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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 4/9] net: phy: bcm84881: use phy_read_mmd_poll_timeout() to simplify the code
Date:   Sun, 22 Mar 2020 14:55:50 +0800
Message-Id: <20200322065555.17742-5-zhengdejin5@gmail.com>
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use phy_read_mmd_poll_timeout() to replace the poll codes for
simplify bcm84881_wait_init() function.

Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com>
---
v3 -> v4:
	- no changed
v2 -> v3:
	- adapt to it after modifying the parameter order of the
	  newly added function
v1 -> v2:
	- remove the handle of phy_read_mmd's return error.

 drivers/net/phy/bcm84881.c | 27 ++++-----------------------
 1 file changed, 4 insertions(+), 23 deletions(-)

diff --git a/drivers/net/phy/bcm84881.c b/drivers/net/phy/bcm84881.c
index 14d55a77eb28..b70be775909c 100644
--- a/drivers/net/phy/bcm84881.c
+++ b/drivers/net/phy/bcm84881.c
@@ -22,30 +22,11 @@ enum {
 
 static int bcm84881_wait_init(struct phy_device *phydev)
 {
-	unsigned int tries = 20;
-	int ret, val;
-
-	do {
-		val = phy_read_mmd(phydev, MDIO_MMD_PMAPMD, MDIO_CTRL1);
-		if (val < 0) {
-			ret = val;
-			break;
-		}
-		if (!(val & MDIO_CTRL1_RESET)) {
-			ret = 0;
-			break;
-		}
-		if (!--tries) {
-			ret = -ETIMEDOUT;
-			break;
-		}
-		msleep(100);
-	} while (1);
+	int val;
 
-	if (ret)
-		phydev_err(phydev, "%s failed: %d\n", __func__, ret);
-
-	return ret;
+	return phy_read_mmd_poll_timeout(phydev, MDIO_MMD_PMAPMD, MDIO_CTRL1,
+					 val, !(val & MDIO_CTRL1_RESET),
+					 100000, 2000000);
 }
 
 static int bcm84881_config_init(struct phy_device *phydev)
-- 
2.25.0