korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2025-01-22 22:04:47 +08:00
Code Issues Packages Projects Releases Wiki Activity

cpufreq: intel_pstate: use match_string() helper

Browse Source 
match_string() returns the index of an array for a matching string,
which can be used instead of open coded variant.

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Xie Yisheng 2018-05-31 19:11:15 +08:00 committed by Rafael J. Wysocki
parent 021c91791a
commit 1111b7836c
1 changed files with 6 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/cpufreq/intel_pstate.c
View File

@ -657,21 +657,18 @@ static ssize_t store_energy_performance_preference(
{
struct cpudata *cpu_data = all_cpu_data[policy->cpu];
char str_preference[21];
int ret, i = 0;
int ret;
ret = sscanf(buf, "%20s", str_preference);
if (ret != 1)
return -EINVAL;
while (energy_perf_strings[i] != NULL) {
if (!strcmp(str_preference, energy_perf_strings[i])) {
intel_pstate_set_energy_pref_index(cpu_data, i);
return count;
}
++i;
}
ret = match_string(energy_perf_strings, -1, str_preference);
if (ret < 0)
return ret;
return -EINVAL;
intel_pstate_set_energy_pref_index(cpu_data, ret);
return count;
}
static ssize_t show_energy_performance_preference(