From patchwork Wed Sep 16 02:50:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Liu Shixin X-Patchwork-Id: 1364887 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-pwm-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=huawei.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BrkYQ6jCgz9sSs for ; Wed, 16 Sep 2020 12:28:42 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726469AbgIPC2g (ORCPT ); Tue, 15 Sep 2020 22:28:36 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:12296 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726405AbgIPC2C (ORCPT ); Tue, 15 Sep 2020 22:28:02 -0400 Received: from DGGEMS402-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 3B3D2119396917439775; Wed, 16 Sep 2020 10:27:59 +0800 (CST) Received: from huawei.com (10.175.113.32) by DGGEMS402-HUB.china.huawei.com (10.3.19.202) with Microsoft SMTP Server id 14.3.487.0; Wed, 16 Sep 2020 10:27:52 +0800 From: Liu Shixin To: Thierry Reding , =?utf-8?q?Uwe_Kleine-K=C3=B6n?= =?utf-8?q?ig?= , "Lee Jones" CC: , , Liu Shixin Subject: [PATCH -next] pwm: convert to use DEFINE_SEQ_ATTRIBUTE macro Date: Wed, 16 Sep 2020 10:50:28 +0800 Message-ID: <20200916025028.3992887-1-liushixin2@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.175.113.32] X-CFilter-Loop: Reflected Sender: linux-pwm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pwm@vger.kernel.org Use DEFINE_SEQ_ATTRIBUTE macro to simplify the code. Signed-off-by: Liu Shixin Acked-by: Uwe Kleine-König --- drivers/pwm/core.c | 17 +++-------------- 1 file changed, 3 insertions(+), 14 deletions(-) diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c index 276e939a5684..1f16f5365d3c 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -1327,30 +1327,19 @@ static int pwm_seq_show(struct seq_file *s, void *v) return 0; } -static const struct seq_operations pwm_seq_ops = { +static const struct seq_operations pwm_debugfs_sops = { .start = pwm_seq_start, .next = pwm_seq_next, .stop = pwm_seq_stop, .show = pwm_seq_show, }; -static int pwm_seq_open(struct inode *inode, struct file *file) -{ - return seq_open(file, &pwm_seq_ops); -} - -static const struct file_operations pwm_debugfs_ops = { - .owner = THIS_MODULE, - .open = pwm_seq_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; +DEFINE_SEQ_ATTRIBUTE(pwm_debugfs); static int __init pwm_debugfs_init(void) { debugfs_create_file("pwm", S_IFREG | S_IRUGO, NULL, NULL, - &pwm_debugfs_ops); + &pwm_debugfs_fops); return 0; }