default or selected kernelversion does not have config value CONFIG_SIMPLE_PM_BUS.
Result is shown for kernelversion 6.8.2
Simple Power-Managed Bus Driver
modulename: simple-pm-bus.ko
configname: CONFIG_SIMPLE_PM_BUS
Linux Kernel Configuration
└─>Device Drivers
└─>Bus devices
└─>Simple Power-Managed Bus Driver
In linux kernel since version 4.1 (release Date: 2015-06-21)
Driver for transparent busses that don't need a real driver, but
where the bus controller is part of a PM domain, or under the control
of a functional clock, and thus relies on runtime PM for managing
this PM domain and/or clock.
An example of such a bus controller is the Renesas Bus State
Controller (BSC, sometimes called "LBSC within Bus Bridge", or
"External Bus Interface") as found on several Renesas ARM SoCs.
where the bus controller is part of a PM domain, or under the control
of a functional clock, and thus relies on runtime PM for managing
this PM domain and/or clock.
An example of such a bus controller is the Renesas Bus State
Controller (BSC, sometimes called "LBSC within Bus Bridge", or
"External Bus Interface") as found on several Renesas ARM SoCs.