diff options
| author | Stefan Wahren <stefan.wahren@i2se.com> | 2014-10-17 22:09:48 +0000 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2015-10-28 10:59:13 +0800 |
| commit | a05aa9b13f6ecb7225030504a40fea57dc1388db (patch) | |
| tree | 47a2656ffbb7a7a5f4dc4bc78f32e15d4e6df098 | |
| parent | 1ddd866bff4c9ad894f5c1e27f47e75707c853a5 (diff) | |
cpufreq: cpufreq-dt: Improve debug about matching OPP
During test of new DT OPPs it's very helpful to print the matching
OPP in case of frequency change. So it will be easier to find frequency
rounding issues in the dts file.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
(cherry picked from commit 0a1e879d353f6f6e661d14c6a0e42dd19efbc504)
Signed-off-by: Alex Shi <alex.shi@linaro.org>
| -rw-r--r-- | drivers/cpufreq/cpufreq-dt.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c index e86a394cb489..c3528a05cdb6 100644 --- a/drivers/cpufreq/cpufreq-dt.c +++ b/drivers/cpufreq/cpufreq-dt.c @@ -58,6 +58,8 @@ static int set_target(struct cpufreq_policy *policy, unsigned int index) old_freq = clk_get_rate(cpu_clk) / 1000; if (!IS_ERR(cpu_reg)) { + unsigned long opp_freq; + rcu_read_lock(); opp = dev_pm_opp_find_freq_ceil(cpu_dev, &freq_Hz); if (IS_ERR(opp)) { @@ -67,9 +69,12 @@ static int set_target(struct cpufreq_policy *policy, unsigned int index) return PTR_ERR(opp); } volt = dev_pm_opp_get_voltage(opp); + opp_freq = dev_pm_opp_get_freq(opp); rcu_read_unlock(); tol = volt * priv->voltage_tolerance / 100; volt_old = regulator_get_voltage(cpu_reg); + dev_dbg(cpu_dev, "Found OPP: %ld kHz, %ld uV\n", + opp_freq / 1000, volt); } dev_dbg(cpu_dev, "%u MHz, %ld mV --> %u MHz, %ld mV\n", |