linux-kernel - [PATCH v1] phy: qcom-ufs: Use iopoll.h readl_poll

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Date:   Fri, 21 Dec 2018 11:13:18 +0100
From:   Marc Gonzalez <marc.w.gonzalez@...e.fr>
To:     Kishon Vijay Abraham <kishon@...com>,
        Andy Gross <andy.gross@...aro.org>,
        David Brown <david.brown@...aro.org>,
        Yaniv Gardi <ygardi@...eaurora.org>
Cc:     Vivek Gautam <vivek.gautam@...eaurora.org>,
        Matt Wagantall <mattw@...eaurora.org>,
        Mitchel Humpherys <mitchelh@...eaurora.org>,
        Will Deacon <will.deacon@....com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Arnd Bergmann <arnd@...db.de>,
        MSM <linux-arm-msm@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH v1] phy: qcom-ufs: Use iopoll.h readl_poll_timeout macro

The private copy of readl_poll_timeout is no longer needed.
Use the implementation in iopoll.h instead.

Signed-off-by: Marc Gonzalez <marc.w.gonzalez@...e.fr>
---
 drivers/phy/qualcomm/phy-qcom-ufs-i.h | 19 +------------------
 1 file changed, 1 insertion(+), 18 deletions(-)

diff --git a/drivers/phy/qualcomm/phy-qcom-ufs-i.h b/drivers/phy/qualcomm/phy-qcom-ufs-i.h
index 681644e43248..f798fb64de94 100644
--- a/drivers/phy/qualcomm/phy-qcom-ufs-i.h
+++ b/drivers/phy/qualcomm/phy-qcom-ufs-i.h
@@ -23,24 +23,7 @@
 #include <linux/platform_device.h>
 #include <linux/io.h>
 #include <linux/delay.h>
-
-#define readl_poll_timeout(addr, val, cond, sleep_us, timeout_us) \
-({ \
-	ktime_t timeout = ktime_add_us(ktime_get(), timeout_us); \
-	might_sleep_if(timeout_us); \
-	for (;;) { \
-		(val) = readl(addr); \
-		if (cond) \
-			break; \
-		if (timeout_us && ktime_compare(ktime_get(), timeout) > 0) { \
-			(val) = readl(addr); \
-			break; \
-		} \
-		if (sleep_us) \
-			usleep_range(DIV_ROUND_UP(sleep_us, 4), sleep_us); \
-	} \
-	(cond) ? 0 : -ETIMEDOUT; \
-})
+#include <linux/iopoll.h>
 
 #define UFS_QCOM_PHY_CAL_ENTRY(reg, val)	\
 	{				\
-- 
2.17.1