From patchwork Fri Mar 2 17:03:13 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 10255237 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B7657602B5 for ; Fri, 2 Mar 2018 17:16:43 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A23E61FFE6 for ; Fri, 2 Mar 2018 17:16:43 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 95AE720163; Fri, 2 Mar 2018 17:16:43 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 16B9E1FFE6 for ; Fri, 2 Mar 2018 17:16:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=pT8PKy+6CyGPDKkbnysESFEcn/qHvVGgSJiFIsF1WZg=; b=WoxFZIoOOGMabM2e5ysv2pKbM+ 9IdvPaj0kxfNB8gI+qb43ToP8NGCl1AZQOpDB5+Fqv70BH+NeV1y9Y99dzaniYOQN9RXOBuZaMJIT 3+YgR4aVYaUldyVGRAqI/gUgholWfaiFF24mmlHLqES+sjRo8wU2U4z54OdOEQUxavJ3qQ5/JEvk/ JIY/m5x4qcp9DflL4XdmwJ/QVW/bfhiM032BveYtyDk7SlBIRGim9KX/Ex6BruOGQ8A+pwnd+0eSN MyOwdZDX3ic1iKIh+WfXEVEpaQtpTB9oW6s85hapqm2VUUnobe/82QoDBLbOG0gAaw3/vTZpZRart cs93jnTQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.89 #1 (Red Hat Linux)) id 1eroII-0005fM-Sw; Fri, 02 Mar 2018 17:16:30 +0000 Received: from mail.bootlin.com ([62.4.15.54]) by bombadil.infradead.org with esmtp (Exim 4.89 #1 (Red Hat Linux)) id 1ero6l-0002aL-U0; Fri, 02 Mar 2018 17:04:56 +0000 Received: by mail.bootlin.com (Postfix, from userid 110) id 8F02E208C9; Fri, 2 Mar 2018 18:04:13 +0100 (CET) Received: from localhost.localdomain (unknown [91.224.148.103]) by mail.bootlin.com (Postfix) with ESMTPSA id AA3122043E; Fri, 2 Mar 2018 18:04:12 +0100 (CET) From: Miquel Raynal To: Boris Brezillon , Richard Weinberger , David Woodhouse , Brian Norris , Marek Vasut , Cyrille Pitchen , Josh Wu , Kamal Dasu , Harvey Hunt , Stefan Agner Subject: [PATCH 05/52] mtd: rawnand: brcmnand: convert driver to nand_scan() Date: Fri, 2 Mar 2018 18:03:13 +0100 Message-Id: <20180302170400.6712-6-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20180302170400.6712-1-miquel.raynal@bootlin.com> References: <20180302170400.6712-1-miquel.raynal@bootlin.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180302_090437_371358_09F1B710 X-CRM114-Status: GOOD ( 12.41 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-mtd@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Miquel Raynal 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 Two helpers have been added to the core to make ECC-related configuration between the detection phase and the final NAND scan. Use these hooks and convert the driver to just use nand_scan() instead of both nand_scan_ident() and nand_scan_tail(). Signed-off-by: Miquel Raynal --- drivers/mtd/nand/raw/brcmnand/brcmnand.c | 43 ++++++++++++++++++-------------- 1 file changed, 24 insertions(+), 19 deletions(-) diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c index 844c84987f49..4ba240f8662a 100644 --- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c +++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c @@ -2208,6 +2208,28 @@ static int brcmnand_setup_dev(struct brcmnand_host *host) return 0; } +static int brcmnand_attach_chip(struct nand_chip *chip) +{ + struct mtd_info *mtd = nand_to_mtd(chip); + struct brcmnand_host *host = nand_get_controller_data(chip); + int ret; + + if (chip->bbt_options & NAND_BBT_USE_FLASH) + chip->bbt_options |= NAND_BBT_NO_OOB; + + if (brcmnand_setup_dev(host)) + return -ENXIO; + + chip->ecc.size = host->hwcfg.sector_size_1k ? 1024 : 512; + + /* only use our internal HW threshold */ + mtd->bitflip_threshold = 1; + + ret = brcmstb_choose_ecc_layout(host); + + return ret; +} + static int brcmnand_init_cs(struct brcmnand_host *host, struct device_node *dn) { struct brcmnand_controller *ctrl = host->ctrl; @@ -2267,10 +2289,6 @@ static int brcmnand_init_cs(struct brcmnand_host *host, struct device_node *dn) nand_writereg(ctrl, cfg_offs, nand_readreg(ctrl, cfg_offs) & ~CFG_BUS_WIDTH); - ret = nand_scan_ident(mtd, 1, NULL); - if (ret) - return ret; - chip->options |= NAND_NO_SUBPAGE_WRITE; /* * Avoid (for instance) kmap()'d buffers from JFFS2, which we can't DMA @@ -2279,21 +2297,8 @@ static int brcmnand_init_cs(struct brcmnand_host *host, struct device_node *dn) */ chip->options |= NAND_USE_BOUNCE_BUFFER; - if (chip->bbt_options & NAND_BBT_USE_FLASH) - chip->bbt_options |= NAND_BBT_NO_OOB; - - if (brcmnand_setup_dev(host)) - return -ENXIO; - - chip->ecc.size = host->hwcfg.sector_size_1k ? 1024 : 512; - /* only use our internal HW threshold */ - mtd->bitflip_threshold = 1; - - ret = brcmstb_choose_ecc_layout(host); - if (ret) - return ret; - - ret = nand_scan_tail(mtd); + chip->ecc.attach_chip = brcmnand_attach_chip; + ret = nand_scan(mtd, 1); if (ret) return ret;