diff options
| author | Steffen Bätz <steffen@innosonix.de> | 2024-05-08 09:29:44 +0200 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2024-05-09 11:48:20 +0200 |
| commit | 6e7ffa180a532b6fe2e22aa6182e02ce988a43aa (patch) | |
| tree | 31a9b432b44f53aee4291bb69199e3dfae6baaf9 | |
| parent | f39bf3cf08a49e7d20c44bc8bc8e390fea69959a (diff) | |
| download | linux-6e7ffa180a532b6fe2e22aa6182e02ce988a43aa.tar.gz | |
net: dsa: mv88e6xxx: read cmode on mv88e6320/21 serdes only ports
On the mv88e6320 and 6321 switch family, port 0/1 are serdes only ports.
Modified the mv88e6352_get_port4_serdes_cmode function to pass a port
number since the register set of the 6352 is equal on the 6320/21.
Signed-off-by: Steffen Bätz <steffen@innosonix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20240508072944.54880-3-steffen@innosonix.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx/chip.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index 61c0070c7610bd..0918bd6fa81ddf 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -637,12 +637,12 @@ static void mv88e6351_phylink_get_caps(struct mv88e6xxx_chip *chip, int port, MAC_1000FD; } -static int mv88e6352_get_port4_serdes_cmode(struct mv88e6xxx_chip *chip) +static int mv88e63xx_get_port_serdes_cmode(struct mv88e6xxx_chip *chip, int port) { u16 reg, val; int err; - err = mv88e6xxx_port_read(chip, 4, MV88E6XXX_PORT_STS, ®); + err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, ®); if (err) return err; @@ -651,16 +651,16 @@ static int mv88e6352_get_port4_serdes_cmode(struct mv88e6xxx_chip *chip) return 0xf; val = reg & ~MV88E6XXX_PORT_STS_PHY_DETECT; - err = mv88e6xxx_port_write(chip, 4, MV88E6XXX_PORT_STS, val); + err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_STS, val); if (err) return err; - err = mv88e6xxx_port_read(chip, 4, MV88E6XXX_PORT_STS, &val); + err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, &val); if (err) return err; /* Restore PHY_DETECT value */ - err = mv88e6xxx_port_write(chip, 4, MV88E6XXX_PORT_STS, reg); + err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_STS, reg); if (err) return err; @@ -688,7 +688,7 @@ static void mv88e6352_phylink_get_caps(struct mv88e6xxx_chip *chip, int port, if (err <= 0) return; - cmode = mv88e6352_get_port4_serdes_cmode(chip); + cmode = mv88e63xx_get_port_serdes_cmode(chip, port); if (cmode < 0) dev_err(chip->dev, "p%d: failed to read serdes cmode\n", port); @@ -701,12 +701,23 @@ static void mv88e632x_phylink_get_caps(struct mv88e6xxx_chip *chip, int port, struct phylink_config *config) { unsigned long *supported = config->supported_interfaces; + int cmode; /* Translate the default cmode */ mv88e6xxx_translate_cmode(chip->ports[port].cmode, supported); config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100 | MAC_1000FD; + + /* Port 0/1 are serdes only ports */ + if (port == 0 || port == 1) { + cmode = mv88e63xx_get_port_serdes_cmode(chip, port); + if (cmode < 0) + dev_err(chip->dev, "p%d: failed to read serdes cmode\n", + port); + else + mv88e6xxx_translate_cmode(cmode, supported); + } } static void mv88e6341_phylink_get_caps(struct mv88e6xxx_chip *chip, int port, |