From patchwork Fri Sep 17 04:22:07 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Cai,Huoqing" X-Patchwork-Id: 12500977 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 8DF4BC433EF for ; Fri, 17 Sep 2021 04:22:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 71B1660F93 for ; Fri, 17 Sep 2021 04:22:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243784AbhIQEXr (ORCPT ); Fri, 17 Sep 2021 00:23:47 -0400 Received: from mx22.baidu.com ([220.181.50.185]:52714 "EHLO baidu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S231128AbhIQEXq (ORCPT ); Fri, 17 Sep 2021 00:23:46 -0400 Received: from BC-Mail-Ex07.internal.baidu.com (unknown [172.31.51.47]) by Forcepoint Email with ESMTPS id 6889FF61B7E1156E264E; Fri, 17 Sep 2021 12:22:21 +0800 (CST) Received: from BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) by BC-Mail-EX07.internal.baidu.com (172.31.51.47) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2242.12; Fri, 17 Sep 2021 12:22:21 +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 12:22:20 +0800 From: Cai Huoqing To: CC: Jingoo Han , , , Subject: [PATCH 1/6] fbdev: da8xx-fb: Make use of the helper function dev_err_probe() Date: Fri, 17 Sep 2021 12:22:07 +0800 Message-ID: <20210917042213.17689-1-caihuoqing@baidu.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [172.31.63.8] X-ClientProxiedBy: BJHW-Mail-Ex05.internal.baidu.com (10.127.64.15) 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 --- drivers/video/fbdev/da8xx-fb.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/video/fbdev/da8xx-fb.c b/drivers/video/fbdev/da8xx-fb.c index 005ac3c17aa1..ae76a2111c77 100644 --- a/drivers/video/fbdev/da8xx-fb.c +++ b/drivers/video/fbdev/da8xx-fb.c @@ -1354,10 +1354,9 @@ static int fb_probe(struct platform_device *device) return PTR_ERR(da8xx_fb_reg_base); tmp_lcdc_clk = devm_clk_get(&device->dev, "fck"); - if (IS_ERR(tmp_lcdc_clk)) { - dev_err(&device->dev, "Can not get device clock\n"); - return PTR_ERR(tmp_lcdc_clk); - } + if (IS_ERR(tmp_lcdc_clk)) + return dev_err_probe(&device->dev, PTR_ERR(tmp_lcdc_clk), + "Can not get device clock\n"); pm_runtime_enable(&device->dev); pm_runtime_get_sync(&device->dev);