Commit 7ed40bcf authored by ye xingchen's avatar ye xingchen Committed by Rafael J. Wysocki
Browse files

cpufreq: stats: Convert to use sysfs_emit_at() API 



Follow the advice of the Documentation/filesystems/sysfs.rst and show()
should only use sysfs_emit() or sysfs_emit_at() when formatting the
value to be returned to user space.

Signed-off-by: default avatarye xingchen <ye.xingchen@zte.com.cn>
Acked-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 44204632

drivers/cpufreq/cpufreq_stats.c

+7 −9
Original line number Diff line number Diff line
@@ -128,25 +128,23 @@ static ssize_t show_trans_table(struct cpufreq_policy *policy, char *buf) 
	ssize_t len = 0;

	int i, j, count;



	len += scnprintf(buf + len, PAGE_SIZE - len, "   From  :    To\n");

	len += scnprintf(buf + len, PAGE_SIZE - len, "         : ");

	len += sysfs_emit_at(buf, len, "   From  :    To\n");

	len += sysfs_emit_at(buf, len, "         : ");

	for (i = 0; i < stats->state_num; i++) {

		if (len >= PAGE_SIZE)

			break;

		len += scnprintf(buf + len, PAGE_SIZE - len, "%9u ",

				stats->freq_table[i]);

		len += sysfs_emit_at(buf, len, "%9u ", stats->freq_table[i]);

	}

	if (len >= PAGE_SIZE)

		return PAGE_SIZE;



	len += scnprintf(buf + len, PAGE_SIZE - len, "\n");

	len += sysfs_emit_at(buf, len, "\n");



	for (i = 0; i < stats->state_num; i++) {

		if (len >= PAGE_SIZE)

			break;



		len += scnprintf(buf + len, PAGE_SIZE - len, "%9u: ",

				stats->freq_table[i]);

		len += sysfs_emit_at(buf, len, "%9u: ", stats->freq_table[i]);



		for (j = 0; j < stats->state_num; j++) {

			if (len >= PAGE_SIZE)
@@ -157,11 +155,11 @@ static ssize_t show_trans_table(struct cpufreq_policy *policy, char *buf) 
			else

				count = stats->trans_table[i * stats->max_state + j];



			len += scnprintf(buf + len, PAGE_SIZE - len, "%9u ", count);

			len += sysfs_emit_at(buf, len, "%9u ", count);

		}

		if (len >= PAGE_SIZE)

			break;

		len += scnprintf(buf + len, PAGE_SIZE - len, "\n");

		len += sysfs_emit_at(buf, len, "\n");

	}



	if (len >= PAGE_SIZE) {