commit 622fecbccfe86a8052dea6b512d3821dcce29994 upstream.

_get_optimal_vdd_voltage call provides new_supply_vbb->u_volt
as the reference voltage while it should be really new_supply_vdd->u_volt.

Cc: 4.16+ <stable@vger.kernel.org> # v4.16+
Fixes: 9a835fa6 ("PM / OPP: Add ti-opp-supply driver")
Signed-off-by: NKeerthy <j-keerthy@ti.com>
Acked-by: NDave Gerlach <d-gerlach@ti.com>
Signed-off-by: NViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>