Rework the clock code so that the bypass register is only read when there is actually a bypass functionality. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Link: https://lore.kernel.org/r/20210530164923.18134-4-paul@crapouillou.net Tested-by: 周琰杰 (Zhou Yanjie)<zhouyanjie@wanyeetech.com> # on CU1830-neo/X1830 Signed-off-by: Stephen Boyd <sboyd@kernel.org>