From patchwork Thu Sep 16 15:33:10 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Cai,Huoqing" X-Patchwork-Id: 12499483 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 89C1FC433FE for ; Thu, 16 Sep 2021 15:48:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 746886121F for ; Thu, 16 Sep 2021 15:48:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240091AbhIPPuM (ORCPT ); Thu, 16 Sep 2021 11:50:12 -0400 Received: from mx24.baidu.com ([111.206.215.185]:45082 "EHLO baidu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S240107AbhIPPuK (ORCPT ); Thu, 16 Sep 2021 11:50:10 -0400 Received: from BC-Mail-Ex22.internal.baidu.com (unknown [172.31.51.16]) by Forcepoint Email with ESMTPS id 246C9A48023F871F45D7; Thu, 16 Sep 2021 23:33:17 +0800 (CST) Received: from BJHW-MAIL-EX27.internal.baidu.com (10.127.64.42) by BC-Mail-Ex22.internal.baidu.com (172.31.51.16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2242.12; Thu, 16 Sep 2021 23:33:16 +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 23:33:16 +0800 From: Cai Huoqing To: CC: Dmitry Torokhov , Vladimir Zapolskiy , , , Subject: [PATCH] Input: lpc32xx-keys - Make use of the helper function dev_err_probe() Date: Thu, 16 Sep 2021 23:33:10 +0800 Message-ID: <20210916153311.14628-1-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 Acked-by: Vladimir Zapolskiy --- drivers/input/keyboard/lpc32xx-keys.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/input/keyboard/lpc32xx-keys.c b/drivers/input/keyboard/lpc32xx-keys.c index 943aeeb0de79..12bdf68b8fe7 100644 --- a/drivers/input/keyboard/lpc32xx-keys.c +++ b/drivers/input/keyboard/lpc32xx-keys.c @@ -227,10 +227,9 @@ static int lpc32xx_kscan_probe(struct platform_device *pdev) /* Get the key scanner clock */ kscandat->clk = devm_clk_get(&pdev->dev, NULL); - if (IS_ERR(kscandat->clk)) { - dev_err(&pdev->dev, "failed to get clock\n"); - return PTR_ERR(kscandat->clk); - } + if (IS_ERR(kscandat->clk)) + return dev_err_probe(&pdev->dev, PTR_ERR(kscandat->clk), + "failed to get clock\n"); /* Configure the key scanner */ error = clk_prepare_enable(kscandat->clk);