From patchwork Thu Jun 3 07:02:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Leizhen (ThunderTown)" X-Patchwork-Id: 12296415 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 8EBA1C47096 for ; Thu, 3 Jun 2021 07:02:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6C0D0613E6 for ; Thu, 3 Jun 2021 07:02:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229610AbhFCHEW (ORCPT ); Thu, 3 Jun 2021 03:04:22 -0400 Received: from szxga03-in.huawei.com ([45.249.212.189]:3397 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229567AbhFCHEW (ORCPT ); Thu, 3 Jun 2021 03:04:22 -0400 Received: from dggemv704-chm.china.huawei.com (unknown [172.30.72.54]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4FwcF72cGZz5xKV; Thu, 3 Jun 2021 14:58:51 +0800 (CST) Received: from dggpemm500006.china.huawei.com (7.185.36.236) by dggemv704-chm.china.huawei.com (10.3.19.47) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Thu, 3 Jun 2021 15:02:36 +0800 Received: from thunder-town.china.huawei.com (10.174.177.72) by dggpemm500006.china.huawei.com (7.185.36.236) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Thu, 3 Jun 2021 15:02:36 +0800 From: Zhen Lei To: Sean Young , Mauro Carvalho Chehab , linux-media CC: Zhen Lei Subject: [PATCH 1/1] media: imon: use DEVICE_ATTR_RW() helper macro Date: Thu, 3 Jun 2021 15:02:30 +0800 Message-ID: <20210603070230.11332-1-thunder.leizhen@huawei.com> X-Mailer: git-send-email 2.26.0.windows.1 MIME-Version: 1.0 X-Originating-IP: [10.174.177.72] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggpemm500006.china.huawei.com (7.185.36.236) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Use DEVICE_ATTR_RW() helper macro instead of DEVICE_ATTR(), which is simpler and more readable. Due to the names of the read and write functions of the sysfs attribute is normalized, there is a natural association. Signed-off-by: Zhen Lei --- drivers/media/rc/imon.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff --git a/drivers/media/rc/imon.c b/drivers/media/rc/imon.c index a7962ca2ac8e3da..2ca4e86c7b9f1d7 100644 --- a/drivers/media/rc/imon.c +++ b/drivers/media/rc/imon.c @@ -780,7 +780,7 @@ static int send_set_imon_clock(struct imon_context *ictx, /* * These are the sysfs functions to handle the association on the iMON 2.4G LT. */ -static ssize_t show_associate_remote(struct device *d, +static ssize_t associate_remote_show(struct device *d, struct device_attribute *attr, char *buf) { @@ -800,7 +800,7 @@ static ssize_t show_associate_remote(struct device *d, return strlen(buf); } -static ssize_t store_associate_remote(struct device *d, +static ssize_t associate_remote_store(struct device *d, struct device_attribute *attr, const char *buf, size_t count) { @@ -822,7 +822,7 @@ static ssize_t store_associate_remote(struct device *d, /* * sysfs functions to control internal imon clock */ -static ssize_t show_imon_clock(struct device *d, +static ssize_t imon_clock_show(struct device *d, struct device_attribute *attr, char *buf) { struct imon_context *ictx = dev_get_drvdata(d); @@ -848,7 +848,7 @@ static ssize_t show_imon_clock(struct device *d, return len; } -static ssize_t store_imon_clock(struct device *d, +static ssize_t imon_clock_store(struct device *d, struct device_attribute *attr, const char *buf, size_t count) { @@ -895,11 +895,8 @@ static ssize_t store_imon_clock(struct device *d, } -static DEVICE_ATTR(imon_clock, S_IWUSR | S_IRUGO, show_imon_clock, - store_imon_clock); - -static DEVICE_ATTR(associate_remote, S_IWUSR | S_IRUGO, show_associate_remote, - store_associate_remote); +static DEVICE_ATTR_RW(imon_clock); +static DEVICE_ATTR_RW(associate_remote); static struct attribute *imon_display_sysfs_entries[] = { &dev_attr_imon_clock.attr,