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From:   Dejin Zheng <zhengdejin5@gmail.com>
To:     andrew@lunn.ch, f.fainelli@gmail.com, hkallweit1@gmail.com,
        linux@armlinux.org.uk, davem@davemloft.net,
        gregkh@linuxfoundation.org, broonie@kernel.org,
        alexios.zavras@intel.com, tglx@linutronix.de,
        mchehab+samsung@kernel.org, netdev@vger.kernel.org
Cc:     linux-kernel@vger.kernel.org, Dejin Zheng <zhengdejin5@gmail.com>
Subject: [PATCH net-next v4 2/9] iopoll: redefined readx_poll_timeout macro to simplify the code
Date:   Sun, 22 Mar 2020 14:55:48 +0800
Message-Id: <20200322065555.17742-3-zhengdejin5@gmail.com>
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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>
---
v3 -> v4:
	- no changed
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