From patchwork Fri Sep 17 04:24:12 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Cai,Huoqing" X-Patchwork-Id: 12501025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 72F16C433F5 for ; Fri, 17 Sep 2021 04:40:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 59E7C60F93 for ; Fri, 17 Sep 2021 04:40:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244668AbhIQElr (ORCPT ); Fri, 17 Sep 2021 00:41:47 -0400 Received: from mx24.baidu.com ([111.206.215.185]:38236 "EHLO baidu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S244719AbhIQElZ (ORCPT ); Fri, 17 Sep 2021 00:41:25 -0400 Received: from BC-Mail-Ex27.internal.baidu.com (unknown [172.31.51.21]) by Forcepoint Email with ESMTPS id 3F31A86BEF9686DE023E; Fri, 17 Sep 2021 12:24:25 +0800 (CST) Received: from BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) by BC-Mail-Ex27.internal.baidu.com (172.31.51.21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Fri, 17 Sep 2021 12:24:24 +0800 Received: from LAPTOP-UKSR4ENP.internal.baidu.com (172.31.63.8) by BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14; Fri, 17 Sep 2021 12:24:24 +0800 From: Cai Huoqing To: CC: , , , Subject: [PATCH 3/4] fbdev: omapfb: panel-sharp-ls037v7dw01: Make use of the helper function dev_err_probe() Date: Fri, 17 Sep 2021 12:24:12 +0800 Message-ID: <20210917042414.17787-3-caihuoqing@baidu.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210917042414.17787-1-caihuoqing@baidu.com> References: <20210917042414.17787-1-caihuoqing@baidu.com> MIME-Version: 1.0 X-Originating-IP: [172.31.63.8] X-ClientProxiedBy: BC-Mail-Ex15.internal.baidu.com (172.31.51.55) To BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org When possible use dev_err_probe help to properly deal with the PROBE_DEFER error, the benefit is that DEFER issue will be logged in the devices_deferred debugfs file. Using dev_err_probe() can reduce code size, and the error value gets printed. Signed-off-by: Cai Huoqing --- .../fbdev/omap2/omapfb/displays/panel-sharp-ls037v7dw01.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/video/fbdev/omap2/omapfb/displays/panel-sharp-ls037v7dw01.c b/drivers/video/fbdev/omap2/omapfb/displays/panel-sharp-ls037v7dw01.c index 602324c5c9f9..f1072c319de8 100644 --- a/drivers/video/fbdev/omap2/omapfb/displays/panel-sharp-ls037v7dw01.c +++ b/drivers/video/fbdev/omap2/omapfb/displays/panel-sharp-ls037v7dw01.c @@ -211,10 +211,9 @@ static int sharp_ls_probe_of(struct platform_device *pdev) int r; ddata->vcc = devm_regulator_get(&pdev->dev, "envdd"); - if (IS_ERR(ddata->vcc)) { - dev_err(&pdev->dev, "failed to get regulator\n"); - return PTR_ERR(ddata->vcc); - } + if (IS_ERR(ddata->vcc)) + return dev_err_probe(&pdev->dev, PTR_ERR(ddata->vcc), + "failed to get regulator\n"); /* lcd INI */ r = sharp_ls_get_gpio_of(&pdev->dev, 0, 0, "enable", &ddata->ini_gpio);