From b98f122ebdac28b0c932f3f4474eb0927c39297b Mon Sep 17 00:00:00 2001
From: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Date: Tue, 11 Jun 2024 15:54:24 +0200
Subject: net: dsa: lantiq_gswip: Only allow phy-mode = "internal" on the CPU
 port

Add the CPU port to gswip_xrx200_phylink_get_caps() and
gswip_xrx300_phylink_get_caps(). It connects through a SoC-internal bus,
so the only allowed phy-mode is PHY_INTERFACE_MODE_INTERNAL.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Martin Schiller <ms@dev.tdt.de>
Link: https://lore.kernel.org/r/20240611135434.3180973-3-ms@dev.tdt.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
 drivers/net/dsa/lantiq_gswip.c | 2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/net/dsa/lantiq_gswip.c
+++ b/drivers/net/dsa/lantiq_gswip.c
@@ -1509,6 +1509,7 @@ static void gswip_xrx200_phylink_get_cap
 	case 2:
 	case 3:
 	case 4:
+	case 6:
 		__set_bit(PHY_INTERFACE_MODE_INTERNAL,
 			  config->supported_interfaces);
 		break;
@@ -1540,6 +1541,7 @@ static void gswip_xrx300_phylink_get_cap
 	case 2:
 	case 3:
 	case 4:
+	case 6:
 		__set_bit(PHY_INTERFACE_MODE_INTERNAL,
 			  config->supported_interfaces);
 		break;