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| author | Wong Vee Khee <vee.khee.wong@linux.intel.com> | 2021-03-23 17:46:40 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-03-24 23:20:07 +0100 |
| commit | 0ef25ed104ac17fa0586fbb076f24a5e8940b966 (patch) | |
| tree | 7c41681e5cd419a4d4ea70f12a60ef66c6d3c86e | |
| parent | rhashtable: avoid -Wrestrict warning on overlapping sprintf output (diff) | |
| download | linux-0ef25ed104ac17fa0586fbb076f24a5e8940b966.tar.xz linux-0ef25ed104ac17fa0586fbb076f24a5e8940b966.zip | |
net: phy: add genphy_c45_loopback
Add generic code to enable C45 PHY loopback into the common phy-c45.c
file. This will allow C45 PHY drivers aceess this by setting
.set_loopback.
Suggested-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Wong Vee Khee <vee.khee.wong@linux.intel.com>
Reviewed-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/phy/phy-c45.c | 8 | ||||
| -rw-r--r-- | include/linux/phy.h | 1 |
2 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/phy/phy-c45.c b/drivers/net/phy/phy-c45.c index 077f2929c45e..91e3acb9e397 100644 --- a/drivers/net/phy/phy-c45.c +++ b/drivers/net/phy/phy-c45.c @@ -560,6 +560,14 @@ int gen10g_config_aneg(struct phy_device *phydev) } EXPORT_SYMBOL_GPL(gen10g_config_aneg); +int genphy_c45_loopback(struct phy_device *phydev, bool enable) +{ + return phy_modify_mmd(phydev, MDIO_MMD_PCS, MDIO_CTRL1, + MDIO_PCS_CTRL1_LOOPBACK, + enable ? MDIO_PCS_CTRL1_LOOPBACK : 0); +} +EXPORT_SYMBOL_GPL(genphy_c45_loopback); + struct phy_driver genphy_c45_driver = { .phy_id = 0xffffffff, .phy_id_mask = 0xffffffff, diff --git a/include/linux/phy.h b/include/linux/phy.h index 1a12e4436b5b..8e2cf84b2318 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -1532,6 +1532,7 @@ int genphy_c45_read_mdix(struct phy_device *phydev); int genphy_c45_pma_read_abilities(struct phy_device *phydev); int genphy_c45_read_status(struct phy_device *phydev); int genphy_c45_config_aneg(struct phy_device *phydev); +int genphy_c45_loopback(struct phy_device *phydev, bool enable); /* Generic C45 PHY driver */ extern struct phy_driver genphy_c45_driver; |