Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
From:   Dejin Zheng <zhengdejin5@gmail.com>
To:     andrew@lunn.ch, f.fainelli@gmail.com, hkallweit1@gmail.com,
        linux@armlinux.org.uk, davem@davemloft.net, corbet@lwn.net,
        tglx@linutronix.de, gregkh@linuxfoundation.org,
        allison@lohutok.net, mchehab+samsung@kernel.org,
        netdev@vger.kernel.org
Cc:     linux-kernel@vger.kernel.org, Dejin Zheng <zhengdejin5@gmail.com>
Subject: [PATCH net-next v7 10/10] net: phy: tja11xx: use phy_read_poll_timeout() to simplify the code
Date:   Mon, 23 Mar 2020 23:06:00 +0800
Message-Id: <20200323150600.21382-11-zhengdejin5@gmail.com>
In-Reply-To: <20200323150600.21382-1-zhengdejin5@gmail.com>
References: <20200323150600.21382-1-zhengdejin5@gmail.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

use phy_read_poll_timeout() to replace the poll codes for
simplify tja11xx_check() function.

Suggested-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com>
---
v6 -> v7:
	- adapt to a newly added parameter sleep_before_read.
v5 -> v6:
	- no changed.
v4 -> v5:
	- no changed.
v3 -> v4:
	- add this patch by Andrew's suggestion. Thanks Andrew!

 drivers/net/phy/nxp-tja11xx.c | 16 +++-------------
 1 file changed, 3 insertions(+), 13 deletions(-)

diff --git a/drivers/net/phy/nxp-tja11xx.c b/drivers/net/phy/nxp-tja11xx.c
index b705d0bd798b..47caae770ffc 100644
--- a/drivers/net/phy/nxp-tja11xx.c
+++ b/drivers/net/phy/nxp-tja11xx.c
@@ -72,20 +72,10 @@ static struct tja11xx_phy_stats tja11xx_hw_stats[] = {
 
 static int tja11xx_check(struct phy_device *phydev, u8 reg, u16 mask, u16 set)
 {
-	int i, ret;
-
-	for (i = 0; i < 200; i++) {
-		ret = phy_read(phydev, reg);
-		if (ret < 0)
-			return ret;
-
-		if ((ret & mask) == set)
-			return 0;
-
-		usleep_range(100, 150);
-	}
+	int val;
 
-	return -ETIMEDOUT;
+	return phy_read_poll_timeout(phydev, reg, val, (val & mask) == set,
+				     150, 30000, false);
 }
 
 static int phy_modify_check(struct phy_device *phydev, u8 reg,
-- 
2.25.0