From patchwork Thu Feb 1 15:14:15 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 195457 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:7301:9bc1:b0:106:209c:c626 with SMTP id op1csp16882dyc; Thu, 1 Feb 2024 12:55:37 -0800 (PST) X-Google-Smtp-Source: AGHT+IEzB14jfupnAsqpWeztmJm4OCUWFK/nl4Ao8ZXA5wZSk7Vx0f56+uOBjPShcrGAlsUK+FRF X-Received: by 2002:a05:6a20:6313:b0:19e:2dd2:1f56 with SMTP id h19-20020a056a20631300b0019e2dd21f56mr187282pzf.10.1706820937072; Thu, 01 Feb 2024 12:55:37 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1706820937; cv=pass; d=google.com; s=arc-20160816; b=xYIAJZkKJEBYrB4s0UMOmG5BKETKgm/jzpLNrpLXraPilp5lk6WUgtRr8wSqUMZFDP 0MUe3pNCuvNuh72+arA0Mvxc69t+J+jgBQuazz2lcEzJ3teAQMLFwDEbQSh5TrVeIc4x G7McYIF+Whdf1gasg+GS32V9VH70AP1HsMEGuIF4o0ghfKl34Bo0QHB/I7H1gc09vTNj Jr9DfcQs28mw4wS0Ceo8bCkVybajr+NXNPX3ItKtLns7RIWdK6kEZxyKY9cAsIrHKDTL DbB6l7PXsP2N2raxv3d3C8JTHlmDq5DpBelfYq7yJV+EMoWtChVPkUah+Wtx0h4+cS6N VRbA== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:references:in-reply-to:message-id :date:subject:cc:to:from:dkim-signature; bh=bpg20pLDsuN97+ZZV0X8oCtrsaiEnXOUQhmx6fcSYyk=; fh=dZ743UOnjWEfPc9D3ke+qYXRQfnP2kFJypyIQS7EFJs=; b=Ijz7qyL7Ekz6lEXxwHXldNq+uRXsD19jiVWwXMg5MJgNq9VF7oe0lEVjnfXjUauYoe acG8tDT1kKNTb0KxBqtPfcta1U2l6ccI4ETqAaGHOU/hVVVHgW7BwNIJwSyHgkvbx6g3 gCiuZ6gKgjYb8hYT29t4BuxJqNnFQqIgRC09tTwKPpL4ffHmYpgVzwzpkVO2SVgjrHMQ 5oFkMB17lUFiBPCim9jam9Xz++O6CRQ+anTGo0g6G5x3gvyUbb8P/VsXhP9Y80yeSRgt mbSMaCsrJplZ3TlHOYTSYo4+0P1LD0ajUCSDhONldvZNDMceIi8+Y0g124vW5ze6+cpr z2hw==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=a6zOFB0Y; arc=pass (i=1 dkim=pass dkdomain=intel.com dmarc=pass fromdomain=linux.intel.com); spf=pass (google.com: domain of linux-kernel+bounces-48537-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:40f1:3f00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-48537-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com X-Forwarded-Encrypted: i=1; AJvYcCVwUPkFUTxqnGMtFKj3zBEfpg4yIS2atCgkz27yNI9Tgj3BLWUGQ3C2SgxzUDN1No99umq74In9jkUDQF2GXYSTBJB2gg== Received: from sy.mirrors.kernel.org (sy.mirrors.kernel.org. [2604:1380:40f1:3f00::1]) by mx.google.com with ESMTPS id r4-20020a63d904000000b005d81bb64355si304645pgg.892.2024.02.01.12.55.36 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Feb 2024 12:55:37 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-48537-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:40f1:3f00::1 as permitted sender) client-ip=2604:1380:40f1:3f00::1; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=a6zOFB0Y; arc=pass (i=1 dkim=pass dkdomain=intel.com dmarc=pass fromdomain=linux.intel.com); spf=pass (google.com: domain of linux-kernel+bounces-48537-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:40f1:3f00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-48537-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com 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 04A3DB30D3C for ; Thu, 1 Feb 2024 16:34:15 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 2222F566F; Thu, 1 Feb 2024 