CONFIG_MACH_MAINSTONE is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
default or selected kernelversion does not have config value CONFIG_MACH_MAINSTONE.
Result is shown for kernelversion 6.9.9
Intel HCDDBBVA0 Development Platform (aka Mainstone)
modulename: mainstone.ko
and/orpxa2xx_mainstone.ko
configname: CONFIG_MACH_MAINSTONE
Linux Kernel Configuration
└─>PXA2xx/PXA3xx-based
└─>Intel PXA2xx/PXA3xx Implementations
└─>Intel HCDDBBVA0 Development Platform (aka Mainstone)