diff options
author | Andrew Lunn <andrew@lunn.ch> | 2018-08-09 15:38:49 +0200 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2018-08-09 11:08:20 -0700 |
commit | 734447d4ed7b1f31617c28959fd5adfbd9e39d13 (patch) | |
tree | 7db8f2d5ce4007b17bfcf92083377228202a4a8a /drivers/net/dsa/mv88e6xxx/port.c | |
parent | efd1ba6af93ff63d40f92515a83405133145c028 (diff) |
net: dsa: mv88e6xxx: Re-setup interrupts on CMODE change.
When a port changes CMODE, the SERDES interface being used can change.
Disable interrupts for the old SERDES interface, and enable interrupts
on the new.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dsa/mv88e6xxx/port.c')
-rw-r--r-- | drivers/net/dsa/mv88e6xxx/port.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c index 977b4cb82299..92945841c8e8 100644 --- a/drivers/net/dsa/mv88e6xxx/port.c +++ b/drivers/net/dsa/mv88e6xxx/port.c @@ -342,8 +342,9 @@ int mv88e6390x_port_set_speed(struct mv88e6xxx_chip *chip, int port, int speed) int mv88e6390x_port_set_cmode(struct mv88e6xxx_chip *chip, int port, phy_interface_t mode) { - u16 reg; + int lane; u16 cmode; + u16 reg; int err; if (mode == PHY_INTERFACE_MODE_NA) @@ -373,6 +374,16 @@ int mv88e6390x_port_set_cmode(struct mv88e6xxx_chip *chip, int port, cmode = 0; } + lane = mv88e6390x_serdes_get_lane(chip, port); + if (lane < 0) + return lane; + + if (chip->ports[port].serdes_irq) { + err = mv88e6390_serdes_irq_disable(chip, port, lane); + if (err) + return err; + } + err = mv88e6390_serdes_power(chip, port, false); if (err) return err; @@ -392,6 +403,12 @@ int mv88e6390x_port_set_cmode(struct mv88e6xxx_chip *chip, int port, err = mv88e6390_serdes_power(chip, port, true); if (err) return err; + + if (chip->ports[port].serdes_irq) { + err = mv88e6390_serdes_irq_enable(chip, port, lane); + if (err) + return err; + } } chip->ports[port].cmode = cmode; |