default or selected kernelversion does not have config value CONFIG_STMMAC_DUAL_MAC.
Result is shown for kernelversion 6.2.5
STMMAC: dual mac support (EXPERIMENTAL)
configname: CONFIG_STMMAC_DUAL_MAC
Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet (1000 Mbit)
└─>STMMAC: dual mac support (EXPERIMENTAL)
In linux kernel since version 2.6.32 (release Date: 2009-12-02)
Some ST SoCs (for example the stx7141 and stx7200c2) have two
Ethernet Controllers. This option turns on the second Ethernet
device on this kind of platforms.
Ethernet Controllers. This option turns on the second Ethernet
device on this kind of platforms.
depends
CONFIG_EXPERIMENTALCONFIG_NETDEVICES
CONFIG_NETDEV_1000
CONFIG_STMMAC_ETH
NOT CONFIG_STMMAC_TIMER