From patchwork Sat Feb 11 11:45:02 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bastian Hecht X-Patchwork-Id: 140777 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 E7A40B6F99 for ; Sat, 11 Feb 2012 22:47:31 +1100 (EST) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1RwBPX-0004Bo-2t; Sat, 11 Feb 2012 11:46:35 +0000 Received: from mail-bk0-f49.google.com ([209.85.214.49]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1RwBPD-000478-8G for linux-mtd@lists.infradead.org; Sat, 11 Feb 2012 11:46:15 +0000 Received: by mail-bk0-f49.google.com with SMTP id jk13so3578629bkc.36 for ; Sat, 11 Feb 2012 03:46:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; bh=u6sgruY/VtHWoy/53u8IUJUKd1HsZGGdEB/NFPkDfPM=; b=sVXgXSL7LqmoELvgl2mdwwWjV1S5c2ArZXY9zUAOm/dHU+ndUKffDL1U1obkkzsuch T4a/rrGL/ZdoxsZ/gdDImOOPjEhLRvF9/Gjt+LVCmJlNgWOIi8ne+EoJew7neFxZKuMF fyzy1uc9Rd0NL6K8qKqdZgPIIj2YxlgXpRYYw= Received: by 10.204.157.17 with SMTP id z17mr3943101bkw.37.1328960774455; Sat, 11 Feb 2012 03:46:14 -0800 (PST) Received: from localhost.localdomain (188-195-89-156-dynip.superkabel.de. [188.195.89.156]) by mx.google.com with ESMTPS id w15sm26472528bku.0.2012.02.11.03.46.13 (version=TLSv1/SSLv3 cipher=OTHER); Sat, 11 Feb 2012 03:46:13 -0800 (PST) From: Bastian Hecht To: linux-sh@vger.kernel.org, linux-mtd@lists.infradead.org Subject: [PATCH v2 4/7] mtd: sh_flctl: Implement NAND_CMD_RNDOUT command Date: Sat, 11 Feb 2012 12:45:02 +0100 Message-Id: <1328960705-18699-5-git-send-email-hechtb@gmail.com> X-Mailer: git-send-email 1.7.5.4 In-Reply-To: <1328960705-18699-1-git-send-email-hechtb@gmail.com> References: <1328960705-18699-1-git-send-email-hechtb@gmail.com> X-Spam-Note: CRM114 invocation failed X-Spam-Score: -2.7 (--) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-2.7 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [209.85.214.49 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (hechtb[at]googlemail.com) -0.0 SPF_PASS SPF: sender matches SPF record -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature Cc: Magnus Damm , Laurent Pichart 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 Implements the command to seek and read in pages. Signed-off-by: Bastian Hecht --- changelog: exactly same as patch v1. drivers/mtd/nand/sh_flctl.c | 13 +++++++++++++ 1 files changed, 13 insertions(+), 0 deletions(-) diff --git a/drivers/mtd/nand/sh_flctl.c b/drivers/mtd/nand/sh_flctl.c index 407acb5..5c3e71f 100644 --- a/drivers/mtd/nand/sh_flctl.c +++ b/drivers/mtd/nand/sh_flctl.c @@ -303,6 +303,7 @@ static void set_cmd_regs(struct mtd_info *mtd, uint32_t cmd, uint32_t flcmcdr_va break; case NAND_CMD_READ0: case NAND_CMD_READOOB: + case NAND_CMD_RNDOUT: addr_len_bytes = flctl->rw_ADRCNT; flcmdcr_val |= CDSRC_E; if (flctl->chip.options & NAND_BUSWIDTH_16) @@ -558,6 +559,18 @@ static void flctl_cmdfunc(struct mtd_info *mtd, unsigned int command, flctl->read_bytes = mtd->oobsize; goto read_normal_exit; + case NAND_CMD_RNDOUT: + if (flctl->page_size) + set_cmd_regs(mtd, command, (NAND_CMD_RNDOUTSTART << 8) + | command); + else + set_cmd_regs(mtd, command, command); + + set_addr(mtd, column, 0); + + flctl->read_bytes = mtd->writesize + mtd->oobsize - column; + goto read_normal_exit; + case NAND_CMD_READID: set_cmd_regs(mtd, command, command);