Messages in this thread Patch in this message | | | From | Dejin Zheng <> | Subject | [PATCH net-next v3 2/7] iopoll: redefined readx_poll_timeout macro to simplify the code | Date | Sun, 22 Mar 2020 10:48:29 +0800 |
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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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