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-rw-r--r--tools/power/cpupower/man/cpupower-set.19
-rw-r--r--tools/power/cpupower/utils/helpers/sysfs.c35
2 files changed, 2 insertions, 42 deletions
diff --git a/tools/power/cpupower/man/cpupower-set.1 b/tools/power/cpupower/man/cpupower-set.1
index c4954a9fe4e..9dbd536518a 100644
--- a/tools/power/cpupower/man/cpupower-set.1
+++ b/tools/power/cpupower/man/cpupower-set.1
@@ -85,15 +85,6 @@ Possible values are:
savings
.RE
-sched_mc_power_savings is dependent upon SCHED_MC, which is
-itself architecture dependent.
-
-sched_smt_power_savings is dependent upon SCHED_SMT, which
-is itself architecture dependent.
-
-The two files are independent of each other. It is possible
-that one file may be present without the other.
-
.SH "SEE ALSO"
cpupower-info(1), cpupower-monitor(1), powertop(1)
.PP
diff --git a/tools/power/cpupower/utils/helpers/sysfs.c b/tools/power/cpupower/utils/helpers/sysfs.c
index c6343024a61..96e28c124b5 100644
--- a/tools/power/cpupower/utils/helpers/sysfs.c
+++ b/tools/power/cpupower/utils/helpers/sysfs.c
@@ -362,22 +362,7 @@ char *sysfs_get_cpuidle_driver(void)
*/
int sysfs_get_sched(const char *smt_mc)
{
- unsigned long value;
- char linebuf[MAX_LINE_LEN];
- char *endp;
- char path[SYSFS_PATH_MAX];
-
- if (strcmp("mc", smt_mc) && strcmp("smt", smt_mc))
- return -EINVAL;
-
- snprintf(path, sizeof(path),
- PATH_TO_CPU "sched_%s_power_savings", smt_mc);
- if (sysfs_read_file(path, linebuf, MAX_LINE_LEN) == 0)
- return -1;
- value = strtoul(linebuf, &endp, 0);
- if (endp == linebuf || errno == ERANGE)
- return -1;
- return value;
+ return -ENODEV;
}
/*
@@ -388,21 +373,5 @@ int sysfs_get_sched(const char *smt_mc)
*/
int sysfs_set_sched(const char *smt_mc, int val)
{
- char linebuf[MAX_LINE_LEN];
- char path[SYSFS_PATH_MAX];
- struct stat statbuf;
-
- if (strcmp("mc", smt_mc) && strcmp("smt", smt_mc))
- return -EINVAL;
-
- snprintf(path, sizeof(path),
- PATH_TO_CPU "sched_%s_power_savings", smt_mc);
- sprintf(linebuf, "%d", val);
-
- if (stat(path, &statbuf) != 0)
- return -ENODEV;
-
- if (sysfs_write_file(path, linebuf, MAX_LINE_LEN) == 0)
- return -1;
- return 0;
+ return -ENODEV;
}