From patchwork Mon Mar 4 10:11:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 209487 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:7301:fa17:b0:10a:f01:a869 with SMTP id ju23csp1327898dyc; Mon, 4 Mar 2024 02:18:14 -0800 (PST) X-Forwarded-Encrypted: i=3; AJvYcCXEZ502GDMf8tgx/RXBcjYhjvcBcbb9g/eVw/ExVlWF/tP2994p+d7iNPK7XIoJpty/xR0A8wTUwlggeVAsMdu5UBb0Uw== X-Google-Smtp-Source: AGHT+IGmJX7Jgp01ozs3cGr0DRZr8qVdjP8wXpIEvx1kCA81xafAN4TQwtIiRdAW7W5rLBazg7sQ X-Received: by 2002:a05:6e02:2147:b0:364:2406:992e with SMTP id d7-20020a056e02214700b003642406992emr12677447ilv.23.1709547493915; Mon, 04 Mar 2024 02:18:13 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1709547493; cv=pass; d=google.com; s=arc-20160816; b=uJ6HtnsPL1tMy3r+UTD2Wbmbwt60xURyzs/OJdDb2Fmlkx/WX9mdXn34iP++SfD4MN uiUItBnBKjo367P/6f+aDa7Mh8Ex+BnfuUKgVn/7zErepBMfOfFOUCNsSLtOlHRybfIh T2j0xbcxKAU0tKtvGzkHAxtOn6SUZSFgiLgFMxvkwzZj5dwSjbD7QGf+8YHMcACpK2mF LIy98ZX/XxhEuzv4AeZpi3fKygQHLYLLF6AoFBZ4y8h55pBpG6//YHeT0fP35NpONJkW Hj4tw6cANzQz1jqvhtYnME9dFlacCwmpA/FbK7VX/bHgAMsZsqF7w1RHn2POoOOXEf2l Kuwg== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:list-unsubscribe:list-subscribe:list-id:precedence :subject:date:from:dkim-signature; bh=LCgoEF8+45p8Lp99q3OTs1MMW8tsgAmVbVFGKP9cQEM=; fh=5wTgU8gbits0wRysmXRbpOeYyZ5WDgLH2XzzMshhyV8=; b=vgReVoG7Xn3KyoiWeSPUpfRaIakax4rHmyOuh4qowk3kNB1NA0Qyq4Co6IPpaiQoBX kYIVLOC1hoMrh5ApjyHzK/HsmzS9JkAIf2uzZu6+7Whvrpiy3j9owpFuFvOf+Yx9khYX 7Iu1g3CFbPMFC4zspmLItgDq9stvuIAj4Gg6JThKyGSFCbL7bxyURUlpQf8zHVFq5z6u kF8WI2XqrxQlg/y/mBNddB8wzHf9iMwbIsQ/Mm5TZuMKSYXbxKfxd05k5AkqRg33AtWL HAqT6Qjle+63OMgiAjC/k2d2w3D5z+EuUsiB97YpCqFsuP4SSCzq0anVB1xftkAGtJ+1 7cug==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=o5czkjK4; arc=pass (i=1 spf=pass spfdomain=linaro.org dkim=pass dkdomain=linaro.org dmarc=pass fromdomain=linaro.org); spf=pass (google.com: domain of linux-kernel+bounces-90386-ouuuleilei=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) smtp.mailfrom="linux-kernel+bounces-90386-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from sy.mirrors.kernel.org (sy.mirrors.kernel.org. [147.75.48.161]) by mx.google.com with ESMTPS id bz41-20020a056a02062900b005dca1e01c0asi8931223pgb.880.2024.03.04.02.18.13 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 Mar 2024 02:18:13 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-90386-ouuuleilei=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) client-ip=147.75.48.161; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=o5czkjK4; arc=pass (i=1 spf=pass spfdomain=linaro.org dkim=pass dkdomain=linaro.org dmarc=pass fromdomain=linaro.org); spf=pass (google.com: domain of linux-kernel+bounces-90386-ouuuleilei=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) smtp.mailfrom="linux-kernel+bounces-90386-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sy.mirrors.kernel.org (Postfix) with ESMTPS id 01A12B236D6 for ; Mon, 4 Mar 2024 10:13:32 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 1E3BC3838C; Mon, 4 Mar 2024 10:12:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="o5czkjK4" Received: from mail-ej1-f46.google.com (mail-ej1-f46.google.com [209.85.218.46]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8196436118 for ; Mon, 4 Mar 2024 10:12:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.46 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709547123; cv=none; b=Qr93hkyNiqUHeI3GxYrABs/+v+EWWxrg2e4ihZKnwjwbxb3+ONfDmrmnQzl3e5SiKfi1j/jZyDkCrBHCSehkeRZpSWvaAqCLFvA4WFd2qfLEK5YAM6T2JMwk7Y5x1NxUukv4XWIKDTEJWEbhXQ5edIecRWKGtVIAiwQDklRc1aA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709547123; c=relaxed/simple; bh=l2zBfccz8Tq6SqYayq64DiM3PIARxZs9iJsKbpWBrMU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=U81UecHk43XZNzCipa0JzooYCbo7QIR85bP1dzWNFtY15q7rJbBcbYXXQ3KrrEZelrXhgyxaRLgvmd3sOci+r5/GIKQCd/WJgrG7Dqc46dFefWdaBqpd0bEz6qIPUjWRgntxmfyVtUbo7NdXqeXEvfWrici4/zEQR34km8b9DR8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=o5czkjK4; arc=none smtp.client-ip=209.85.218.46 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Received: by mail-ej1-f46.google.com with SMTP id a640c23a62f3a-a36126ee41eso651990566b.2 for ; Mon, 04 Mar 2024 02:12:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1709547120; x=1710151920; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=LCgoEF8+45p8Lp99q3OTs1MMW8tsgAmVbVFGKP9cQEM=; b=o5czkjK4RSpVBgK674czx0Y0UZmX5kVaW/jTxUXaCAyczOZkZ2SaORIty/SCURHMFV YW55PyysoOeMKdydrffXIL27VtIuyJr3qppTt4O6rbGJr89hNaL9TBCbkWCxZwrVf0Ta 3erACEIhteBJCzb/Ky9xUCk+IEN9fxbLyFpn+4jjF+f59nKXvMRN5SYRg7Ki/kTbF5wr M/Bc2sFk5rdV8NaU2x0HZcf3vSj5sFoUWGu0Wl7ZzbYk8EnNCgPkLrv7I4kNywzYXzsa lwA+77MQcpZ1Zz6WZAeWW87oUVQl8iM7DZMd/WnK2hqBelWa4ouorRFRDAqdReSxn4l2 Xgkg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709547120; x=1710151920; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=LCgoEF8+45p8Lp99q3OTs1MMW8tsgAmVbVFGKP9cQEM=; b=HqAmnVkNpVLayyGE5l9BdPkWKuH9cMKAsqCjshVxzxDVGUizmHVzHZF9lvjqDiF4ah l1JNge4VaGEEkOZuGHFIlJZL0qzUsf+TjFEMLSeuybz2+uHaCAoFsDy08hcK0eV97vuF kzWdwLotBlxfqzgPFhhnYT6fWIFSdJDuDwEj+Y7fdL6H5hNkzZbkPxv+5NsxTaDC6oXA wx9bBpF8UNfpiufHrQYhVZjW9XhsWq3QLDReF9Ni3xo2Qx20neA48UganAT/eUzG5nET 0esVM107MzyDCl3Q0oj7csoH9kNs0qW0DIjQqoEMNZOzsAMGtJT2RaqHUhOcb+Aymg6F lrUg== X-Forwarded-Encrypted: i=1; AJvYcCXlX+df7MJ4xtIzKPZIA4LGbQc+3DNOtOHEu3EmxWY8u17dDM8oxIJMt6VWst740mC5Le7on7JzRoejyeKOKFtNnjDV7XzpD8Px7cGX X-Gm-Message-State: AOJu0YwZHwFHGxbjNcErLmOabqBIQ3Y1/dnlPp6SIU/qEvhakizutoDH Zh/q5G/kVuuqs9ry3fw1JX2nFMk2EYakHAbT+uSyP5iKdB4bbcarXqIlYp557JQ= X-Received: by 2002:a17:906:c318:b0:a45:2b2c:8968 with SMTP id s24-20020a170906c31800b00a452b2c8968mr1743474ejz.20.1709547120032; Mon, 04 Mar 2024 02:12:00 -0800 (PST) Received: from [127.0.1.1] ([178.197.222.97]) by smtp.gmail.com with ESMTPSA id ef11-20020a17090697cb00b00a44bc99cd89sm2938481ejb.42.2024.03.04.02.11.