CONFIG_ETRAX_SPI_DATAIN_PIN is not available for thedefaultarchitecture x86.
Result is shown for architecture cris
default or selected kernelversion does not have config value CONFIG_ETRAX_SPI_DATAIN_PIN.
Result is shown for kernelversion 6.2.5

SPI MISO (data in) pin


Linux Kernel Configuration
└─>SPI MISO (data in) pin
In linux kernel since version 2.6.25 (release Date: 2008-04-16)  
The pin to use for SPI data in from the device.