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| author | Stefan Wahren <stefan.wahren@i2se.com> | 2014-10-18 00:09:48 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-11-06 01:27:32 +0100 |
| commit | 0a1e879d353f6f6e661d14c6a0e42dd19efbc504 (patch) | |
| tree | 5c0fda82791730f5e6d6ad49979ad9b5cbd13990 /drivers | |
| parent | cpufreq: Loongson1: Add cpufreq driver for Loongson1B (diff) | |
| download | linux-0a1e879d353f6f6e661d14c6a0e42dd19efbc504.tar.xz linux-0a1e879d353f6f6e661d14c6a0e42dd19efbc504.zip | |
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>
Diffstat (limited to 'drivers')
| -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 f657c571b18e..725fb1d86578 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", |