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net: phy: smsc: use phy_read_poll_timeout() to simplify the code

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use phy_read_poll_timeout() to replace the poll codes for
simplify lan87xx_read_status() function.

Suggested-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dejin Zheng 2020-03-23 23:05:59 +08:00 committed by David S. Miller
parent 745a237c18
commit 7ae7ad2f11
1 changed files with 5 additions and 11 deletions
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16
drivers/net/phy/smsc.c
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@ -112,8 +112,6 @@ static int lan87xx_read_status(struct phy_device *phydev)
int err = genphy_read_status(phydev);
if (!phydev->link && priv->energy_enable) {
int i;
/* Disable EDPD to wake up PHY */
int rc = phy_read(phydev, MII_LAN83C185_CTRL_STATUS);
if (rc < 0)
@ -125,15 +123,11 @@ static int lan87xx_read_status(struct phy_device *phydev)
return rc;
/* Wait max 640 ms to detect energy */
for (i = 0; i < 64; i++) {
/* Sleep to allow link test pulses to be sent */
msleep(10);
rc = phy_read(phydev, MII_LAN83C185_CTRL_STATUS);
if (rc < 0)
return rc;
if (rc & MII_LAN83C185_ENERGYON)
break;
}
phy_read_poll_timeout(phydev, MII_LAN83C185_CTRL_STATUS, rc,
rc & MII_LAN83C185_ENERGYON, 10000,
640000, true);
if (rc < 0)
return rc;
/* Re-enable EDPD */
rc = phy_read(phydev, MII_LAN83C185_CTRL_STATUS);