[ Upstream commit 5782017cc4d0c8f3425d55b893675bb8a20c33e9 ] Negative -EINVAL was intended instead of positive EINVAL. Fixes: 6a23afad443a ("phy: phy-mtk-dp: Add driver for DP phy") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Chen-Yu Tsai <wenst@chromium.org> Link: https://lore.kernel.org/r/3c699e00-2883-40d9-92c3-0da1dc38fdd4@moroto.mountain Signed-off-by: Vinod Koul <vkoul@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>