Use min3 helper to calculate the minimum value of 3 variables.
Signed-off-by: NKarthikeyan Ramasubramanian <kramasub@codeaurora.org>
Reviewed-by: NMatthias Kaehlcke <mka@chromium.org>
Reviewed-by: NStephen Boyd <swboyd@chromium.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>