CONFIG_ARM_SCMI_HAVE_SHMEM (not configurable)

configname: CONFIG_ARM_SCMI_HAVE_SHMEM

Linux Kernel Configuration
└─>Device Drivers
└─>Firmware Drivers
└─>ARM System Control and Management Interface Protocol
└─>ARM_SCMI_HAVE_SHMEM
In linux kernel since version 5.2 (release Date: 2019-07-07)  
This declares whether a shared memory based transport for SCMI is
available.