[ Upstream commit f8794feaf65cdc97767604cf864775d20b97f397 ] Since commit65f037e8e9("drm/etnaviv: add support for slave interface clock") the reg clock is enabled before the bus clock and we need to undo its enablement on error. Fixes:65f037e8e9("drm/etnaviv: add support for slave interface clock") Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Sasha Levin <sashal@kernel.org>