From patchwork Fri May 28 07:21:20 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yue Haibing X-Patchwork-Id: 12286329 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_NONE,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 9D716C47087 for ; Fri, 28 May 2021 07:22:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 818386135F for ; Fri, 28 May 2021 07:22:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235179AbhE1HXw (ORCPT ); Fri, 28 May 2021 03:23:52 -0400 Received: from szxga02-in.huawei.com ([45.249.212.188]:2445 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235763AbhE1HXp (ORCPT ); Fri, 28 May 2021 03:23:45 -0400 Received: from dggeml766-chm.china.huawei.com (unknown [172.30.72.53]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4FrwzR576Zz66WK; Fri, 28 May 2021 15:19:15 +0800 (CST) Received: from dggema769-chm.china.huawei.com (10.1.198.211) by dggeml766-chm.china.huawei.com (10.1.199.176) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Fri, 28 May 2021 15:22:09 +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; Fri, 28 May 2021 15:22:08 +0800 From: YueHaibing To: , , , , , , , CC: , , , Subject: [PATCH -next] drm/exynos-vidi: use DEVICE_ATTR_RW macro Date: Fri, 28 May 2021 15:21:20 +0800 Message-ID: <20210528072120.21332-1-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: dggems705-chm.china.huawei.com (10.3.19.182) To dggema769-chm.china.huawei.com (10.1.198.211) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@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/gpu/drm/exynos/exynos_drm_vidi.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c index e5662bdcbbde..a3a95a2c0bae 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c @@ -165,8 +165,8 @@ static void vidi_fake_vblank_timer(struct timer_list *t) jiffies + msecs_to_jiffies(VIDI_REFRESH_TIME) - 1); } -static ssize_t vidi_show_connection(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t connection_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct vidi_context *ctx = dev_get_drvdata(dev); int rc; @@ -180,7 +180,7 @@ static ssize_t vidi_show_connection(struct device *dev, return rc; } -static ssize_t vidi_store_connection(struct device *dev, +static ssize_t connection_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { @@ -211,8 +211,7 @@ static ssize_t vidi_store_connection(struct device *dev, return len; } -static DEVICE_ATTR(connection, 0644, vidi_show_connection, - vidi_store_connection); +static DEVICE_ATTR_RW(connection); static struct attribute *vidi_attrs[] = { &dev_attr_connection.attr,