openkylin
/
platform_kernel-5.15
mirror of https://gitee.com/openkylin/platform_kernel-5.15.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

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>
This commit is contained in:
Wong Vee Khee 2021-03-24 00:46:40 +08:00 committed by David S. Miller
parent 4adec7f81d
commit 0ef25ed104
2 changed files with 9 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/net/phy/phy-c45.c
View File

@ -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,

1
include/linux/phy.h
View File

@ -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;