Eric Lee / smarc-ti-linux-kernel

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Commit 0a1e879d353f6f6e661d14c6a0e42dd19efbc504

Authored by Stefan Wahren
Committed by Rafael J. Wysocki
1 parent a0a22cf144
Exists in ti-lsk-linux-4.1.y and in 10 other branches dlt-processor-sdk-linux-03.00.00.04, processor-sdk-linux-02.00.01, smarc-ti-lsk-linux-4.1.y, smarct3x-processor-sdk-04.01.00.06, smarct3x-processor-sdk-linux-02.00.01, smarct3x-processor-sdk-linux-03.00.00.04, smarct4x-800-processor-sdk-linux-02.00.01, smarct4x-processor-sdk-04.01.00.06, smarct4x-processor-sdk-linux-02.00.01, smarct4x-processor-sdk-linux-03.00.00.04

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>

Showing 1 changed file with 5 additions and 0 deletions Side-by-side Diff

drivers/cpufreq/cpufreq-dt.c
Diff comments   View file @ 0a1e879
... ... @@ -58,6 +58,8 @@
58 58 old_freq = clk_get_rate(cpu_clk) / 1000;
59 59  
60 60 if (!IS_ERR(cpu_reg)) {
  61 + unsigned long opp_freq;
  62 +
61 63 rcu_read_lock();
62 64 opp = dev_pm_opp_find_freq_ceil(cpu_dev, &freq_Hz);
63 65 if (IS_ERR(opp)) {
64 66  
... ... @@ -67,9 +69,12 @@
67 69 return PTR_ERR(opp);
68 70 }
69 71 volt = dev_pm_opp_get_voltage(opp);
  72 + opp_freq = dev_pm_opp_get_freq(opp);
70 73 rcu_read_unlock();
71 74 tol = volt * priv->voltage_tolerance / 100;
72 75 volt_old = regulator_get_voltage(cpu_reg);
  76 + dev_dbg(cpu_dev, "Found OPP: %ld kHz, %ld uV\n",
  77 + opp_freq / 1000, volt);
73 78 }
74 79  
75 80 dev_dbg(cpu_dev, "%u MHz, %ld mV --> %u MHz, %ld mV\n",