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 X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 626D8C5B578 for ; Thu, 4 Jul 2019 02:36:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3B26F218DA for ; Thu, 4 Jul 2019 02:36:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="AhZu6qwN" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727351AbfGDCgV (ORCPT ); Wed, 3 Jul 2019 22:36:21 -0400 Received: from mail-pl1-f195.google.com ([209.85.214.195]:45447 "EHLO mail-pl1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727321AbfGDCgU (ORCPT ); Wed, 3 Jul 2019 22:36:20 -0400 Received: by mail-pl1-f195.google.com with SMTP id bi6so2228637plb.12; Wed, 03 Jul 2019 19:36:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=17cMyJgkH0HXIw8s34At2XEgsBcEyQIQIxsPseRkodQ=; b=AhZu6qwNvuKVgc2zCyQWl3kpfq9nrUQ7ZGdN6X84iD8N/26u0xKL81+p3gtxhrdzRM dkALJCpyzfrpqDiWLEFCxSZCRZtI24uPKw+ybheFuYW13A/G+LAD/5AvTvnXCLuRibCu qgM54t5LaflpwC0jfVCB8IXB+SKa9zmbWUuY0fbv/eGHf8BdAfYqMU0M6T2WGKlhURcr y6t7IZeZViNno5SMudoWsdRUqWEaLYJuJik5mmMAuypDU2IjJ8o59XQlFm0mPBCX1OFs OOCqxWrshJm24ozgbcJIdPC39PF+ryUu5A04bKgrxFDcCGQ2Kr3OXr+mrpqmraUPOi7u PbFA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=17cMyJgkH0HXIw8s34At2XEgsBcEyQIQIxsPseRkodQ=; b=nTa6ENsna82i80cz9TDER2N/LtdIQr5Qm+Jkpvo+AQRAzcnQktnIl4Ok5TbG3GNufT F7nRzpnzwmVzA1sDoLURf+WbJocQIgZ/XmYI0vnMvn+2etKvnUWK2HpTtFOPbn9ArglR E1U7RJqw0o6Blw3crBYkH44ZubWa2v1Gd/A/HJNASbrk/ugjyTLXp8sRfEUje3QErGGk YmFQIz8282tiAV3vQYLZh1oY5T+ZRcDX5DJhLB5y2l5uEONlUjd8V83ujcAXHFC2rPWh F/g4zGABlGVvN4qfz2ffiYVNvFQxOrWvcAk2LY0wSLgrMBtOBfIIQg7kpkZogSr2L60e +MpQ== X-Gm-Message-State: APjAAAVI5dQvZWUox6sNl888HlUSo5DKQHBs8F8U+mlzRfJzyl340wq+ HsIFpgyrQMS0y/Z6zJvfLdE= X-Google-Smtp-Source: APXvYqyYa/qQjBq+L2gVp4kXx/POPivUqzYoxZec3adveil5Y74g248FhWBgTXuiScCpCkSHU+aWog== X-Received: by 2002:a17:902:a03:: with SMTP id 3mr45646324plo.302.1562207779601; Wed, 03 Jul 2019 19:36:19 -0700 (PDT) Received: from hfq-skylake.ipads-lab.se.sjtu.edu.cn ([202.120.40.82]) by smtp.googlemail.com with ESMTPSA id n26sm4055726pfa.83.2019.07.03.19.36.16 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 03 Jul 2019 19:36:19 -0700 (PDT) From: Fuqian Huang Cc: Ludovic Desroches , Eugen Hristev , Jonathan Cameron , Nicolas Ferre , Alexandre Belloni , linux-iio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Fuqian Huang Subject: [Patch v2 05/10] iio: using dev_get_drvdata directly Date: Thu, 4 Jul 2019 10:36:13 +0800 Message-Id: <20190704023613.4643-1-huangfq.daxian@gmail.com> X-Mailer: git-send-email 2.11.0 To: unlisted-recipients:; (no To-header on input) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Several drivers cast a struct device pointer to a struct platform_device pointer only to then call platform_get_drvdata(). To improve readability, these constructs can be simplified by using dev_get_drvdata() directly. Signed-off-by: Fuqian Huang --- Changes in v2: - Make the commit message more clearly. drivers/iio/adc/at91-sama5d2_adc.c | 12 ++++-------- drivers/iio/adc/at91_adc.c | 4 ++-- 2 files changed, 6 insertions(+), 10 deletions(-) diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c index d384cf0250ff..a2837a0e7cba 100644 --- a/drivers/iio/adc/at91-sama5d2_adc.c +++ b/drivers/iio/adc/at91-sama5d2_adc.c @@ -1578,8 +1578,7 @@ static void at91_adc_hw_init(struct at91_adc_state *st) static ssize_t at91_adc_get_fifo_state(struct device *dev, struct device_attribute *attr, char *buf) { - struct iio_dev *indio_dev = - platform_get_drvdata(to_platform_device(dev)); + struct iio_dev *indio_dev = dev_get_drvdata(dev); struct at91_adc_state *st = iio_priv(indio_dev); return scnprintf(buf, PAGE_SIZE, "%d\n", !!st->dma_st.dma_chan); @@ -1588,8 +1587,7 @@ static ssize_t at91_adc_get_fifo_state(struct device *dev, static ssize_t at91_adc_get_watermark(struct device *dev, struct device_attribute *attr, char *buf) { - struct iio_dev *indio_dev = - platform_get_drvdata(to_platform_device(dev)); + struct iio_dev *indio_dev = dev_get_drvdata(dev); struct at91_adc_state *st = iio_priv(indio_dev); return scnprintf(buf, PAGE_SIZE, "%d\n", st->dma_st.watermark); @@ -1841,8 +1839,7 @@ static int at91_adc_remove(struct platform_device *pdev) static __maybe_unused int at91_adc_suspend(struct device *dev) { - struct iio_dev *indio_dev = - platform_get_drvdata(to_platform_device(dev)); + struct iio_dev *indio_dev = dev_get_drvdata(dev); struct at91_adc_state *st = iio_priv(indio_dev); /* @@ -1862,8 +1859,7 @@ static __maybe_unused int at91_adc_suspend(struct device *dev) static __maybe_unused int at91_adc_resume(struct device *dev) { - struct iio_dev *indio_dev = - platform_get_drvdata(to_platform_device(dev)); + struct iio_dev *indio_dev = dev_get_drvdata(dev); struct at91_adc_state *st = iio_priv(indio_dev); int ret; diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c index d23709ed9049..32f1c4a33b20 100644 --- a/drivers/iio/adc/at91_adc.c +++ b/drivers/iio/adc/at91_adc.c @@ -1359,7 +1359,7 @@ static int at91_adc_remove(struct platform_device *pdev) #ifdef CONFIG_PM_SLEEP static int at91_adc_suspend(struct device *dev) { - struct iio_dev *idev = platform_get_drvdata(to_platform_device(dev)); + struct iio_dev *idev = dev_get_drvdata(dev); struct at91_adc_state *st = iio_priv(idev); pinctrl_pm_select_sleep_state(dev); @@ -1370,7 +1370,7 @@ static int at91_adc_suspend(struct device *dev) static int at91_adc_resume(struct device *dev) { - struct iio_dev *idev = platform_get_drvdata(to_platform_device(dev)); + struct iio_dev *idev = dev_get_drvdata(dev); struct at91_adc_state *st = iio_priv(idev); clk_prepare_enable(st->clk); -- 2.11.0