From patchwork Wed Nov 20 03:21:46 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Horman X-Patchwork-Id: 3210381 Return-Path: X-Original-To: patchwork-ltsi-dev@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id B8F20C045B for ; Wed, 20 Nov 2013 06:53:51 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id F03092068D for ; Wed, 20 Nov 2013 06:53:50 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) by mail.kernel.org (Postfix) with ESMTP id 265FE2068B for ; Wed, 20 Nov 2013 06:53:50 +0000 (UTC) Received: from mail.linux-foundation.org (localhost [IPv6:::1]) by mail.linuxfoundation.org (Postfix) with ESMTP id 631D71004; Wed, 20 Nov 2013 06:52:20 +0000 (UTC) X-Original-To: ltsi-dev@lists.linuxfoundation.org Delivered-To: ltsi-dev@mail.linuxfoundation.org Received: from smtp2.linuxfoundation.org (smtp2.linux-foundation.org [172.17.192.36]) by mail.linuxfoundation.org (Postfix) with ESMTP id 902EED0E for ; Wed, 20 Nov 2013 06:51:44 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from kirsty.vergenet.net (kirsty.vergenet.net [202.4.237.240]) by smtp2.linuxfoundation.org (Postfix) with ESMTP id 1AA821DDC4 for ; Wed, 20 Nov 2013 06:51:44 +0000 (UTC) Received: from ayumi.isobedori.kobe.vergenet.net (p2020-ipbfp1604kobeminato.hyogo.ocn.ne.jp [114.154.85.20]) by kirsty.vergenet.net (Postfix) with ESMTP id 37A8F2673D2; Wed, 20 Nov 2013 14:23:25 +1100 (EST) Received: by ayumi.isobedori.kobe.vergenet.net (Postfix, from userid 7100) id C359B6CE6CC; Wed, 20 Nov 2013 12:23:23 +0900 (JST) From: Simon Horman To: ltsi-dev@lists.linuxfoundation.org Date: Wed, 20 Nov 2013 12:21:46 +0900 Message-Id: <1384917713-15962-589-git-send-email-horms+renesas@verge.net.au> X-Mailer: git-send-email 1.8.4 In-Reply-To: <1384917713-15962-1-git-send-email-horms+renesas@verge.net.au> References: <1384917713-15962-1-git-send-email-horms+renesas@verge.net.au> X-Spam-Status: No, score=-2.4 required=5.0 tests=BAYES_00,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 Cc: Magnus Damm Subject: [LTSI-dev] [PATCH ltsi-3.10 588/595] mmc: tmio: fix compiler warning X-BeenThere: ltsi-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "A list to discuss patches, development, and other things related to the LTSI project" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: ltsi-dev-bounces@lists.linuxfoundation.org Errors-To: ltsi-dev-bounces@lists.linuxfoundation.org X-Virus-Scanned: ClamAV using ClamSMTP From: Guennadi Liakhovetski This patch fixes a compiler warning: drivers/mmc/host/tmio_mmc_pio.c: In function 'tmio_mmc_power_on': drivers/mmc/host/tmio_mmc_pio.c:798:19: warning: ignoring return value of 'regulator_enable', declared with attribute warn_unused_result [-Wunused-result] Signed-off-by: Guennadi Liakhovetski Signed-off-by: Chris Ball (cherry picked from commit 6d1d6b4759112acf4c079eb3a0dd296bdbf61cf5) Signed-off-by: Simon Horman --- drivers/mmc/host/tmio_mmc_pio.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c index 8486a22..17f7fa9 100644 --- a/drivers/mmc/host/tmio_mmc_pio.c +++ b/drivers/mmc/host/tmio_mmc_pio.c @@ -795,9 +795,13 @@ static void tmio_mmc_power_on(struct tmio_mmc_host *host, unsigned short vdd) * omap_hsmmc.c driver does. */ if (!IS_ERR(mmc->supply.vqmmc) && !ret) { - regulator_enable(mmc->supply.vqmmc); + ret = regulator_enable(mmc->supply.vqmmc); udelay(200); } + + if (ret < 0) + dev_dbg(&host->pdev->dev, "Regulators failed to power up: %d\n", + ret); } static void tmio_mmc_power_off(struct tmio_mmc_host *host)