tree 2dd612083c7b3c680888813713706cf98ec22501
parent 93625d52e7a74492416f77fed945ba34e0ae0c18
author Pi-Cheng Chen <pi-cheng.chen@linaro.org> 1448785897 +0800
committer Rafael J. Wysocki <rafael.j.wysocki@intel.com> 1449703653 +0100

cpufreq: mt8173: check return value of regulator_get_voltage() call

Sometimes regulator_get_voltage() call returns negative values for
reasons(e.g. underlying I2C bus timeout). Add check for the return
values and fail out early.

Signed-off-by: Pi-Cheng Chen <pi-cheng.chen@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>