From patchwork Thu Aug 27 18:58:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 11741377 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AB08C13A4 for ; Thu, 27 Aug 2020 19:00:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 91FB220786 for ; Thu, 27 Aug 2020 19:00:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598554823; bh=eXMt5GFmPiowNmxRcnRTBlnppZ3l++hl89a9Ed7/K7s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=SZsd7AnqoQu1VIQ44uM9SqRsQ/C2lHYVauEnV46Ib+4UHNjRGDWGQyjOgQDah/9ii T+mOgdzvx9ha9HbQIGnyC6BoKZ9ib8ZgSL+4vkTVmHIwihrjppto+N3iHnM4lZzZVU E5uY9KWqM0kKkNokrYSqoyWnzZAid2rCSfMIJwks= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728369AbgH0TAR (ORCPT ); Thu, 27 Aug 2020 15:00:17 -0400 Received: from mail.kernel.org ([198.145.29.99]:51066 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728355AbgH0TAN (ORCPT ); Thu, 27 Aug 2020 15:00:13 -0400 Received: from localhost.localdomain (unknown [194.230.155.216]) (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 BDBBB2087E; Thu, 27 Aug 2020 19:00:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598554812; bh=eXMt5GFmPiowNmxRcnRTBlnppZ3l++hl89a9Ed7/K7s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pXxgyKUdL7xGuMfB1bfTElJik7VRYtBtwaaL75FuGwNbJr7xwHf9QkQIHunQfTIpE 2u09AdH/xnxUGm7ud5J3aqywxiP0ar3VJQJ/17Qw6xC9qQAna9GmTEsYljIpmsyAsB 6ZpDJB0QgT3ab8dHoEDocg+PlYh74r7K9gkaV2o8= From: Krzysztof Kozlowski To: Linus Walleij , Bartosz Golaszewski , Dmitry Torokhov , Hans de Goede , Bastien Nocera , Sangwon Jee , Eugen Hristev , Andy Shevchenko , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, platform-driver-x86@vger.kernel.org, clang-built-linux@googlegroups.com Cc: Krzysztof Kozlowski Subject: [PATCH v3 27/27] Input: bu21029_ts - Use local 'client->dev' variable in probe() Date: Thu, 27 Aug 2020 20:58:29 +0200 Message-Id: <20200827185829.30096-28-krzk@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200827185829.30096-1-krzk@kernel.org> References: <20200827185829.30096-1-krzk@kernel.org> Sender: platform-driver-x86-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: platform-driver-x86@vger.kernel.org 'dev' is shorter and simpler than '&client->dev' and in few cases it allows to skip line wrapping. Probe function uses '&client->dev' a lot, so this improves readability slightly. Suggested-by: Andy Shevchenko Signed-off-by: Krzysztof Kozlowski Reviewed-by: Andy Shevchenko --- Changes since v2: 1. New patch --- drivers/input/touchscreen/bu21029_ts.c | 37 +++++++++++--------------- 1 file changed, 16 insertions(+), 21 deletions(-) diff --git a/drivers/input/touchscreen/bu21029_ts.c b/drivers/input/touchscreen/bu21029_ts.c index 96c178b606dc..78e256254764 100644 --- a/drivers/input/touchscreen/bu21029_ts.c +++ b/drivers/input/touchscreen/bu21029_ts.c @@ -334,6 +334,7 @@ static void bu21029_stop_chip(struct input_dev *dev) static int bu21029_probe(struct i2c_client *client, const struct i2c_device_id *id) { + struct device *dev = &client->dev; struct bu21029_ts_data *bu21029; struct input_dev *in_dev; int error; @@ -342,37 +343,33 @@ static int bu21029_probe(struct i2c_client *client, I2C_FUNC_SMBUS_WRITE_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA | I2C_FUNC_SMBUS_READ_I2C_BLOCK)) { - dev_err(&client->dev, - "i2c functionality support is not sufficient\n"); + dev_err(dev, "i2c functionality support is not sufficient\n"); return -EIO; } - bu21029 = devm_kzalloc(&client->dev, sizeof(*bu21029), GFP_KERNEL); + bu21029 = devm_kzalloc(dev, sizeof(*bu21029), GFP_KERNEL); if (!bu21029) return -ENOMEM; - error = device_property_read_u32(&client->dev, "rohm,x-plate-ohms", - &bu21029->x_plate_ohms); + error = device_property_read_u32(dev, "rohm,x-plate-ohms", &bu21029->x_plate_ohms); if (error) { - dev_err(&client->dev, - "invalid 'x-plate-ohms' supplied: %d\n", error); + dev_err(dev, "invalid 'x-plate-ohms' supplied: %d\n", error); return error; } - bu21029->vdd = devm_regulator_get(&client->dev, "vdd"); + bu21029->vdd = devm_regulator_get(dev, "vdd"); if (IS_ERR(bu21029->vdd)) - return dev_err_probe(&client->dev, PTR_ERR(bu21029->vdd), + return dev_err_probe(dev, PTR_ERR(bu21029->vdd), "failed to acquire 'vdd' supply\n"); - bu21029->reset_gpios = devm_gpiod_get_optional(&client->dev, - "reset", GPIOD_OUT_HIGH); + bu21029->reset_gpios = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH); if (IS_ERR(bu21029->reset_gpios)) - return dev_err_probe(&client->dev, PTR_ERR(bu21029->reset_gpios), + return dev_err_probe(dev, PTR_ERR(bu21029->reset_gpios), "failed to acquire 'reset' gpio\n"); - in_dev = devm_input_allocate_device(&client->dev); + in_dev = devm_input_allocate_device(dev); if (!in_dev) { - dev_err(&client->dev, "unable to allocate input device\n"); + dev_err(dev, "unable to allocate input device\n"); return -ENOMEM; } @@ -394,19 +391,17 @@ static int bu21029_probe(struct i2c_client *client, input_set_drvdata(in_dev, bu21029); irq_set_status_flags(client->irq, IRQ_NOAUTOEN); - error = devm_request_threaded_irq(&client->dev, client->irq, - NULL, bu21029_touch_soft_irq, - IRQF_ONESHOT, DRIVER_NAME, bu21029); + error = devm_request_threaded_irq(dev, client->irq, NULL, + bu21029_touch_soft_irq, IRQF_ONESHOT, + DRIVER_NAME, bu21029); if (error) { - dev_err(&client->dev, - "unable to request touch irq: %d\n", error); + dev_err(dev, "unable to request touch irq: %d\n", error); return error; } error = input_register_device(in_dev); if (error) { - dev_err(&client->dev, - "unable to register input device: %d\n", error); + dev_err(dev, "unable to register input device: %d\n", error); return error; }