diff options
| author | Viresh Kumar <viresh.kumar@linaro.org> | 2015-09-02 14:36:50 +0530 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2015-11-02 11:11:11 +0800 |
| commit | 32f33efff0ecba240db5b13a54fcd863eb577515 (patch) | |
| tree | d5539d22c53ce39ffff1f1b34420d1b410461625 | |
| parent | 805fe882b2e78532d4202d74d4e7314c0ba6ee42 (diff) | |
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: 045ee45c4ff2 ("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>
(cherry picked from commit a2022001cebd0825b96aa0f3345ea3ad44ae79d4)
Signed-off-by: Alex Shi <alex.shi@linaro.org>
| -rw-r--r-- | drivers/cpufreq/cpufreq-dt.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c index b1131cf89757..3b64c203bf99 100644 --- a/drivers/cpufreq/cpufreq-dt.c +++ b/drivers/cpufreq/cpufreq-dt.c @@ -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; |