default or selected kernelversion does not have config value CONFIG_K210_SYSCTL.
Result is shown for kernelversion 6.9.8
Kendryte K210 system controller
modulename: k210-sysctl.ko
configname: CONFIG_K210_SYSCTL
Linux Kernel Configuration
└─>Device Drivers
└─>SOC (System On Chip) specific Drivers
└─>Kendryte K210 system controller
In linux kernel since version 5.1 (release Date: 2019-05-05)
Enables controlling the K210 various clocks and to enable
general purpose use of the extra 2MB of SRAM normally
reserved for the AI engine.
general purpose use of the extra 2MB of SRAM normally
reserved for the AI engine.