CONFIG_MACH_E800 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
Toshiba e800
modulename: e800_lcd.ko
configname: CONFIG_MACH_E800
Linux Kernel Configuration
└─>Intel PXA2xx/PXA3xx Implementations
└─>Toshiba e800
In linux kernel since version 2.6.25 (release Date: 2008-04-16)
Say Y here if you intend to run this kernel on a Toshiba
e800 family PDA.
e800 family PDA.