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iopoll: Add readl_poll_sleep_timeout 

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>
This commit is contained in:
Jagan Teki 2020-05-02 12:45:03 +05:30
parent c094e219a8
commit ce786ae391
1 changed files with 6 additions and 0 deletions
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6
include/linux/iopoll.h
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@ -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)