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net: phy: Support set_loopback override

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phy_read_status and various other PHY functions support PHY specific
overriding of driver functions by using a PHY specific pointer to the
PHY driver. Add support of PHY specific override to phy_loopback too.

Signed-off-by: Gerhard Engleder <gerhard@engleder-embedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Gerhard Engleder 2021-08-19 15:11:52 +02:00 committed by David S. Miller
parent 600003a364
commit 4ed311b08a
1 changed files with 4 additions and 5 deletions
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9
drivers/net/phy/phy_device.c
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@ -1821,11 +1821,10 @@ EXPORT_SYMBOL(phy_resume);
int phy_loopback(struct phy_device *phydev, bool enable)
{
struct phy_driver *phydrv = to_phy_driver(phydev->mdio.dev.driver);
int ret = 0;
if (!phydrv)
return -ENODEV;
if (!phydev->drv)
return -EIO;
mutex_lock(&phydev->lock);
@ -1839,8 +1838,8 @@ int phy_loopback(struct phy_device *phydev, bool enable)
goto out;
}
if (phydrv->set_loopback)
ret = phydrv->set_loopback(phydev, enable);
if (phydev->drv->set_loopback)
ret = phydev->drv->set_loopback(phydev, enable);
else
ret = genphy_loopback(phydev, enable);