diff options
| -rw-r--r-- | drivers/net/phy/realtek.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c index 476db5345e1a..879ca37c8508 100644 --- a/drivers/net/phy/realtek.c +++ b/drivers/net/phy/realtek.c @@ -171,7 +171,9 @@ static int rtl8211c_config_init(struct phy_device *phydev) static int rtl8211f_config_init(struct phy_device *phydev) { + struct device *dev = &phydev->mdio.dev; u16 val; + int ret; /* enable TX-delay for rgmii-{id,txid}, and disable it for rgmii and * rgmii-rxid. The RX-delay can be enabled by the external RXDLY pin. @@ -189,7 +191,22 @@ static int rtl8211f_config_init(struct phy_device *phydev) return 0; } - return phy_modify_paged(phydev, 0xd08, 0x11, RTL8211F_TX_DELAY, val); + ret = phy_modify_paged_changed(phydev, 0xd08, 0x11, RTL8211F_TX_DELAY, + val); + if (ret < 0) { + dev_err(dev, "Failed to update the TX delay register\n"); + return ret; + } else if (ret) { + dev_dbg(dev, + "%s 2ns TX delay (and changing the value from pin-strapping RXD1 or the bootloader)\n", + val ? "Enabling" : "Disabling"); + } else { + dev_dbg(dev, + "2ns TX delay was already %s (by pin-strapping RXD1 or bootloader configuration)\n", + val ? "enabled" : "disabled"); + } + + return 0; } static int rtl8211e_config_init(struct phy_device *phydev) |