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 --- Changes for v3: - add readx_poll_sleep_timeout
include/linux/iopoll.h | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/include/linux/iopoll.h b/include/linux/iopoll.h index 76d2f951c1..30cdea0cdc 100644 --- a/include/linux/iopoll.h +++ b/include/linux/iopoll.h @@ -43,6 +43,12 @@ (cond) ? 0 : -ETIMEDOUT; \ })
+#define readx_poll_sleep_timeout(op, addr, val, cond, sleep_us, timeout_us) \ + read_poll_timeout(op, addr, val, cond, sleep_us, timeout_us) + +#define readl_poll_sleep_timeout(addr, val, cond, sleep_us, timeout_us) \ + readx_poll_sleep_timeout(readl, addr, val, cond, sleep_us, timeout_us) + #define readx_poll_timeout(op, addr, val, cond, timeout_us) \ read_poll_timeout(op, addr, val, cond, false, timeout_us)