From patchwork Sun Mar 31 22:23:02 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anatolij Gustschin X-Patchwork-Id: 2368741 Return-Path: X-Original-To: patchwork-linux-mmc@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id F06CF3FD40 for ; Sun, 31 Mar 2013 22:23:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755840Ab3CaWXV (ORCPT ); Sun, 31 Mar 2013 18:23:21 -0400 Received: from mail-out.m-online.net ([212.18.0.9]:43888 "EHLO mail-out.m-online.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755741Ab3CaWXU (ORCPT ); Sun, 31 Mar 2013 18:23:20 -0400 Received: from frontend1.mail.m-online.net (unknown [192.168.8.180]) by mail-out.m-online.net (Postfix) with ESMTP id 3ZfB5y1HXYz4KK3N; Mon, 1 Apr 2013 00:23:18 +0200 (CEST) X-Auth-Info: 6cUA7SjMUw6BqdTj6/oSOZtWPE593+WCnOZEhmMF13o= Received: from localhost (p4FC4642E.dip.t-dialin.net [79.196.100.46]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA id 3ZfB5y01vszbdhh; Mon, 1 Apr 2013 00:23:17 +0200 (CEST) From: Anatolij Gustschin To: linux-mmc@vger.kernel.org Cc: Chris Ball , Sascha Hauer , Markus Pargmann , devicetree-discuss@lists.ozlabs.org, Anatolij Gustschin Subject: [PATCH v2 2/5] mmc: mxcmmc: use slot-gpio API for write-protect detection Date: Mon, 1 Apr 2013 00:23:02 +0200 Message-Id: <1364768585-5177-3-git-send-email-agust@denx.de> X-Mailer: git-send-email 1.7.5.4 In-Reply-To: <1364768585-5177-1-git-send-email-agust@denx.de> References: <1364768585-5177-1-git-send-email-agust@denx.de> Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org slot-gpio API suppors read-only detection when "wp-gpios" property is present in the device tree mmc node. Use this API for write-protect detection. Signed-off-by: Anatolij Gustschin --- v2: - no changes drivers/mmc/host/mxcmmc.c | 8 +++++--- 1 files changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c index 07a37d8..7fe93dd 100644 --- a/drivers/mmc/host/mxcmmc.c +++ b/drivers/mmc/host/mxcmmc.c @@ -38,6 +38,7 @@ #include #include #include +#include #include #include @@ -901,10 +902,11 @@ static int mxcmci_get_ro(struct mmc_host *mmc) if (host->pdata && host->pdata->get_ro) return !!host->pdata->get_ro(mmc_dev(mmc)); /* - * Board doesn't support read only detection; let the mmc core - * decide what to do. + * If board doesn't support read only detection (no mmc_gpio + * context or gpio is invalid), then let the mmc core decide + * what to do. */ - return -ENOSYS; + return mmc_gpio_get_ro(mmc); } static void mxcmci_enable_sdio_irq(struct mmc_host *mmc, int enable)