--- zzzz-none-000/linux-5.4.213/drivers/net/dsa/Kconfig	2022-09-15 10:04:56.000000000 +0000
+++ alder-5690pro-762/linux-5.4.213/drivers/net/dsa/Kconfig	2024-08-14 09:02:07.000000000 +0000
@@ -66,6 +66,7 @@
 config NET_DSA_REALTEK_SMI
 	tristate "Realtek SMI Ethernet switch family support"
 	depends on NET_DSA
+	select NET_DSA_TAG_RTL4_A
 	select FIXED_PHY
 	select IRQ_DOMAIN
 	select REALTEK_PHY