quoted

quoted

+	if (!phy_interface_is_rgmii(phydev)) {
+		/* Misc Control: GMII/MII/MII-Lite Mode (not RGMII) */
+		err = bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC,
+					   MII_BCM54XX_AUXCTL_MISC_WREN |
+					   MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN |

This is a bit confusing. If it is NOT RGMII, you set RGMII_SKEW_EN? I
could understand the opposite, clear the bit...

Bit 7 is documented as RGMII Enable

Thanks Florian

However, this still does not explain the
!phy_interface_is_rgmii(phydev).

	 Andrew