19277f.1328257053.git.artem.bityutskiy@linux.intel.com> In-Reply-To: <4fe90e9a0ba750bbdb34d04ca3437b493a19277f.1328257053.git.artem.bityutskiy@linux.intel.com> References: <4fe90e9a0ba750bbdb34d04ca3437b493a19277f.1328257053.git.artem.bityutskiy@linux.intel.com> X-Spam-Note: CRM114 invocation failed X-Spam-Score: -5.0 (-----) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-5.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/, high trust [134.134.136.20 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (dedekind1[at]gmail.com) 0.0 DKIM_ADSP_CUSTOM_MED No valid author signature, adsp_override is CUSTOM_MED 0.8 SPF_NEUTRAL SPF: sender does not match SPF record (neutral) 0.2 FREEMAIL_ENVFROM_END_DIGIT Envelope-from freemail username ends in digit (dedekind1[at]gmail.com) -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] 0.9 NML_ADSP_CUSTOM_MED ADSP custom_med hit, and not from a mailing list Cc: Shiraz Hashim , spear--sw-devel@lists.codex.cro.st.com, Stefan Roese X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-mtd-bounces@lists.infradead.org Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org From: Artem Bityutskiy The writebufsize concept was introduce by commit "0e4ca7e mtd: add writebufsize field to mtd_info struct" and it represents the maximum amount of data the device writes to the media at a time. This is an important parameter for UBIFS which is used during recovery and which basically defines how big a corruption caused by a power cut can be. Set writebufsize to the flash page size because it is the maximum amount of data it writes at a time. Signed-off-by: Artem Bityutskiy Cc: Stefan Roese Cc: Shiraz Hashim Cc: spear--sw-devel@lists.codex.cro.st.com Acked-by: Stefan Roese --- drivers/mtd/devices/spear_smi.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/mtd/devices/spear_smi.c b/drivers/mtd/devices/spear_smi.c index 77bcb0b..b4c02d6 100644 --- a/drivers/mtd/devices/spear_smi.c +++ b/drivers/mtd/devices/spear_smi.c @@ -847,6 +847,7 @@ static int spear_smi_setup_banks(struct platform_device *pdev, u32 bank) flash->mtd.size = flash_info->size; flash->mtd.erasesize = flash_devices[flash_index].sectorsize; flash->page_size = flash_devices[flash_index].pagesize; + flash->mtd.writebufsize = flash->page_size; flash->erase_cmd = flash_devices[flash_index].erase_cmd; flash->mtd._erase = spear_mtd_erase; flash->mtd._read = spear_mtd_read;