Add readl poll API with sleep and timeout support.
This change is referenced from Linux from below commit:
commit <5f5323a14cad19323060a8cbf9d96f2280a462dd> ("iopoll:
introduce read_poll_timeout macro")
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
2.6 KiB
2.6 KiB