From patchwork Wed Nov 30 08:16:08 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: ye.xingchen@zte.com.cn X-Patchwork-Id: 629502 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4DCF9C433FE for ; Wed, 30 Nov 2022 08:16:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232172AbiK3IQT (ORCPT ); Wed, 30 Nov 2022 03:16:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46364 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232758AbiK3IQT (ORCPT ); Wed, 30 Nov 2022 03:16:19 -0500 Received: from mxhk.zte.com.cn (mxhk.zte.com.cn [63.216.63.40]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 115D44FFB8; Wed, 30 Nov 2022 00:16:18 -0800 (PST) Received: from mse-fl2.zte.com.cn (unknown [10.5.228.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mxhk.zte.com.cn (FangMail) with ESMTPS id 4NMX8w4bkZz8RV7G; Wed, 30 Nov 2022 16:16:16 +0800 (CST) Received: from xaxapp01.zte.com.cn ([10.88.40.50]) by mse-fl2.zte.com.cn with SMTP id 2AU8G6MD040533; Wed, 30 Nov 2022 16:16:06 +0800 (+08) (envelope-from ye.xingchen@zte.com.cn) Received: from mapi (xaxapp01[null]) by mapi (Zmail) with MAPI id mid31; Wed, 30 Nov 2022 16:16:08 +0800 (CST) Date: Wed, 30 Nov 2022 16:16:08 +0800 (CST) X-Zmail-TransId: 2af963871148fffffffff8d9463e X-Mailer: Zmail v1.0 Message-ID: <202211301616083499042@zte.com.cn> Mime-Version: 1.0 From: To: Cc: , , Subject: =?utf-8?q?=5BPATCH_v2=5D_ACPI=3A_use_sysfs=5Femit=28=29_to_instead_?= =?utf-8?q?of_scnprintf=28=29?= X-MAIL: mse-fl2.zte.com.cn 2AU8G6MD040533 X-Fangmail-Gw-Spam-Type: 0 X-FangMail-Miltered: at cgslv5.04-192.168.250.137.novalocal with ID 63871150.000 by FangMail milter! X-FangMail-Envelope: 1669796176/4NMX8w4bkZz8RV7G/63871150.000/10.5.228.133/[10.5.228.133]/mse-fl2.zte.com.cn/ X-Fangmail-Anti-Spam-Filtered: true X-Fangmail-MID-QID: 63871150.000/4NMX8w4bkZz8RV7G Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org From: ye xingchen Replace the open-code with sysfs_emit() to simplify the code. Signed-off-by: ye xingchen --- v1 -> v2 combine patchs in drivers/acpi/. drivers/acpi/acpi_pad.c | 4 ++-- drivers/acpi/cppc_acpi.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c index edbb28faee2a..02f1a1b1143c 100644 --- a/drivers/acpi/acpi_pad.c +++ b/drivers/acpi/acpi_pad.c @@ -287,7 +287,7 @@ static ssize_t rrtime_store(struct device *dev, static ssize_t rrtime_show(struct device *dev, struct device_attribute *attr, char *buf) { - return scnprintf(buf, PAGE_SIZE, "%d\n", round_robin_time); + return sysfs_emit(buf, "%d\n", round_robin_time); } static DEVICE_ATTR_RW(rrtime); @@ -309,7 +309,7 @@ static ssize_t idlepct_store(struct device *dev, static ssize_t idlepct_show(struct device *dev, struct device_attribute *attr, char *buf) { - return scnprintf(buf, PAGE_SIZE, "%d\n", idle_pct); + return sysfs_emit(buf, "%d\n", idle_pct); } static DEVICE_ATTR_RW(idlepct); diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c index 093675b1a1ff..0f17b1c32718 100644 --- a/drivers/acpi/cppc_acpi.c +++ b/drivers/acpi/cppc_acpi.c @@ -148,7 +148,7 @@ __ATTR(_name, 0444, show_##_name, NULL) if (ret) \ return ret; \ \ - return scnprintf(buf, PAGE_SIZE, "%llu\n", \ + return sysfs_emit(buf, "%llu\n", \ (u64)st_name.member_name); \ } \ define_one_cppc_ro(member_name) @@ -174,7 +174,7 @@ static ssize_t show_feedback_ctrs(struct kobject *kobj, if (ret) return ret; - return scnprintf(buf, PAGE_SIZE, "ref:%llu del:%llu\n", + return sysfs_emit(buf, "ref:%llu del:%llu\n", fb_ctrs.reference, fb_ctrs.delivered); } define_one_cppc_ro(feedback_ctrs);