diff options
| author | Mark Brown <broonie@kernel.org> | 2015-10-12 18:09:27 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-10-12 18:09:27 +0100 |
| commit | 79828b4fa835f73cdaf4bffa48696abdcbea9d02 (patch) | |
| tree | 5e0fa7156acb75ba603022bc807df8f2fedb97a8 /drivers/cpufreq/speedstep-lib.c | |
| parent | 721b51fcf91898299d96f4b72cb9434cda29dce6 (diff) | |
| parent | 8c1a9d6323abf0fb1e5dad96cf3f1c783505ea5a (diff) | |
Merge remote-tracking branch 'asoc/fix/rt5645' into asoc-fix-rt5645
Diffstat (limited to 'drivers/cpufreq/speedstep-lib.c')
| -rw-r--r-- | drivers/cpufreq/speedstep-lib.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/cpufreq/speedstep-lib.c b/drivers/cpufreq/speedstep-lib.c index 4ab7a2156672..15d3214aaa00 100644 --- a/drivers/cpufreq/speedstep-lib.c +++ b/drivers/cpufreq/speedstep-lib.c @@ -386,7 +386,7 @@ unsigned int speedstep_get_freqs(enum speedstep_processor processor, unsigned int prev_speed; unsigned int ret = 0; unsigned long flags; - struct timeval tv1, tv2; + ktime_t tv1, tv2; if ((!processor) || (!low_speed) || (!high_speed) || (!set_state)) return -EINVAL; @@ -415,14 +415,14 @@ unsigned int speedstep_get_freqs(enum speedstep_processor processor, /* start latency measurement */ if (transition_latency) - do_gettimeofday(&tv1); + tv1 = ktime_get(); /* switch to high state */ set_state(SPEEDSTEP_HIGH); /* end latency measurement */ if (transition_latency) - do_gettimeofday(&tv2); + tv2 = ktime_get(); *high_speed = speedstep_get_frequency(processor); if (!*high_speed) { @@ -442,8 +442,7 @@ unsigned int speedstep_get_freqs(enum speedstep_processor processor, set_state(SPEEDSTEP_LOW); if (transition_latency) { - *transition_latency = (tv2.tv_sec - tv1.tv_sec) * USEC_PER_SEC + - tv2.tv_usec - tv1.tv_usec; + *transition_latency = ktime_to_us(ktime_sub(tv2, tv1)); pr_debug("transition latency is %u uSec\n", *transition_latency); /* convert uSec to nSec and add 20% for safety reasons */ |