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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: 045ee45c4f ("cpufreq: cpufreq-dt: disable unsupported OPPs")
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
hifive-unleashed-5.1
Viresh Kumar 2015-09-02 14:36:50 +05:30 committed by Rafael J. Wysocki
parent 8bc8628439
commit a2022001ce
1 changed files with 2 additions and 1 deletions
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3
drivers/cpufreq/cpufreq-dt.c
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@ -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;