default or selected kernelversion does not have config value CONFIG_MFD_CROS_EC_SPI.
Result is shown for kernelversion 6.7-rc3
ChromeOS Embedded Controller (SPI)
modulename: cros_ec_spi.ko
configname: CONFIG_MFD_CROS_EC_SPI
Linux Kernel Configuration
└─>Device Drivers
└─>Multifunction device drivers
└─>SPI support
└─>ChromeOS Embedded Controller (SPI)
In linux kernel since version 3.1 (release Date: 2011-10-24)
If you say Y here, you get support for talking to the ChromeOS EC
through a SPI bus, using a byte-level protocol. Since the EC's
response time cannot be guaranteed, we support ignoring
'pre-amble' bytes before the response actually starts.
through a SPI bus, using a byte-level protocol. Since the EC's
response time cannot be guaranteed, we support ignoring
'pre-amble' bytes before the response actually starts.