From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 41ED3C07E9D for ; Mon, 26 Sep 2022 15:06:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233999AbiIZPGl (ORCPT ); Mon, 26 Sep 2022 11:06:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41064 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235624AbiIZPF3 (ORCPT ); Mon, 26 Sep 2022 11:05:29 -0400 Received: from mail-wr1-x432.google.com (mail-wr1-x432.google.com [IPv6:2a00:1450:4864:20::432]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1D69EA4B27 for ; Mon, 26 Sep 2022 06:37:55 -0700 (PDT) Received: by mail-wr1-x432.google.com with SMTP id n15so10289419wrq.5 for ; Mon, 26 Sep 2022 06:37:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date; bh=KmT8737fPacCpbfR4MFMQYGBKsGn/TS8+soZ+8lgu8A=; b=clbYS2trrlEmEU5PvY7GzPsFpNhx42e6ugi0cebf+mDl7GN0ScQiuWEWx9oI//xRW3 FTsIkMUYWsosA6ETER1iOAZBFulSPna7QojcudDzV9Gjh6ZXF7wC4rGSegNcRu5Ft1Ph BS6EkAyFfofpLQODvC8UOkGzOjiBE8Yy9RhewoiXrazdtQ66dWSPD0UTCdZ7tMxEGtpm I0Nzso8+fmeqOPEcJjAJbcee0EBTKVECyF0ypE7k8ssYF55yfuv05pqxHCCE502HYHIV otu9flHASZ3pJZp9q8hAk/btIyXiBMmqy1X8bMDp2FfG2NTKuhiguBJbMQWww47+H0Yz AXSQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date; bh=KmT8737fPacCpbfR4MFMQYGBKsGn/TS8+soZ+8lgu8A=; b=m27KVB0Gd8BZIqKFjIsiSGYTXweqvPlPzY30oNsvihj1BYs5gj5nRhwINoKEOb/N04 IE591/UINxFBDRvbKEibPW8mOuMdKnxZboy65PG7uFFo1TeMrsDFrtWzvpFZBNUFYd/R AQkIFk5sQArg4sLSU0IruuobG3AzFa6XxymZfCy9T5ZO/QFQrcDzUWBLGYh90jD9zljv gJJPqaPozX6bqSXycWX4P5tq6G12XUnz1X++LKCUOHf/B6ybzSQoZLSoaoyAq8Ct4p73 YN9mZLWzaQCg7KUAaG4ZVIf6aZJ0Nsyedmc1LTqQdBTcO+BZ3aHi82Ys98E5a8RXpG0w aYiQ== X-Gm-Message-State: ACrzQf3ANlmlsxcAeojTXw2TxqhoAHN0wHw/WSFkk0g0HmYwhwrdlLyD Irvxl3NKOee5NQ/JP9u4obvfaw== X-Google-Smtp-Source: AMsMyM7qingDZgfmrbprEPmbkWZZkb8lMYITqDwe2EjvcBMstJgtHXpux5BlMKdCH7An7nEK+yxidg== X-Received: by 2002:a05:6000:178d:b0:226:ffe8:72df with SMTP id e13-20020a056000178d00b00226ffe872dfmr13301991wrg.496.1664199473455; Mon, 26 Sep 2022 06:37:53 -0700 (PDT) Received: from maple.lan (cpc141216-aztw34-2-0-cust174.18-1.cable.virginm.net. [80.7.220.175]) by smtp.gmail.com with ESMTPSA id o41-20020a05600c512900b003a5c244fc13sm11536200wms.2.2022.09.26.06.37.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Sep 2022 06:37:52 -0700 (PDT) Date: Mon, 26 Sep 2022 14:37:50 +0100 From: Daniel Thompson To: Yang Yingliang Cc: linux-fbdev@vger.kernel.org, linux-pwm@vger.kernel.org, dri-devel@lists.freedesktop.org, thierry.reding@gmail.com, u.kleine-koenig@pengutronix.de, lee@kernel.org Subject: Re: [PATCH -next] backlight: pwm_bl: Switch to use dev_err_probe() helper Message-ID: References: <20220926133258.1104850-1-yangyingliang@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220926133258.1104850-1-yangyingliang@huawei.com> Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org On Mon, Sep 26, 2022 at 09:32:58PM +0800, Yang Yingliang wrote: > In the probe path, dev_err() can be replaced with dev_err_probe() > which will check if error code is -EPROBE_DEFER and prints the > error name. It also sets the defer probe reason which can be > checked later through debugfs. It's more simple in error path. I'd prefer to have received these patches as a patchset rather than individual patches... but it is a good change so: Reviewed-by: Daniel Thompson Daniel.