From patchwork Thu Sep 16 15:34:32 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Cai,Huoqing" X-Patchwork-Id: 12499543 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 AF2F7C43219 for ; Thu, 16 Sep 2021 15:50:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9626761164 for ; Thu, 16 Sep 2021 15:50:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240126AbhIPPvX (ORCPT ); Thu, 16 Sep 2021 11:51:23 -0400 Received: from mx22.baidu.com ([220.181.50.185]:45788 "EHLO baidu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S240219AbhIPPvL (ORCPT ); Thu, 16 Sep 2021 11:51:11 -0400 Received: from BJHW-Mail-Ex02.internal.baidu.com (unknown [10.127.64.12]) by Forcepoint Email with ESMTPS id 0167768B4BC93712A29F; Thu, 16 Sep 2021 23:34:39 +0800 (CST) Received: from BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) by BJHW-Mail-Ex02.internal.baidu.com (10.127.64.12) 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 23:34:38 +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 23:34:38 +0800 From: Cai Huoqing To: CC: Dmitry Torokhov , , Subject: [PATCH] Input: st-keyscan - Make use of the helper function dev_err_probe() Date: Thu, 16 Sep 2021 23:34:32 +0800 Message-ID: <20210916153433.15211-1-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) 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/st-keyscan.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/input/keyboard/st-keyscan.c b/drivers/input/keyboard/st-keyscan.c index a045d61165ac..7600402b1a5a 100644 --- a/drivers/input/keyboard/st-keyscan.c +++ b/drivers/input/keyboard/st-keyscan.c @@ -173,10 +173,9 @@ static int keyscan_probe(struct platform_device *pdev) return PTR_ERR(keypad_data->base); keypad_data->clk = devm_clk_get(&pdev->dev, NULL); - if (IS_ERR(keypad_data->clk)) { - dev_err(&pdev->dev, "cannot get clock\n"); - return PTR_ERR(keypad_data->clk); - } + if (IS_ERR(keypad_data->clk)) + return dev_err_probe(&pdev->dev, PTR_ERR(keypad_data->clk), + "cannot get clock\n"); error = clk_enable(keypad_data->clk); if (error) {