This patch is to fix clock setting code for different controller
versions. Two of HW changes after vendor version 2.2 are removing
PEREN/HCKEN/IPGEN bits in system control register, and adding SD
clock stable bit in present state register. This patch cleans up
related code too.
Signed-off-by: NYangbo Lu <yangbo.lu@nxp.com>
Link: https://lore.kernel.org/r/20200108040713.38888-2-yangbo.lu@nxp.comSigned-off-by: NUlf Hansson <ulf.hansson@linaro.org>