With HSMMC_HAS_UPDATED_RESET reset of cmd/data (SRC/SRD) can be to
quick and can be missed resulting in wait for software timeout.
With cpu_relax timeout can be long and unpredictable. Use udelay
instead for timeout implementation.
Reported-by: NYuzheng Ma <mayuzheng@kedacom.com>
Tested-by: NYuzheng Ma <mayuzheng@kedacom.com>
Reviewed-by: NHein Tibosch <hein_tibosch@yahoo.es>
Signed-off-by: NJianpeng Ma <majianpeng@gmail.com>
Signed-off-by: NBalaji T K <balajitk@ti.com>
Signed-off-by: NChris Ball <cjb@laptop.org>