From patchwork Mon Nov 16 13:37:35 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Boris BREZILLON X-Patchwork-Id: 7626961 Return-Path: X-Original-To: patchwork-linux-omap@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id BD3AD9F2EC for ; Mon, 16 Nov 2015 13:49:59 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E9A44205AA for ; Mon, 16 Nov 2015 13:49:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0F1822053E for ; Mon, 16 Nov 2015 13:49:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752399AbbKPNiL (ORCPT ); Mon, 16 Nov 2015 08:38:11 -0500 Received: from down.free-electrons.com ([37.187.137.238]:43216 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752326AbbKPNiI (ORCPT ); Mon, 16 Nov 2015 08:38:08 -0500 Received: by mail.free-electrons.com (Postfix, from userid 110) id 77D04420; Mon, 16 Nov 2015 14:38:06 +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=-7.7 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from localhost.localdomain (AToulouse-657-1-1082-82.w92-146.abo.wanadoo.fr [92.146.160.82]) by mail.free-electrons.com (Postfix) with ESMTPSA id F2F5E412; Mon, 16 Nov 2015 14:38:04 +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 02/27] mtd: nand: add an mtd_to_nand() helper Date: Mon, 16 Nov 2015 14:37:35 +0100 Message-Id: <1447681080-31232-3-git-send-email-boris.brezillon@free-electrons.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1447681080-31232-1-git-send-email-boris.brezillon@free-electrons.com> References: <1447681080-31232-1-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 Some drivers are retrieving the nand_chip pointer using the container_of macro on a struct wrapping both the nand_chip and the mtd_info struct while the standard way of retrieving this pointer is through mtd->priv. Provide an helper to do that. Signed-off-by: Boris Brezillon --- include/linux/mtd/nand.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 4f7c9b9..056d165 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -730,6 +730,11 @@ static inline struct device_node *nand_get_flash_node(struct nand_chip *chip) return chip->flash_node; } +static inline struct nand_chip *mtd_to_nand(struct mtd_info *mtd) +{ + return mtd->priv; +} + /* * NAND Flash Manufacturer ID Codes */