[PATCH net-next 7/7] net: phy: use phy_read_poll_timeout() to simplify the code

[Dejin Zheng]

use phy_read_poll_timeout() to replace the poll codes for
simplify the code in phy_poll_reset() function.

Signed-off-by: Dejin Zheng <zhengdejin5@xxxxxxxxx>
---
 drivers/net/phy/phy_device.c | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index a585faf8b844..bdef427593c9 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -1059,23 +1059,17 @@ EXPORT_SYMBOL(phy_disconnect);
 static int phy_poll_reset(struct phy_device *phydev)
 {
 	/* Poll until the reset bit clears (50ms per retry == 0.6 sec) */
-	unsigned int retries = 12;
-	int ret;
-
-	do {
-		msleep(50);
-		ret = phy_read(phydev, MII_BMCR);
-		if (ret < 0)
-			return ret;
-	} while (ret & BMCR_RESET && --retries);
-	if (ret & BMCR_RESET)
-		return -ETIMEDOUT;
+	int ret, val;
 
+	ret = phy_read_poll_timeout(val, val < 0 || !(val & BMCR_RESET),
+				    50000, 600000, phydev, MII_BMCR);
+	if (val < 0)
+		ret = val;
 	/* Some chips (smsc911x) may still need up to another 1ms after the
 	 * BMCR_RESET bit is cleared before they are usable.
 	 */
 	msleep(1);
-	return 0;
+	return ret;
 }
 
 int phy_init_hw(struct phy_device *phydev)
-- 
2.25.0