Every function handling the mode within the regulator core uses an unsigned int for mode, except for regulator_mode_constrain. This patch changes the type of mode within regulator_mode_constrain which fixes several instances where we are passing pointers to unsigned ints then treating them as an int within this function. Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Mark Brown <broonie@kernel.org>