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 Mar 2024 02:11:59 -0800 (PST) From: Krzysztof Kozlowski Date: Mon, 04 Mar 2024 11:11:42 +0100 Subject: [PATCH 5/7] backlight: lm3630a_bl: Handle deferred probe Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240304-backlight-probe-v1-5-e5f57d0df6e6@linaro.org> References: <20240304-backlight-probe-v1-0-e5f57d0df6e6@linaro.org> In-Reply-To: <20240304-backlight-probe-v1-0-e5f57d0df6e6@linaro.org> To: Lee Jones , Daniel Thompson , Jingoo Han , Helge Deller Cc: dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; a=openpgp-sha256; l=1010; i=krzysztof.kozlowski@linaro.org; h=from:subject:message-id; bh=l2zBfccz8Tq6SqYayq64DiM3PIARxZs9iJsKbpWBrMU=; b=owEBbQKS/ZANAwAKAcE3ZuaGi4PXAcsmYgBl5Z5k1b8EW68f6XfirNTSL7SEI9ygTM0istLZw TdhuvuJzgCJAjMEAAEKAB0WIQTd0mIoPREbIztuuKjBN2bmhouD1wUCZeWeZAAKCRDBN2bmhouD 13BKEACHkxYLvnrmNqz2S2EAVq1squYd3iDN3nmrgGmHzpunYRmnlsYHaCQP1Ne+LT3Rzk/0DT5 2kPItHRavwLGtfzXlkwLcdWIJ4O1tCilY9lQb6KQJG1N9EjK6+Vipl/8WV+iF6plMs25+pTlU/b 0nf9uT/r5IL5cC3Rf+Sg3s7hDFKjeEh0aH78KMaIeMolZlM+QX36Ud6sxRYH4lQcrewimowQ37F BIWqy+6khodGvB7Q+qGPFYLcXGHewXmq2xJjqhlop6PNPMNCwi00HZEodZCENGKrOnSTKLKyd7j kr1Y0UwfHgcnT8G4v+VJum0+eWAnptHxA/FwqhO4AQZTofuq66Y4gDPQTF+OqXheDd2ZFwDJ7JU 78vL843x5VMZVe7AEfJSkfOKhHTOXFr6HyP1klsJ5lY29G454mNYhNyMDN/erwKwx3w7/On3XMQ 5c1r0t7sXFMBBdRJpi+0/JjnEttDlF7acH7BflLiltf6atwGJWjBHKQf55RFYLRofb4Pq2WB24U Wymjysgg61HAlduM+RW7/OFURHUF0JWU81CR/GKmWfT21lmhjUsYGtbkS/qVftIpVhVpBW+xuCy FrdNSxjgUhfOPA9/yU645iXlG+RRMoc4CYG/aWlJyTaAo7Wu0meTzCE7rM+06ZSRWJY/FevD3M/ XJeQstxrm5vdEtA== X-Developer-Key: i=krzysztof.kozlowski@linaro.org; a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1792590472614765997 X-GMAIL-MSGID: 1792590472614765997 Don't pollute dmesg on deferred probe and simplify the code with dev_err_probe(). Signed-off-by: Krzysztof Kozlowski Reviewed-by: Daniel Thompson --- drivers/video/backlight/lm3630a_bl.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/video/backlight/lm3630a_bl.c b/drivers/video/backlight/lm3630a_bl.c index a3412c936ca2..93fd6dbccc28 100644 --- a/drivers/video/backlight/lm3630a_bl.c +++ b/drivers/video/backlight/lm3630a_bl.c @@ -563,10 +563,9 @@ static int lm3630a_probe(struct i2c_client *client) /* pwm */ if (pdata->pwm_ctrl != LM3630A_PWM_DISABLE) { pchip->pwmd = devm_pwm_get(pchip->dev, "lm3630a-pwm"); - if (IS_ERR(pchip->pwmd)) { - dev_err(&client->dev, "fail : get pwm device\n"); - return PTR_ERR(pchip->pwmd); - } + if (IS_ERR(pchip->pwmd)) + return dev_err_probe(&client->dev, PTR_ERR(pchip->pwmd), + "fail : get pwm device\n"); pwm_init_state(pchip->pwmd, &pchip->pwmd_state); }