From patchwork Thu Jan 21 05:26:29 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen-Yu Tsai X-Patchwork-Id: 8077921 Return-Path: X-Original-To: patchwork-linux-mmc@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 26D14BEEE5 for ; Thu, 21 Jan 2016 05:33:49 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 66A0A205B5 for ; Thu, 21 Jan 2016 05:33:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8BC34205DA for ; Thu, 21 Jan 2016 05:33:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935059AbcAUFdn (ORCPT ); Thu, 21 Jan 2016 00:33:43 -0500 Received: from smtp.csie.ntu.edu.tw ([140.112.30.61]:54844 "EHLO smtp.csie.ntu.edu.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751453AbcAUFdj (ORCPT ); Thu, 21 Jan 2016 00:33:39 -0500 Received: from mirror2.csie.ntu.edu.tw (mirror2.csie.ntu.edu.tw [140.112.30.76]) (Authenticated sender: b93043) by smtp.csie.ntu.edu.tw (Postfix) with ESMTPSA id CA66924F0A; Thu, 21 Jan 2016 13:33:30 +0800 (CST) Received: by mirror2.csie.ntu.edu.tw (Postfix, from userid 1000) id 9BA595F97C; Thu, 21 Jan 2016 13:33:30 +0800 (CST) From: Chen-Yu Tsai To: Ulf Hansson , Maxime Ripard Cc: Chen-Yu Tsai , Hans de Goede , linux-mmc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com Subject: [PATCH RFC 02/15] mmc: sunxi: Return error on mmc_regulator_set_ocr() fail in .set_ios op Date: Thu, 21 Jan 2016 13:26:29 +0800 Message-Id: <1453354002-28366-3-git-send-email-wens@csie.org> X-Mailer: git-send-email 2.7.0.rc3 In-Reply-To: <1453354002-28366-1-git-send-email-wens@csie.org> References: <1453354002-28366-1-git-send-email-wens@csie.org> Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Let .set_ios() fail if mmc_regulator_set_ocr() fails to enable and set a proper voltage for vmmc. Signed-off-by: Chen-Yu Tsai --- drivers/mmc/host/sunxi-mmc.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c index cce5ca540857..790f01662b4e 100644 --- a/drivers/mmc/host/sunxi-mmc.c +++ b/drivers/mmc/host/sunxi-mmc.c @@ -711,7 +711,10 @@ static void sunxi_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) break; case MMC_POWER_UP: - mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, ios->vdd); + host->ferror = mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, + ios->vdd); + if (host->ferror) + return; host->ferror = sunxi_mmc_init_host(mmc); if (host->ferror)