| Message ID | 1468441527-23534-4-git-send-email-smuckle@linaro.org |
|---|---|
| State | Accepted |
| Commit | 5b6667c76d39e325d3c05b1f7e40f8a0e4bd6681 |
| Headers | show |
diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c index 11c9a078e0fd..297e9128fe9f 100644 --- a/drivers/cpufreq/acpi-cpufreq.c +++ b/drivers/cpufreq/acpi-cpufreq.c @@ -473,7 +473,10 @@ unsigned int acpi_cpufreq_fast_switch(struct cpufreq_policy *policy, /* * Find the closest frequency above target_freq. */ - index = cpufreq_table_find_index_dl(policy, target_freq); + if (policy->cached_target_freq == target_freq) + index = policy->cached_resolved_idx; + else + index = cpufreq_table_find_index_dl(policy, target_freq); entry = &policy->freq_table[index]; next_freq = entry->frequency;
A call to cpufreq_driver_resolve_freq will cache the mapping from the desired target frequency to the frequency table index. If there is a mapping for the desired target frequency then use it instead of looking up the mapping again. Signed-off-by: Steve Muckle <smuckle@linaro.org> --- drivers/cpufreq/acpi-cpufreq.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) -- 2.7.3 -- To unsubscribe from this list: send the line "unsubscribe linux-pm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html