diff options
| author | Andrew Lunn <andrew@lunn.ch> | 2023-01-09 16:30:51 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-01-10 15:53:37 -0800 |
| commit | 743a19e38d02fb6036dbf621edcf1cbb38e2f9e0 (patch) | |
| tree | 67b6261aeef9685815c9a66c8a0d03c1ee264a99 /drivers/net/dsa/mv88e6xxx/phy.c | |
| parent | 1d914d51f03cbbbda3c34c675e49392ce60c1c33 (diff) | |
net: dsa: mv88e6xxx: Separate C22 and C45 transactions
The global2 SMI MDIO bus driver can perform both C22 and C45
transfers. Create separate functions for each and register the C45
versions using the new API calls where appropriate. Update the SERDES
code to make use of these new accessors.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/dsa/mv88e6xxx/phy.c')
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx/phy.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/phy.c b/drivers/net/dsa/mv88e6xxx/phy.c index 252b5b3a3efe..8bb88b3d900d 100644 --- a/drivers/net/dsa/mv88e6xxx/phy.c +++ b/drivers/net/dsa/mv88e6xxx/phy.c @@ -55,6 +55,38 @@ int mv88e6xxx_phy_write(struct mv88e6xxx_chip *chip, int phy, int reg, u16 val) return chip->info->ops->phy_write(chip, bus, addr, reg, val); } +int mv88e6xxx_phy_read_c45(struct mv88e6xxx_chip *chip, int phy, int devad, + int reg, u16 *val) +{ + int addr = phy; /* PHY devices addresses start at 0x0 */ + struct mii_bus *bus; + + bus = mv88e6xxx_default_mdio_bus(chip); + if (!bus) + return -EOPNOTSUPP; + + if (!chip->info->ops->phy_read_c45) + return -EOPNOTSUPP; + + return chip->info->ops->phy_read_c45(chip, bus, addr, devad, reg, val); +} + +int mv88e6xxx_phy_write_c45(struct mv88e6xxx_chip *chip, int phy, int devad, + int reg, u16 val) +{ + int addr = phy; /* PHY devices addresses start at 0x0 */ + struct mii_bus *bus; + + bus = mv88e6xxx_default_mdio_bus(chip); + if (!bus) + return -EOPNOTSUPP; + + if (!chip->info->ops->phy_write_c45) + return -EOPNOTSUPP; + + return chip->info->ops->phy_write_c45(chip, bus, addr, devad, reg, val); +} + static int mv88e6xxx_phy_page_get(struct mv88e6xxx_chip *chip, int phy, u8 page) { return mv88e6xxx_phy_write(chip, phy, MV88E6XXX_PHY_PAGE, page); |