From patchwork Fri Apr 1 12:54:31 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Boris BREZILLON X-Patchwork-Id: 8724161 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 [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id CFB50C0553 for ; Fri, 1 Apr 2016 13:04:08 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E306D203DA for ; Fri, 1 Apr 2016 13:04:07 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 87BB420396 for ; Fri, 1 Apr 2016 13:04:04 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1alyho-0000pO-4q; Fri, 01 Apr 2016 13:01:40 +0000 Received: from down.free-electrons.com ([37.187.137.238] helo=mail.free-electrons.com) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1alybq-0002Hb-2Z; Fri, 01 Apr 2016 12:55:52 +0000 Received: by mail.free-electrons.com (Postfix, from userid 110) id D281D485; Fri, 1 Apr 2016 14:54:53 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-5.2 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 (LMontsouris-657-1-184-87.w90-63.abo.wanadoo.fr [90.63.216.87]) by mail.free-electrons.com (Postfix) with ESMTPSA id 059A3486; Fri, 1 Apr 2016 14:54:43 +0200 (CEST) From: Boris Brezillon To: Roger Quadros , Tony Lindgren , Wenyou Yang , Josh Wu , Boris Brezillon , Richard Weinberger , linux-mtd@lists.infradead.org, David Woodhouse , Brian Norris , Kamal Dasu , Han Xu , Ezequiel Garcia , Stefan Agner Subject: [PATCH 11/12] mtd: nand: sh_flctl: rely on generic DT parsing done in nand_scan_ident() Date: Fri, 1 Apr 2016 14:54:31 +0200 Message-Id: <1459515272-31011-12-git-send-email-boris.brezillon@free-electrons.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1459515272-31011-1-git-send-email-boris.brezillon@free-electrons.com> References: <1459515272-31011-1-git-send-email-boris.brezillon@free-electrons.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160401_055530_906270_DD54D795 X-CRM114-Status: GOOD ( 16.97 ) X-Spam-Score: -2.9 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Petazzoni , Andrew Lunn , Jason Cooper , Alex Smith , Harvey Hunt , Robert Jarzmik , linux-sunxi@googlegroups.com, Nicolas Ferre , linux-kernel@vger.kernel.org, Haojian Zhuang , Chen-Yu Tsai , Alexandre Belloni , linux-arm-kernel@lists.infradead.org, Zhou Wang , Gregory CLEMENT , bcm-kernel-feedback-list@broadcom.com, Maxime Ripard , linux-omap@vger.kernel.org, Jean-Christophe Plagniol-Villard , Daniel Mack , Sebastian Hesselbarth 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 The core now takes care of parsing generic DT properties in nand_scan_ident() when nand_set_flash_node() has been called. Rely on this initialization instead of calling of_get_nand_xxx() manually. Signed-off-by: Boris Brezillon --- drivers/mtd/nand/sh_flctl.c | 31 ++++++++++++++----------------- 1 file changed, 14 insertions(+), 17 deletions(-) diff --git a/drivers/mtd/nand/sh_flctl.c b/drivers/mtd/nand/sh_flctl.c index 4814402..8d4e97c 100644 --- a/drivers/mtd/nand/sh_flctl.c +++ b/drivers/mtd/nand/sh_flctl.c @@ -31,7 +31,6 @@ #include #include #include -#include #include #include #include @@ -1044,8 +1043,6 @@ static struct sh_flctl_platform_data *flctl_parse_dt(struct device *dev) const struct of_device_id *match; struct flctl_soc_config *config; struct sh_flctl_platform_data *pdata; - struct device_node *dn = dev->of_node; - int ret; match = of_match_device(of_flctl_match, dev); if (match) @@ -1065,15 +1062,6 @@ static struct sh_flctl_platform_data *flctl_parse_dt(struct device *dev) pdata->has_hwecc = config->has_hwecc; pdata->use_holden = config->use_holden; - /* parse user defined options */ - ret = of_get_nand_bus_width(dn); - if (ret == 16) - pdata->flcmncr_val |= SEL_16BIT; - else if (ret != 8) { - dev_err(dev, "%s: invalid bus width\n", __func__); - return NULL; - } - return pdata; } @@ -1141,20 +1129,29 @@ static int flctl_probe(struct platform_device *pdev) nand->select_chip = flctl_select_chip; nand->cmdfunc = flctl_cmdfunc; - if (pdata->flcmncr_val & SEL_16BIT) { - nand->options |= NAND_BUSWIDTH_16; - nand->read_word = flctl_read_word; - } - pm_runtime_enable(&pdev->dev); pm_runtime_resume(&pdev->dev); flctl_setup_dma(flctl); + if (pdata->flcmncr_val & SEL_16BIT) + nand->options |= NAND_BUSWIDTH_16; + ret = nand_scan_ident(flctl_mtd, 1, NULL); if (ret) goto err_chip; + if (nand->options & NAND_BUSWIDTH_16) { + /* + * NAND_BUSWIDTH_16 may have been set by nand_scan_ident(). + * Add the SEL_16BIT flag in pdata->flcmncr_val and re-assign + * flctl->flcmncr_base to pdata->flcmncr_val. + */ + pdata->flcmncr_val |= SEL_16BIT; + flctl->flcmncr_base = pdata->flcmncr_val; + nand->read_word = flctl_read_word; + } + ret = flctl_chip_init_tail(flctl_mtd); if (ret) goto err_chip;