net: phy: bcm84881: use phy_read_mmd_poll_timeout() to simplify the code

use phy_read_mmd_poll_timeout() to replace the poll codes for
simplify bcm84881_wait_init() function.

Reviewed-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 23:05:54 +08:00 committed by David S. Miller
parent bd971ff0b7
commit 331c7372bd

View file

@ -22,30 +22,11 @@ enum {
static int bcm84881_wait_init(struct phy_device *phydev)
{
unsigned int tries = 20;
int ret, val;
int 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);
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, false);
}
static int bcm84881_config_init(struct phy_device *phydev)