linux-kernel - [PATCH] ACPI: CPPC: use sysfs_emit() to instead of scnprintf()

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Message-ID: <202211291933224896510@zte.com.cn>
Date:   Tue, 29 Nov 2022 19:33:22 +0800 (CST)
From:   <ye.xingchen@....com.cn>
To:     <rafael@...nel.org>
Cc:     <lenb@...nel.org>, <linux-acpi@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] ACPI: CPPC: use sysfs_emit() to instead of scnprintf()

From: ye xingchen <ye.xingchen@....com.cn>

Replace the open-code with sysfs_emit() to simplify the code.

Signed-off-by: ye xingchen <ye.xingchen@....com.cn>
---
 drivers/acpi/cppc_acpi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

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);
-- 
2.25.1