CPU Idle Driver for Qualcomm Subsystem Power Manager (SPM)

modulename: cpuidle-qcom-spm.ko

configname: CONFIG_ARM_QCOM_SPM_CPUIDLE

Linux Kernel Configuration
└─>CPU Idle Driver for Qualcomm Subsystem Power Manager (SPM)
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
Select this to enable cpuidle for Qualcomm processors.
The Subsystem Power Manager (SPM) controls low power modes for the
CPU and L2 cores. It interface with various system drivers to put
the cores in low power modes.

source code:
selects
CONFIG_ARM_CPU_SUSPEND
CONFIG_CPU_IDLE_MULTIPLE_DRIVERS
CONFIG_DT_IDLE_STATES
CONFIG_QCOM_SCM
CONFIG_QCOM_SPM