From: Stefan Wahren Date: Fri, 17 Oct 2014 22:09:48 +0000 (+0000) Subject: cpufreq: cpufreq-dt: Improve debug about matching OPP X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=0a1e879d353f6f6e661d14c6a0e42dd19efbc504;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git 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 Acked-by: Viresh Kumar Signed-off-by: Rafael J. Wysocki --- 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",