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-rw-r--r--drivers/net/dsa/mv88e6xxx/serdes.c49
1 files changed, 38 insertions, 11 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/serdes.c b/drivers/net/dsa/mv88e6xxx/serdes.c
index 1bfc5ff8d81d..6a5de1b72f6c 100644
--- a/drivers/net/dsa/mv88e6xxx/serdes.c
+++ b/drivers/net/dsa/mv88e6xxx/serdes.c
@@ -510,21 +510,48 @@ static void mv88e6390_serdes_irq_link_sgmii(struct mv88e6xxx_chip *chip,
int port, int lane)
{
struct dsa_switch *ds = chip->ds;
+ int duplex = DUPLEX_UNKNOWN;
+ int speed = SPEED_UNKNOWN;
+ int link, err;
u16 status;
- bool up;
- mv88e6390_serdes_read(chip, lane, MDIO_MMD_PHYXS,
- MV88E6390_SGMII_STATUS, &status);
+ err = mv88e6390_serdes_read(chip, lane, MDIO_MMD_PHYXS,
+ MV88E6390_SGMII_PHY_STATUS, &status);
+ if (err) {
+ dev_err(chip->dev, "can't read SGMII PHY status: %d\n", err);
+ return;
+ }
- /* Status must be read twice in order to give the current link
- * status. Otherwise the change in link status since the last
- * read of the register is returned.
- */
- mv88e6390_serdes_read(chip, lane, MDIO_MMD_PHYXS,
- MV88E6390_SGMII_STATUS, &status);
- up = status & MV88E6390_SGMII_STATUS_LINK;
+ link = status & MV88E6390_SGMII_PHY_STATUS_LINK ?
+ LINK_FORCED_UP : LINK_FORCED_DOWN;
+
+ if (status & MV88E6390_SGMII_PHY_STATUS_SPD_DPL_VALID) {
+ duplex = status & MV88E6390_SGMII_PHY_STATUS_DUPLEX_FULL ?
+ DUPLEX_FULL : DUPLEX_HALF;
+
+ switch (status & MV88E6390_SGMII_PHY_STATUS_SPEED_MASK) {
+ case MV88E6390_SGMII_PHY_STATUS_SPEED_1000:
+ speed = SPEED_1000;
+ break;
+ case MV88E6390_SGMII_PHY_STATUS_SPEED_100:
+ speed = SPEED_100;
+ break;
+ case MV88E6390_SGMII_PHY_STATUS_SPEED_10:
+ speed = SPEED_10;
+ break;
+ default:
+ dev_err(chip->dev, "invalid PHY speed\n");
+ return;
+ }
+ }
- dsa_port_phylink_mac_change(ds, port, up);
+ err = mv88e6xxx_port_setup_mac(chip, port, link, speed, duplex,
+ PAUSE_OFF, PHY_INTERFACE_MODE_NA);
+ if (err)
+ dev_err(chip->dev, "can't propagate PHY settings to MAC: %d\n",
+ err);
+ else
+ dsa_port_phylink_mac_change(ds, port, link == LINK_FORCED_UP);
}
static int mv88e6390_serdes_irq_enable_sgmii(struct mv88e6xxx_chip *chip,