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SubjectRe: [RFC PATCH net-next] net: dsa: mt7530: fix port specifications for MT7988
Port 6 configuration is shared so it's simpler to put a label.

diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index 6fbbdcb5987f..009f2c0948d6 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -2548,7 +2548,7 @@ static void mt7988_mac_port_get_caps(struct dsa_switch *ds, int port,
phy_interface_zero(config->supported_interfaces);

switch (port) {
- case 0 ... 4: /* Internal phy */
+ case 0 ... 3: /* Internal phy */
__set_bit(PHY_INTERFACE_MODE_INTERNAL,
config->supported_interfaces);
break;
@@ -2710,37 +2710,50 @@ mt753x_phylink_mac_config(struct dsa_switch *ds, int port, unsigned int mode,
struct mt7530_priv *priv = ds->priv;
u32 mcr_cur, mcr_new;

- switch (port) {
- case 0 ... 4: /* Internal phy */
- if (state->interface != PHY_INTERFACE_MODE_GMII &&
- state->interface != PHY_INTERFACE_MODE_INTERNAL)
+ if (priv->id == ID_MT7988) {
+ switch (port) {
+ case 0 ... 3: /* Internal phy */
+ if (state->interface != PHY_INTERFACE_MODE_INTERNAL)
+ goto unsupported;
+ break;
+ case 6: /* Port 6, a CPU port. */
+ goto port6;
+ default:
goto unsupported;
- break;
- case 5: /* Port 5, a CPU port. */
- if (priv->p5_interface == state->interface)
+ }
+ } else {
+ switch (port) {
+ case 0 ... 4: /* Internal phy */
+ if (state->interface != PHY_INTERFACE_MODE_GMII)
+ goto unsupported;
break;
+ case 5: /* Port 5, a CPU port. */
+ if (priv->p5_interface == state->interface)
+ break;

- if (mt753x_mac_config(ds, port, mode, state) < 0)
- goto unsupported;
+ if (mt753x_mac_config(ds, port, mode, state) < 0)
+ goto unsupported;

- if (priv->p5_intf_sel == P5_INTF_SEL_GMAC5 ||
- priv->p5_intf_sel == P5_INTF_SEL_GMAC5_SGMII)
- priv->p5_interface = state->interface;
- break;
- case 6: /* Port 6, a CPU port. */
- if (priv->p6_interface == state->interface)
+ if (priv->p5_intf_sel == P5_INTF_SEL_GMAC5 ||
+ priv->p5_intf_sel == P5_INTF_SEL_GMAC5_SGMII)
+ priv->p5_interface = state->interface;
break;
+ case 6: /* Port 6, a CPU port. */
+port6:
+ if (priv->p6_interface == state->interface)
+ break;

- if (mt753x_mac_config(ds, port, mode, state) < 0)
- goto unsupported;
+ if (mt753x_mac_config(ds, port, mode, state) < 0)
+ goto unsupported;

- priv->p6_interface = state->interface;
- break;
- default:
+ priv->p6_interface = state->interface;
+ break;
+ default:
unsupported:
- dev_err(ds->dev, "%s: unsupported %s port: %i\n",
- __func__, phy_modes(state->interface), port);
- return;
+ dev_err(ds->dev, "%s: unsupported %s port: %i\n",
+ __func__, phy_modes(state->interface), port);
+ return;
+ }
}

mcr_cur = mt7530_read(priv, MT7530_PMCR_P(port));
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