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Commit 0a1e879d authored by Stefan Wahren's avatar Stefan Wahren Committed by Rafael J. Wysocki
Browse files

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: default avatarStefan Wahren <stefan.wahren@i2se.com>
Acked-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent a0a22cf1

drivers/cpufreq/cpufreq-dt.c

+5 −0
Original line number Diff line number Diff line
@@ -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",