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Subject[PATCH net-next v3 2/7] iopoll: redefined readx_poll_timeout macro to simplify the code
Date
redefined readx_poll_timeout macro by read_poll_timeout to
simplify the code.

Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com>
---
v2 -> v3:
no changed
v1 -> v2:
no changed

include/linux/iopoll.h | 20 +-------------------
1 file changed, 1 insertion(+), 19 deletions(-)

diff --git a/include/linux/iopoll.h b/include/linux/iopoll.h
index 7d44a2e20267..29c016cd6249 100644
--- a/include/linux/iopoll.h
+++ b/include/linux/iopoll.h
@@ -72,25 +72,7 @@
* macros defined below rather than this macro directly.
*/
#define readx_poll_timeout(op, addr, val, cond, sleep_us, timeout_us) \
-({ \
- u64 __timeout_us = (timeout_us); \
- unsigned long __sleep_us = (sleep_us); \
- ktime_t __timeout = ktime_add_us(ktime_get(), __timeout_us); \
- might_sleep_if((__sleep_us) != 0); \
- for (;;) { \
- (val) = op(addr); \
- if (cond) \
- break; \
- if (__timeout_us && \
- ktime_compare(ktime_get(), __timeout) > 0) { \
- (val) = op(addr); \
- break; \
- } \
- if (__sleep_us) \
- usleep_range((__sleep_us >> 2) + 1, __sleep_us); \
- } \
- (cond) ? 0 : -ETIMEDOUT; \
-})
+ read_poll_timeout(op, val, cond, sleep_us, timeout_us, addr)

/**
* readx_poll_timeout_atomic - Periodically poll an address until a condition is met or a timeout occurs
--
2.25.0
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