diff options
| author |   Dejin Zheng <zhengdejin5@gmail.com> | 2020-03-23 23:05:52 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2020-03-23 22:00:02 -0700 |
| commit | eaa6b01024a74ab5f3064f17dd88596284f497c4 (patch) | |
| tree | 380df6b4f0e9cf94657d21caf123e41369c5c16e /include | |
| parent | iopoll: introduce read_poll_timeout macro (diff) | |
| download | wireguard-linux-eaa6b01024a74ab5f3064f17dd88596284f497c4.tar.xz wireguard-linux-eaa6b01024a74ab5f3064f17dd88596284f497c4.zip | |
iopoll: redefined readx_poll_timeout macro to simplify the code
redefined readx_poll_timeout macro by read_poll_timeout to
simplify the code.
Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/iopoll.h | 20 |
1 files changed, 1 insertions, 19 deletions
diff --git a/include/linux/iopoll.h b/include/linux/iopoll.h index 70f89b389648..cb20c733b15a 100644 --- a/include/linux/iopoll.h +++ b/include/linux/iopoll.h @@ -76,25 +76,7 @@ * 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, false, addr) /** * readx_poll_timeout_atomic - Periodically poll an address until a condition is met or a timeout occurs |