From e037d1d99b3d34cde3b73cebdd50682d7afe40f7 Mon Sep 17 00:00:00 2001 From: Russell King Date: Fri, 14 Feb 2020 13:32:36 +0000 Subject: net: dsa: debugging prints Signed-off-by: Russell King --- drivers/net/dsa/mv88e6xxx/port.c | 12 ++++++++++++ net/dsa/port.c | 6 ++++++ 2 files changed, 18 insertions(+) diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c index 8128dc607cf4..a574cff80826 100644 --- a/drivers/net/dsa/mv88e6xxx/port.c +++ b/drivers/net/dsa/mv88e6xxx/port.c @@ -53,6 +53,10 @@ int mv88e6185_port_set_pause(struct mv88e6xxx_chip *chip, int port, else reg &= ~MV88E6XXX_PORT_STS_MY_PAUSE; + if (reg & MV88E6XXX_PORT_MAC_CTL_FORCE_LINK && + reg & MV88E6XXX_PORT_MAC_CTL_LINK_UP) + dev_err(chip->dev, "p%d: %s with port up\n", port, __func__); + return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_STS, reg); } @@ -95,6 +99,10 @@ static int mv88e6xxx_port_set_rgmii_delay(struct mv88e6xxx_chip *chip, int port, return 0; } + if (reg & MV88E6XXX_PORT_MAC_CTL_FORCE_LINK && + reg & MV88E6XXX_PORT_MAC_CTL_LINK_UP) + dev_err(chip->dev, "p%d: %s with port up\n", port, __func__); + err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_MAC_CTL, reg); if (err) return err; @@ -234,6 +242,10 @@ static int mv88e6xxx_port_set_speed_duplex(struct mv88e6xxx_chip *chip, } reg |= ctrl; + if (reg & MV88E6XXX_PORT_MAC_CTL_FORCE_LINK && + reg & MV88E6XXX_PORT_MAC_CTL_LINK_UP) + dev_err(chip->dev, "p%d: %s with port up\n", port, __func__); + err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_MAC_CTL, reg); if (err) return err; diff --git a/net/dsa/port.c b/net/dsa/port.c index a58fdd362574..ebd2b805680d 100644 --- a/net/dsa/port.c +++ b/net/dsa/port.c @@ -496,6 +496,8 @@ static void dsa_port_phylink_mac_config(struct phylink_config *config, if (!ds->ops->phylink_mac_config) return; + dev_printk(KERN_DEBUG, ds->dev, "p%d: %s()\n", dp->index, __func__); + ds->ops->phylink_mac_config(ds, dp->index, mode, state); } @@ -518,6 +520,8 @@ static void dsa_port_phylink_mac_link_down(struct phylink_config *config, struct phy_device *phydev = NULL; struct dsa_switch *ds = dp->ds; + dev_printk(KERN_DEBUG, ds->dev, "p%d: %s()\n", dp->index, __func__); + if (dsa_is_user_port(ds, dp->index)) phydev = dp->slave->phydev; @@ -540,6 +544,8 @@ static void dsa_port_phylink_mac_link_up(struct phylink_config *config, struct dsa_port *dp = container_of(config, struct dsa_port, pl_config); struct dsa_switch *ds = dp->ds; + dev_printk(KERN_DEBUG, ds->dev, "p%d: %s()\n", dp->index, __func__); + if (!ds->ops->phylink_mac_link_up) { if (ds->ops->adjust_link && phydev) ds->ops->adjust_link(ds, dp->index, phydev); -- cgit