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[23.128.96.18]) by mx.google.com with ESMTP id le28si9195068ejc.175.2021.02.27.23.05.04; Sat, 27 Feb 2021 23:05:34 -0800 (PST) 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=@gmail.com header.s=20161025 header.b=pZXOz7dS; 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=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230079AbhB1G7z (ORCPT + 99 others); Sun, 28 Feb 2021 01:59:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59990 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229736AbhB1G7N (ORCPT ); Sun, 28 Feb 2021 01:59:13 -0500 Received: from mail-pl1-x636.google.com (mail-pl1-x636.google.com [IPv6:2607:f8b0:4864:20::636]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2DFBBC06174A; Sat, 27 Feb 2021 22:58:33 -0800 (PST) Received: by mail-pl1-x636.google.com with SMTP id k22so7636568pll.6; Sat, 27 Feb 2021 22:58:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=r8CLTUXVVZcMiqETcvGKGx4dgIVTKeUoOcCN29WuOTI=; b=pZXOz7dSMFcRlF92cWgx1jtDPCUCzNTibhUw/QK3IMW4hHVgCbD4UIsZXFsyRaE2ko qcKIjE6+JXXMn5jICu0FGQY2RQ4ODfa6TTA38qzlCUolNqyw8K3bcWTNK0desIMxJU6i /Pa3Z9gmK06ioRO7l2j3GSt0i5u+J3CXCQbtlofX+M+tK6BwtpuPWAs0fd6Pyxfw9H8C AP06UL92/CkFi3JGp8AynbS9QTaMmAaZRcK6X0VAJ3Y/9MfOrmE0NZWECZbk/gdxFfk+ T21qztGHpCHFnuzhm/9uMSDYGUdlT0aU1neZo3qtMFOr/H9z2iB9WaF1qP8DZHy8CSjM TeNQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=r8CLTUXVVZcMiqETcvGKGx4dgIVTKeUoOcCN29WuOTI=; b=L3AjQAI7g4HyA7rWSyEGR1umpSeAN6O9W2Efub6j6m/DikqohZhsOCc1My7/zw0qic elh9Tcbhjf3Up3uqluAYNgDCYdkE3G/pCd/SRIUjo0lugBToQxw/CHSUFM26/STTX1UK NCwZ+y5fbKgQjw/KquswE+HfKZcMIGlrGs+6YU5one5lIob8IyTDKMDrhbTD62/Aub1j 7H+sBVchQRSgMqwBpU1gqnUQaSn13Nqkk2yBX7WZ0bvfBj+r/2puy2U3idgZRl2AvhLE XVCAmykgVC6MCZ18bQltwx9yUVLys5KjV4Mlw1g++ns5/UrWHaLYxf/xCgHjcaAGZwZR 2MxQ== X-Gm-Message-State: AOAM533DzKC0fxXjT0Ts9r8QTeABwVR2zBNLfFZpcPoKWc/iF7Xg/ibB ZBXXIUzxB5Y6Sh7bLk6xhgV0D7uD6bUDsg== X-Received: by 2002:a17:90a:a10a:: with SMTP id s10mr11502337pjp.36.1614495512210; Sat, 27 Feb 2021 22:58:32 -0800 (PST) Received: from [172.30.1.25] ([14.32.163.5]) by smtp.gmail.com with ESMTPSA id e8sm10252764pfl.101.2021.02.27.22.58.29 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 27 Feb 2021 22:58:31 -0800 (PST) Subject: Re: [PATCH] devfreq: rk3399_dmc: Simplify with dev_err_probe() To: Krzysztof Kozlowski , Chanwoo Choi Cc: MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Linux PM list , linux-kernel References: <20200828153100.19006-1-krzk@kernel.org> From: Chanwoo Choi Message-ID: <8c7f16ac-2287-eddb-e074-90cfec56500b@gmail.com> Date: Sun, 28 Feb 2021 15:58:26 +0900 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 21. 2. 28. 오전 1:35, Krzysztof Kozlowski wrote: > On Sat, 29 Aug 2020 at 15:10, Chanwoo Choi wrote: >> >> 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. > > Hi Chanwoo, > > Do you know what happened with this patch? You replied that it is > applied but I cannot find it in the Linus' or next trees. > Hi Krzysztof, There was some my mistake. I'm sorry. I applied it again to next branch. -- Best Regards, Samsung Electronics Chanwoo Choi