From patchwork Thu Sep 16 15:34:10 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Cai,Huoqing" X-Patchwork-Id: 12499547 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 1F4BBC433EF for ; Thu, 16 Sep 2021 15:50:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0662661164 for ; Thu, 16 Sep 2021 15:50:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240217AbhIPPv1 (ORCPT ); Thu, 16 Sep 2021 11:51:27 -0400 Received: from mx24.baidu.com ([111.206.215.185]:45836 "EHLO baidu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S240294AbhIPPvS (ORCPT ); Thu, 16 Sep 2021 11:51:18 -0400 Received: from BJHW-Mail-Ex06.internal.baidu.com (unknown [10.127.64.16]) by Forcepoint Email with ESMTPS id 7CF9AFBDF867A2C66B4D; Thu, 16 Sep 2021 23:34:16 +0800 (CST) Received: from BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) by BJHW-Mail-Ex06.internal.baidu.com (10.127.64.16) 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 23:34:16 +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 23:34:15 +0800 From: Cai Huoqing To: CC: Dmitry Torokhov , , Subject: [PATCH] Input: samsung-keypad - Make use of the helper function dev_err_probe() Date: Thu, 16 Sep 2021 23:34:10 +0800 Message-ID: <20210916153410.15052-1-caihuoqing@baidu.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [172.31.63.8] X-ClientProxiedBy: BC-Mail-Ex09.internal.baidu.com (172.31.51.49) To BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) X-Baidu-BdMsfe-DateCheck: 1_BJHW-Mail-Ex06_2021-09-16 23:34:16:517 Precedence: bulk List-ID: X-Mailing-List: linux-input@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/input/keyboard/samsung-keypad.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/input/keyboard/samsung-keypad.c b/drivers/input/keyboard/samsung-keypad.c index df0258dcf89e..ed94b042e3b5 100644 --- a/drivers/input/keyboard/samsung-keypad.c +++ b/drivers/input/keyboard/samsung-keypad.c @@ -363,10 +363,9 @@ static int samsung_keypad_probe(struct platform_device *pdev) return -EBUSY; keypad->clk = devm_clk_get(&pdev->dev, "keypad"); - if (IS_ERR(keypad->clk)) { - dev_err(&pdev->dev, "failed to get keypad clk\n"); - return PTR_ERR(keypad->clk); - } + if (IS_ERR(keypad->clk)) + return dev_err_probe(&pdev->dev, PTR_ERR(keypad->clk), + "failed to get keypad clk\n"); error = clk_prepare(keypad->clk); if (error) {