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[23.128.96.18]) by mx.google.com with ESMTP id c16si1715203eja.425.2020.08.29.06.31.19; Sat, 29 Aug 2020 06:31:43 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=DNFZoUQs; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728183AbgH2NYL (ORCPT + 99 others); Sat, 29 Aug 2020 09:24:11 -0400 Received: from mail.kernel.org ([198.145.29.99]:56632 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728202AbgH2NKo (ORCPT ); Sat, 29 Aug 2020 09:10:44 -0400 Received: from mail-lj1-f178.google.com (mail-lj1-f178.google.com [209.85.208.178]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 007632076D; Sat, 29 Aug 2020 13:10:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598706643; bh=z1sTsa1dpruwAUEEfp1W27KJA2xFmbwqQp5IOMzOoU4=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=DNFZoUQs+N4C1jS97X4sJiyIy1gDiwUEBZhvmyiTp3eqOC5xhZOUhxi3e6iR19L8o A/esD5eCS3bR55GtU6QfbScIxxlABrEtTI/RlRBwwVkR2KsFPUv7HmUgt1oMrT8T5c zY096JfQb2KaZXURE/Bx9vAmU+jLpTTyouiK8Oho= Received: by mail-lj1-f178.google.com with SMTP id t23so1857001ljc.3; Sat, 29 Aug 2020 06:10:42 -0700 (PDT) X-Gm-Message-State: AOAM533FzM3Ly/BqVLgmku5UCe9WnwUo0EUFzqy9C1z6CPI/IBWqvuJa 45yuQgZeqBB8ZsDXxhuQFB1hF+LB7geP7xUwZHo= X-Received: by 2002:a2e:910b:: with SMTP id m11mr1571569ljg.159.1598706641354; Sat, 29 Aug 2020 06:10:41 -0700 (PDT) MIME-Version: 1.0 References: <20200828153100.19006-1-krzk@kernel.org> In-Reply-To: <20200828153100.19006-1-krzk@kernel.org> From: Chanwoo Choi Date: Sat, 29 Aug 2020 22:10:04 +0900 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH] devfreq: rk3399_dmc: Simplify with dev_err_probe() To: Krzysztof Kozlowski Cc: MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Linux PM list , linux-kernel Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Aug 29, 2020 at 12:31 AM Krzysztof Kozlowski wrote: > > Common pattern of handling deferred probe can be simplified with > dev_err_probe(). Less code and the error value gets printed. > > Signed-off-by: Krzysztof Kozlowski > --- > drivers/devfreq/rk3399_dmc.c | 20 ++++++-------------- > 1 file changed, 6 insertions(+), 14 deletions(-) > > diff --git a/drivers/devfreq/rk3399_dmc.c b/drivers/devfreq/rk3399_dmc.c > index 027769e39f9b..35b3542f1f7b 100644 > --- a/drivers/devfreq/rk3399_dmc.c > +++ b/drivers/devfreq/rk3399_dmc.c > @@ -324,22 +324,14 @@ static int rk3399_dmcfreq_probe(struct platform_device *pdev) > mutex_init(&data->lock); > > data->vdd_center = devm_regulator_get(dev, "center"); > - if (IS_ERR(data->vdd_center)) { > - if (PTR_ERR(data->vdd_center) == -EPROBE_DEFER) > - return -EPROBE_DEFER; > - > - dev_err(dev, "Cannot get the regulator \"center\"\n"); > - return PTR_ERR(data->vdd_center); > - } > + if (IS_ERR(data->vdd_center)) > + return dev_err_probe(dev, PTR_ERR(data->vdd_center), > + "Cannot get the regulator \"center\"\n"); > > data->dmc_clk = devm_clk_get(dev, "dmc_clk"); > - if (IS_ERR(data->dmc_clk)) { > - if (PTR_ERR(data->dmc_clk) == -EPROBE_DEFER) > - return -EPROBE_DEFER; > - > - dev_err(dev, "Cannot get the clk dmc_clk\n"); > - return PTR_ERR(data->dmc_clk); > - } > + if (IS_ERR(data->dmc_clk)) > + return dev_err_probe(dev, PTR_ERR(data->dmc_clk), > + "Cannot get the clk dmc_clk\n"); > > data->edev = devfreq_event_get_edev_by_phandle(dev, 0); > if (IS_ERR(data->edev)) > -- > 2.17.1 > Applied it. Thanks. -- Best Regards, Chanwoo Choi Samsung Electronics