From 429b7be8129386dfbd9089d257bf221a9ab4719f Mon Sep 17 00:00:00 2001 From: Russell King Date: Sat, 14 Mar 2020 10:15:38 +0000 Subject: [PATCH] net: dsa: mv88e6xxx: configure interface settings in mac_config Only configure the interface settings in mac_config(), leaving the speed and duplex settings to mac_link_up to deal with. Signed-off-by: Russell King Reviewed-by: Andrew Lunn Signed-off-by: David S. Miller --- drivers/net/dsa/mv88e6xxx/chip.c | 67 +++++++++++++++++--------------- 1 file changed, 35 insertions(+), 32 deletions(-) diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index fb4c97a58bd4f..14a716779bc34 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -397,6 +397,28 @@ static void mv88e6xxx_irq_poll_free(struct mv88e6xxx_chip *chip) mv88e6xxx_reg_unlock(chip); } +static int mv88e6xxx_port_config_interface(struct mv88e6xxx_chip *chip, + int port, phy_interface_t interface) +{ + int err; + + if (chip->info->ops->port_set_rgmii_delay) { + err = chip->info->ops->port_set_rgmii_delay(chip, port, + interface); + if (err && err != -EOPNOTSUPP) + return err; + } + + if (chip->info->ops->port_set_cmode) { + err = chip->info->ops->port_set_cmode(chip, port, + interface); + if (err && err != -EOPNOTSUPP) + return err; + } + + return 0; +} + int mv88e6xxx_port_setup_mac(struct mv88e6xxx_chip *chip, int port, int link, int speed, int duplex, int pause, phy_interface_t mode) @@ -451,19 +473,7 @@ int mv88e6xxx_port_setup_mac(struct mv88e6xxx_chip *chip, int port, int link, goto restore_link; } - if (chip->info->ops->port_set_rgmii_delay) { - err = chip->info->ops->port_set_rgmii_delay(chip, port, mode); - if (err && err != -EOPNOTSUPP) - goto restore_link; - } - - if (chip->info->ops->port_set_cmode) { - err = chip->info->ops->port_set_cmode(chip, port, mode); - if (err && err != -EOPNOTSUPP) - goto restore_link; - } - - err = 0; + err = mv88e6xxx_port_config_interface(chip, port, mode); restore_link: if (chip->info->ops->port_set_link(chip, port, link)) dev_err(chip->dev, "p%d: failed to restore MAC's link\n", port); @@ -603,33 +613,26 @@ static void mv88e6xxx_mac_config(struct dsa_switch *ds, int port, const struct phylink_link_state *state) { struct mv88e6xxx_chip *chip = ds->priv; - int speed, duplex, link, pause, err; + int err; + /* FIXME: is this the correct test? If we're in fixed mode on an + * internal port, why should we process this any different from + * PHY mode? On the other hand, the port may be automedia between + * an internal PHY and the serdes... + */ if ((mode == MLO_AN_PHY) && mv88e6xxx_phy_is_internal(ds, port)) return; - if (mode == MLO_AN_FIXED) { - link = LINK_FORCED_UP; - speed = state->speed; - duplex = state->duplex; - } else if (!mv88e6xxx_phy_is_internal(ds, port)) { - link = state->link; - speed = state->speed; - duplex = state->duplex; - } else { - speed = SPEED_UNFORCED; - duplex = DUPLEX_UNFORCED; - link = LINK_UNFORCED; - } - pause = !!phylink_test(state->advertising, Pause); - mv88e6xxx_reg_lock(chip); - err = mv88e6xxx_port_setup_mac(chip, port, link, speed, duplex, pause, - state->interface); + /* FIXME: should we force the link down here - but if we do, how + * do we restore the link force/unforce state? The driver layering + * gets in the way. + */ + err = mv88e6xxx_port_config_interface(chip, port, state->interface); mv88e6xxx_reg_unlock(chip); if (err && err != -EOPNOTSUPP) - dev_err(ds->dev, "p%d: failed to configure MAC\n", port); + dev_err(ds->dev, "p%d: failed to configure MAC/PCS\n", port); } static void mv88e6xxx_mac_link_down(struct dsa_switch *ds, int port, -- 2.39.5