16:33:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="a6zOFB0Y" Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.31]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 184364C6C; Thu, 1 Feb 2024 16:33:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=134.134.136.31 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706805235; cv=none; b=lbnAhJSXsSq9PwPEH1xdi5cMoRq7olYqYW/V9VrFyzcLJvfPDfOvzx2O1YIZ7evEheE/rAMuxx9G8vq31KDb16m5srrKWY21tRp5BDNQMvMiTmiasFdAavbjoWMlkOgB+M9tg9itv8TAeoz6eN0An6kK8lwS1Y9Ww7RwmceuN6M= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706805235; c=relaxed/simple; bh=Y4tGleDCKLWtxFwW/vft+m/ukBpChbYl89eQXzMV72U=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=FnjqWufN4tUas0/aivIHPHuR+uy5acHsIxeWJimZk+Fx2XAKrVyAJihKd7c2l97pMTyK4sHm/x7daJodbYmjtzNzSJhXOpsGBv5CoXLKbNnmgHKbMGmZe7aqZcsP14+j/cb4iYNravYS63l7iKHA5ypDUah4BX8Wrg/AEpdtynI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=a6zOFB0Y; arc=none smtp.client-ip=134.134.136.31 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1706805233; x=1738341233; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Y4tGleDCKLWtxFwW/vft+m/ukBpChbYl89eQXzMV72U=; b=a6zOFB0YS7Xb50kcscGV0/RRu/D6+hjzoZtuEsRPxizC0n/QrHTbHNsv HBFGnwnbHN3p2p8yuTH0t3hMoygjN92CPqu8KXqXxcETdVGo/Io+BkFph wqPzLfjV6NANyF7qhgPEhAk+yZWpPycHSX230pMZApcvliWe/5j0NPO3D 3+r8zWksdCiNaLVbAPHmmnMnxAgGtN7QFCFBIG4KKawyJLCHAq1n4QT1z nQIpMknsG/FEbOSEcGokczCpcafs0+sQbxNLJBLnIIcUKkU/zHh0Jb4Rg Op+3/pJKqH+vi2zFMu0kMoiSaLYZOMQ43uw6Pp9q9EbK6u3cHG6BKluT9 g==; X-IronPort-AV: E=McAfee;i="6600,9927,10969"; a="468167634" X-IronPort-AV: E=Sophos;i="6.05,234,1701158400"; d="scan'208";a="468167634" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Feb 2024 08:31:45 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10969"; a="908292478" X-IronPort-AV: E=Sophos;i="6.05,234,1701158400"; d="scan'208";a="908292478" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga002.fm.intel.com with ESMTP; 01 Feb 2024 08:31:41 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id DEA06C41; Thu, 1 Feb 2024 17:15:42 +0200 (EET) From: Andy Shevchenko To: Flavio Suligoi , Andy Shevchenko , dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Lee Jones , Daniel Thompson , Jingoo Han , Helge Deller Subject: [PATCH v2 3/3] backlight: mp3309c: Utilise temporary variable for struct device Date: Thu, 1 Feb 2024 17:14:15 +0200 Message-ID: <20240201151537.367218-4-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.43.0.rc1.1.gbec44491f096 In-Reply-To: <20240201151537.367218-1-andriy.shevchenko@linux.intel.com> References: <20240201151537.367218-1-andriy.shevchenko@linux.intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1789731470609067464 X-GMAIL-MSGID: 1789731470609067464 We have a temporary variable to keep pointer to struct device. Utilise it where it makes sense. Reviewed-by: Daniel Thompson Tested-by: Flavio Suligoi Signed-off-by: Andy Shevchenko --- drivers/video/backlight/mp3309c.c | 30 ++++++++++++------------------ 1 file changed, 12 insertions(+), 18 deletions(-) diff --git a/drivers/video/backlight/mp3309c.c b/drivers/video/backlight/mp3309c.c index 2d6bd1a180b3..e7abefd175a4 100644 --- a/drivers/video/backlight/mp3309c.c +++ b/drivers/video/backlight/mp3309c.c @@ -222,10 +222,9 @@ static int mp3309c_parse_fwnode(struct mp3309c_chip *chip, */ pdata->dimming_mode = DIMMING_ANALOG_I2C; if (device_property_present(dev, "pwms")) { - chip->pwmd = devm_pwm_get(chip->dev, NULL); + chip->pwmd = devm_pwm_get(dev, NULL); if (IS_ERR(chip->pwmd)) - return dev_err_probe(chip->dev, PTR_ERR(chip->pwmd), - "error getting pwm data\n"); + return dev_err_probe(dev, PTR_ERR(chip->pwmd), "error getting pwm data\n"); pdata->dimming_mode = DIMMING_PWM; pwm_apply_args(chip->pwmd); } @@ -243,11 +242,9 @@ static int mp3309c_parse_fwnode(struct mp3309c_chip *chip, num_levels = ANALOG_I2C_NUM_LEVELS; /* Enable GPIO used in I2C dimming mode only */ - chip->enable_gpio = devm_gpiod_get(chip->dev, "enable", - GPIOD_OUT_HIGH); + chip->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_HIGH); if (IS_ERR(chip->enable_gpio)) - return dev_err_probe(chip->dev, - PTR_ERR(chip->enable_gpio), + return dev_err_probe(dev, PTR_ERR(chip->enable_gpio), "error getting enable gpio\n"); } else { /* @@ -265,8 +262,7 @@ static int mp3309c_parse_fwnode(struct mp3309c_chip *chip, } /* Fill brightness levels array */ - pdata->levels = devm_kcalloc(chip->dev, num_levels, - sizeof(*pdata->levels), GFP_KERNEL); + pdata->levels = devm_kcalloc(dev, num_levels, sizeof(*pdata->levels), GFP_KERNEL); if (!pdata->levels) return -ENOMEM; if (device_property_present(dev, "brightness-levels")) { @@ -336,21 +332,21 @@ static int mp3309c_probe(struct i2c_client *client) if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) return dev_err_probe(dev, -EOPNOTSUPP, "failed to check i2c functionality\n"); - chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL); + chip = devm_kzalloc(dev, sizeof(*chip), GFP_KERNEL); if (!chip) return -ENOMEM; - chip->dev = &client->dev; + chip->dev = dev; chip->regmap = devm_regmap_init_i2c(client, &mp3309c_regmap); if (IS_ERR(chip->regmap)) - return dev_err_probe(&client->dev, PTR_ERR(chip->regmap), + return dev_err_probe(dev, PTR_ERR(chip->regmap), "failed to allocate register map\n"); i2c_set_clientdata(client, chip); if (!pdata) { - pdata = devm_kzalloc(chip->dev, sizeof(*pdata), GFP_KERNEL); + pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL); if (!pdata) return -ENOMEM; @@ -367,11 +363,10 @@ static int mp3309c_probe(struct i2c_client *client) props.type = BACKLIGHT_RAW; props.power = FB_BLANK_UNBLANK; props.fb_blank = FB_BLANK_UNBLANK; - chip->bl = devm_backlight_device_register(chip->dev, "mp3309c", - chip->dev, chip, + chip->bl = devm_backlight_device_register(dev, "mp3309c", dev, chip, &mp3309c_bl_ops, &props); if (IS_ERR(chip->bl)) - return dev_err_probe(chip->dev, PTR_ERR(chip->bl), + return dev_err_probe(dev, PTR_ERR(chip->bl), "error registering backlight device\n"); /* In PWM dimming mode, enable pwm device */ @@ -383,8 +378,7 @@ static int mp3309c_probe(struct i2c_client *client) pwmstate.enabled = true; ret = pwm_apply_state(chip->pwmd, &pwmstate); if (ret) - return dev_err_probe(chip->dev, ret, - "error setting pwm device\n"); + return dev_err_probe(dev, ret, "error setting pwm device\n"); } chip->pdata->status = FIRST_POWER_ON;