Commit 92266c65 authored Nov 30, 2022 by ye xingchen Committed by Rafael J. Wysocki Dec 02, 2022

ACPI: use sysfs_emit() instead of scnprintf()



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

Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

parent ebb92d58

drivers/acpi/acpi_pad.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -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);

drivers/acpi/cppc_acpi.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -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);