From patchwork Tue Sep 24 08:59:53 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 1166458 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-pwm-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=nxp.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 46cwDS6q9cz9s4Y for ; Tue, 24 Sep 2019 19:02:00 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729588AbfIXJCA (ORCPT ); Tue, 24 Sep 2019 05:02:00 -0400 Received: from inva021.nxp.com ([92.121.34.21]:49584 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726094AbfIXJB7 (ORCPT ); Tue, 24 Sep 2019 05:01:59 -0400 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id C0AD1200857; Tue, 24 Sep 2019 11:01:56 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 8EF1620077E; Tue, 24 Sep 2019 11:01:52 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 22B6A4029F; Tue, 24 Sep 2019 17:01:47 +0800 (SGT) From: Anson Huang To: thierry.reding@gmail.com, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-pwm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Linux-imx@nxp.com Subject: [PATCH] pwm: pwm-imx27: Use 'dev' instead of dereferencing it repeatedly Date: Tue, 24 Sep 2019 16:59:53 +0800 Message-Id: <1569315593-769-1-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-pwm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pwm@vger.kernel.org Add helper variable dev = &pdev->dev to simply the code. Signed-off-by: Anson Huang --- drivers/pwm/pwm-imx27.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/pwm/pwm-imx27.c b/drivers/pwm/pwm-imx27.c index 434a351..3afee29 100644 --- a/drivers/pwm/pwm-imx27.c +++ b/drivers/pwm/pwm-imx27.c @@ -290,27 +290,28 @@ MODULE_DEVICE_TABLE(of, pwm_imx27_dt_ids); static int pwm_imx27_probe(struct platform_device *pdev) { + struct device *dev = &pdev->dev; struct pwm_imx27_chip *imx; - imx = devm_kzalloc(&pdev->dev, sizeof(*imx), GFP_KERNEL); + imx = devm_kzalloc(dev, sizeof(*imx), GFP_KERNEL); if (imx == NULL) return -ENOMEM; platform_set_drvdata(pdev, imx); - imx->clk_ipg = devm_clk_get(&pdev->dev, "ipg"); + imx->clk_ipg = devm_clk_get(dev, "ipg"); if (IS_ERR(imx->clk_ipg)) { - dev_err(&pdev->dev, "getting ipg clock failed with %ld\n", + dev_err(dev, "getting ipg clock failed with %ld\n", PTR_ERR(imx->clk_ipg)); return PTR_ERR(imx->clk_ipg); } - imx->clk_per = devm_clk_get(&pdev->dev, "per"); + imx->clk_per = devm_clk_get(dev, "per"); if (IS_ERR(imx->clk_per)) { int ret = PTR_ERR(imx->clk_per); if (ret != -EPROBE_DEFER) - dev_err(&pdev->dev, + dev_err(dev, "failed to get peripheral clock: %d\n", ret); @@ -318,7 +319,7 @@ static int pwm_imx27_probe(struct platform_device *pdev) } imx->chip.ops = &pwm_imx27_ops; - imx->chip.dev = &pdev->dev; + imx->chip.dev = dev; imx->chip.base = -1; imx->chip.npwm = 1;