From patchwork Mon May 24 02:11:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yue Haibing X-Patchwork-Id: 12275323 X-Patchwork-Delegate: cw00.choi@samsung.com 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 CE43EC47082 for ; Mon, 24 May 2021 02:12:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8FC0E61151 for ; Mon, 24 May 2021 02:12:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231782AbhEXCNn (ORCPT ); Sun, 23 May 2021 22:13:43 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:5670 "EHLO szxga04-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231765AbhEXCNn (ORCPT ); Sun, 23 May 2021 22:13:43 -0400 Received: from dggems701-chm.china.huawei.com (unknown [172.30.72.60]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4FpLHm342dz1BQn6; Mon, 24 May 2021 10:09:24 +0800 (CST) Received: from dggema769-chm.china.huawei.com (10.1.198.211) by dggems701-chm.china.huawei.com (10.3.19.178) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2176.2; Mon, 24 May 2021 10:12:11 +0800 Received: from localhost (10.174.179.215) by dggema769-chm.china.huawei.com (10.1.198.211) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Mon, 24 May 2021 10:12:10 +0800 From: YueHaibing To: , , , CC: , Subject: [PATCH -next] PM / devfreq: governor: use DEVICE_ATTR_RW macro Date: Mon, 24 May 2021 10:11:58 +0800 Message-ID: <20210524021158.21236-1-yuehaibing@huawei.com> X-Mailer: git-send-email 2.10.2.windows.1 MIME-Version: 1.0 X-Originating-IP: [10.174.179.215] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To dggema769-chm.china.huawei.com (10.1.198.211) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Use DEVICE_ATTR_RW helper instead of plain DEVICE_ATTR, which makes the code a bit shorter and easier to read. Signed-off-by: YueHaibing --- drivers/devfreq/governor_userspace.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/devfreq/governor_userspace.c b/drivers/devfreq/governor_userspace.c index 0fd6c4851071..ab9db7adb3ad 100644 --- a/drivers/devfreq/governor_userspace.c +++ b/drivers/devfreq/governor_userspace.c @@ -31,8 +31,8 @@ static int devfreq_userspace_func(struct devfreq *df, unsigned long *freq) return 0; } -static ssize_t store_freq(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) +static ssize_t set_freq_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) { struct devfreq *devfreq = to_devfreq(dev); struct userspace_data *data; @@ -52,8 +52,8 @@ static ssize_t store_freq(struct device *dev, struct device_attribute *attr, return err; } -static ssize_t show_freq(struct device *dev, struct device_attribute *attr, - char *buf) +static ssize_t set_freq_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct devfreq *devfreq = to_devfreq(dev); struct userspace_data *data; @@ -70,7 +70,7 @@ static ssize_t show_freq(struct device *dev, struct device_attribute *attr, return err; } -static DEVICE_ATTR(set_freq, 0644, show_freq, store_freq); +static DEVICE_ATTR_RW(set_freq); static struct attribute *dev_entries[] = { &dev_attr_set_freq.attr, NULL,