From patchwork Tue Nov 5 12:55:18 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ezequiel Garcia X-Patchwork-Id: 3141911 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id DBEDBBEEB2 for ; Tue, 5 Nov 2013 14:23:48 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 31A7120597 for ; Tue, 5 Nov 2013 14:23:44 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B29EF2058E for ; Tue, 5 Nov 2013 14:23:42 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VdgEH-0008HQ-J2; Tue, 05 Nov 2013 12:59:34 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VdgDP-0000FU-VF; Tue, 05 Nov 2013 12:58:39 +0000 Received: from top.free-electrons.com ([176.31.233.9] helo=mail.free-electrons.com) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VdgBV-0008Nt-DE; Tue, 05 Nov 2013 12:56:42 +0000 Received: by mail.free-electrons.com (Postfix, from userid 106) id 78B9E819; Tue, 5 Nov 2013 13:56:31 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from localhost.localdomain (unknown [190.2.98.212]) by mail.free-electrons.com (Postfix) with ESMTPA id AB45D7E4; Tue, 5 Nov 2013 13:56:27 +0100 (CET) From: Ezequiel Garcia To: , Subject: [PATCH v3 11/28] mtd: nand: pxa3xx: Add a nice comment to pxa3xx_set_datasize() Date: Tue, 5 Nov 2013 09:55:18 -0300 Message-Id: <1383656135-8627-12-git-send-email-ezequiel.garcia@free-electrons.com> X-Mailer: git-send-email 1.8.1.5 In-Reply-To: <1383656135-8627-1-git-send-email-ezequiel.garcia@free-electrons.com> References: <1383656135-8627-1-git-send-email-ezequiel.garcia@free-electrons.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20131105_075641_601345_AB2BCEE3 X-CRM114-Status: UNSURE ( 8.43 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.2 (-) Cc: Lior Amsalem , Thomas Petazzoni , Jason Cooper , Tawfik Bayouk , Daniel Mack , Huang Shijie , Ezequiel Garcia , Gregory Clement , Brian Norris , Willy Tarreau X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add a comment clarifying the use of pxa3xx_set_datasize() which is only applicable on data read/write commands (i.e. commands with a data cycle, such as READID, READ0, STATUS, etc.) Signed-off-by: Ezequiel Garcia --- drivers/mtd/nand/pxa3xx_nand.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c index c558cadb..2fb0f38 100644 --- a/drivers/mtd/nand/pxa3xx_nand.c +++ b/drivers/mtd/nand/pxa3xx_nand.c @@ -302,6 +302,11 @@ static void pxa3xx_nand_set_timing(struct pxa3xx_nand_host *host, nand_writel(info, NDTR1CS0, ndtr1); } +/* + * Set the data and OOB size, depending on the selected + * spare and ECC configuration. + * Only applicable to READ0, READOOB and PAGEPROG commands. + */ static void pxa3xx_set_datasize(struct pxa3xx_nand_info *info) { int oob_enable = info->reg_ndcr & NDCR_SPARE_EN;