diff options
| -rw-r--r-- | drivers/cpufreq/cpufreq_interactive.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/cpufreq/cpufreq_interactive.c b/drivers/cpufreq/cpufreq_interactive.c index 49f206e48aa3..6bbcc905bb3e 100644 --- a/drivers/cpufreq/cpufreq_interactive.c +++ b/drivers/cpufreq/cpufreq_interactive.c @@ -855,12 +855,18 @@ static ssize_t store_timer_rate(struct cpufreq_interactive_tunables *tunables, const char *buf, size_t count) { int ret; - unsigned long val; + unsigned long val, val_round; ret = strict_strtoul(buf, 0, &val); if (ret < 0) return ret; - tunables->timer_rate = val; + + val_round = jiffies_to_usecs(usecs_to_jiffies(val)); + if (val != val_round) + pr_warn("timer_rate not aligned to jiffy. Rounded up to %lu\n", + val_round); + + tunables->timer_rate = val_round; return count; } |