From patchwork Thu Dec 10 07:59:49 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Boris BREZILLON X-Patchwork-Id: 7817091 Return-Path: X-Original-To: patchwork-linux-omap@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 0592EBEEE1 for ; Thu, 10 Dec 2015 08:23:31 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1B92320573 for ; Thu, 10 Dec 2015 08:23:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 22DCC2056C for ; Thu, 10 Dec 2015 08:23:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754713AbbLJIBa (ORCPT ); Thu, 10 Dec 2015 03:01:30 -0500 Received: from down.free-electrons.com ([37.187.137.238]:51090 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754197AbbLJIBU (ORCPT ); Thu, 10 Dec 2015 03:01:20 -0500 Received: by mail.free-electrons.com (Postfix, from userid 110) id C4F411C18; Thu, 10 Dec 2015 09:01:17 +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=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from localhost.localdomain (unknown [37.161.176.221]) by mail.free-electrons.com (Postfix) with ESMTPSA id 1D0461C18; Thu, 10 Dec 2015 09:01:06 +0100 (CET) From: Boris Brezillon To: David Woodhouse , Brian Norris , linux-mtd@lists.infradead.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Jonathan Corbet , linux-doc@vger.kernel.org, Hartley Sweeten , Ryan Mallon , Shawn Guo , Sascha Hauer , Imre Kaloz , Krzysztof Halasa , Tony Lindgren , linux-omap@vger.kernel.org, Alexander Clouter , Thomas Petazzoni , Gregory CLEMENT , Jason Cooper , Sebastian Hesselbarth , Andrew Lunn , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Marek Vasut , Steven Miao , adi-buildroot-devel@lists.sourceforge.net, Mikael Starvik , Jesper Nilsson , linux-cris-kernel@axis.com, Josh Wu , Wan ZongShun , Ezequiel Garcia , Maxim Levitsky , Kukjin Kim , Krzysztof Kozlowski , linux-samsung-soc@vger.kernel.org, Maxime Ripard , Chen-Yu Tsai , linux-sunxi@googlegroups.com, Stefan Agner , Greg Kroah-Hartman , devel@driverdev.osuosl.org, Boris Brezillon Subject: [PATCH v4 05/58] mtd: nand: ams-delta: use the mtd instance embedded in struct nand_chip Date: Thu, 10 Dec 2015 08:59:49 +0100 Message-Id: <1449734442-18672-6-git-send-email-boris.brezillon@free-electrons.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1449734442-18672-1-git-send-email-boris.brezillon@free-electrons.com> References: <1449734442-18672-1-git-send-email-boris.brezillon@free-electrons.com> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP struct nand_chip now embeds an mtd device. Make use of this mtd instance instead of allocating our own. Signed-off-by: Boris Brezillon --- drivers/mtd/nand/ams-delta.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/drivers/mtd/nand/ams-delta.c b/drivers/mtd/nand/ams-delta.c index b2b49c4..0f638c6 100644 --- a/drivers/mtd/nand/ams-delta.c +++ b/drivers/mtd/nand/ams-delta.c @@ -183,19 +183,16 @@ static int ams_delta_init(struct platform_device *pdev) return -ENXIO; /* Allocate memory for MTD device structure and private data */ - ams_delta_mtd = kzalloc(sizeof(struct mtd_info) + - sizeof(struct nand_chip), GFP_KERNEL); - if (!ams_delta_mtd) { + this = kzalloc(sizeof(struct nand_chip), GFP_KERNEL); + if (!this) { printk (KERN_WARNING "Unable to allocate E3 NAND MTD device structure.\n"); err = -ENOMEM; goto out; } + ams_delta_mtd = nand_to_mtd(this); ams_delta_mtd->owner = THIS_MODULE; - /* Get pointer to private data */ - this = (struct nand_chip *) (&ams_delta_mtd[1]); - /* Link the private data with the MTD structure */ ams_delta_mtd->priv = this; @@ -256,7 +253,7 @@ out_gpio: gpio_free(AMS_DELTA_GPIO_PIN_NAND_RB); iounmap(io_base); out_free: - kfree(ams_delta_mtd); + kfree(this); out: return err; } @@ -276,7 +273,7 @@ static int ams_delta_cleanup(struct platform_device *pdev) iounmap(io_base); /* Free the MTD device structure */ - kfree(ams_delta_mtd); + kfree(mtd_to_nand(ams_delta_mtd)); return 0; }