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Commit a2022001 authored by Viresh Kumar's avatar Viresh Kumar Committed by Rafael J. Wysocki
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cpufreq: dt: Tolerance applies on both sides of target voltage 



Tolerance applies on both sides of the target voltage, i.e. both min and
max sides. But while checking if a voltage is supported by the regulator
or not, we haven't taken care of tolerance on the lower side. Fix that.

Cc: Lucas Stach <l.stach@pengutronix.de>
Fixes: 045ee45c ("cpufreq: cpufreq-dt: disable unsupported OPPs")
Signed-off-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: default avatarLucas Stach <l.stach@pengutronix.de>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 8bc86284

drivers/cpufreq/cpufreq-dt.c

+2 −1
Original line number Diff line number Diff line
@@ -303,7 +303,8 @@ static int cpufreq_init(struct cpufreq_policy *policy) 
			rcu_read_unlock();



			tol_uV = opp_uV * priv->voltage_tolerance / 100;

			if (regulator_is_supported_voltage(cpu_reg, opp_uV,

			if (regulator_is_supported_voltage(cpu_reg,

							   opp_uV - tol_uV,

							   opp_uV + tol_uV)) {

				if (opp_uV < min_uV)

					min_uV = opp_uV;