@@ -2454,7 +2454,7 @@ static void mt7530_mac_port_get_caps(struct dsa_switch *ds, int port,
config->supported_interfaces);
break;
- case 5: /* 2nd cpu port with phy of port 0 or 4 / external phy */
+ case 5: /* Port 5, a CPU port, supports rgmii, mii, and gmii. */
phy_interface_set_rgmii(config->supported_interfaces);
__set_bit(PHY_INTERFACE_MODE_MII,
config->supported_interfaces);
@@ -2462,7 +2462,7 @@ static void mt7530_mac_port_get_caps(struct dsa_switch *ds, int port,
config->supported_interfaces);
break;
- case 6: /* 1st cpu port */
+ case 6: /* Port 6, a CPU port, supports rgmii and trgmii. */
__set_bit(PHY_INTERFACE_MODE_RGMII,
config->supported_interfaces);
__set_bit(PHY_INTERFACE_MODE_TRGMII,
@@ -2487,14 +2487,14 @@ static void mt7531_mac_port_get_caps(struct dsa_switch *ds, int port,
config->supported_interfaces);
break;
- case 5: /* 2nd cpu port supports either rgmii or sgmii/8023z */
+ case 5: /* Port 5, a CPU port, supports rgmii and sgmii/802.3z. */
if (mt7531_is_rgmii_port(priv, port)) {
phy_interface_set_rgmii(config->supported_interfaces);
break;
}
fallthrough;
- case 6: /* 1st cpu port supports sgmii/8023z only */
+ case 6: /* Port 6, a CPU port, supports sgmii/802.3z only. */
__set_bit(PHY_INTERFACE_MODE_SGMII,
config->supported_interfaces);
__set_bit(PHY_INTERFACE_MODE_1000BASEX,
@@ -2772,7 +2772,7 @@ mt753x_phylink_mac_config(struct dsa_switch *ds, int port, unsigned int mode,
if (state->interface != PHY_INTERFACE_MODE_GMII)
goto unsupported;
break;
- case 5: /* 2nd cpu port with phy of port 0 or 4 / external phy */
+ case 5: /* Port 5, a CPU port. */
if (priv->p5_interface == state->interface)
break;
@@ -2782,7 +2782,7 @@ mt753x_phylink_mac_config(struct dsa_switch *ds, int port, unsigned int mode,
if (priv->p5_intf_sel != P5_DISABLED)
priv->p5_interface = state->interface;
break;
- case 6: /* 1st cpu port */
+ case 6: /* Port 6, a CPU port. */
if (priv->p6_interface == state->interface)
break;