From mboxrd@z Thu Jan 1 00:00:00 1970 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 93A4EC433F5 for ; Thu, 16 Sep 2021 10:46:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7C29D60F12 for ; Thu, 16 Sep 2021 10:46:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237092AbhIPKsJ (ORCPT ); Thu, 16 Sep 2021 06:48:09 -0400 Received: from mx24.baidu.com ([111.206.215.185]:54720 "EHLO baidu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S236990AbhIPKsD (ORCPT ); Thu, 16 Sep 2021 06:48:03 -0400 Received: from BJHW-Mail-Ex07.internal.baidu.com (unknown [10.127.64.17]) by Forcepoint Email with ESMTPS id EF663F8DC708AEE05EA3; Thu, 16 Sep 2021 18:46:40 +0800 (CST) Received: from BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) by BJHW-Mail-Ex07.internal.baidu.com (10.127.64.17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14; Thu, 16 Sep 2021 18:46:40 +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; Thu, 16 Sep 2021 18:46:40 +0800 From: Cai Huoqing To: CC: Thierry Reding , Sam Ravnborg , David Airlie , Daniel Vetter , , Subject: [PATCH] drm/panel: sofef00: Make use of the helper function dev_err_probe() Date: Thu, 16 Sep 2021 18:46:34 +0800 Message-ID: <20210916104635.11675-1-caihuoqing@baidu.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [172.31.63.8] X-ClientProxiedBy: BC-Mail-Ex31.internal.baidu.com (172.31.51.25) To BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) X-Baidu-BdMsfe-DateCheck: 1_BJHW-Mail-Ex07_2021-09-16 18:46:40:911 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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. And using dev_err_probe() can reduce code size, the error value gets printed. Signed-off-by: Cai Huoqing --- drivers/gpu/drm/panel/panel-samsung-sofef00.c | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-samsung-sofef00.c b/drivers/gpu/drm/panel/panel-samsung-sofef00.c index 8cb1853574bb..b5fe145bf72c 100644 --- a/drivers/gpu/drm/panel/panel-samsung-sofef00.c +++ b/drivers/gpu/drm/panel/panel-samsung-sofef00.c @@ -270,18 +270,14 @@ static int sofef00_panel_probe(struct mipi_dsi_device *dsi) } ctx->supply = devm_regulator_get(dev, "vddio"); - if (IS_ERR(ctx->supply)) { - ret = PTR_ERR(ctx->supply); - dev_err(dev, "Failed to get vddio regulator: %d\n", ret); - return ret; - } + if (IS_ERR(ctx->supply)) + return dev_err_probe(dev, PTR_ERR(ctx->supply), + "Failed to get vddio regulator\n"); ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); - if (IS_ERR(ctx->reset_gpio)) { - ret = PTR_ERR(ctx->reset_gpio); - dev_warn(dev, "Failed to get reset-gpios: %d\n", ret); - return ret; - } + if (IS_ERR(ctx->reset_gpio)) + return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio), + "Failed to get reset-gpios\n"); ctx->dsi = dsi; mipi_dsi_set_drvdata(dsi, ctx); -- 2.25.1