[PATCH net-next 1/2] net: phy: Support set_loopback override
From: Gerhard Engleder <hidden>
Date: 2021-08-18 12:29:53
Subsystem:
ethernet phy library, networking drivers, the rest · Maintainers:
Andrew Lunn, Heiner Kallweit, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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 <redacted> --- drivers/net/phy/phy_device.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 107aa6d7bc6b..ba5ad86ec826 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c@@ -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);
--
2.20.1