config DM_RNG bool "Driver support for Random Number Generator devices" depends on DM help Enable driver model for random number generator(rng) devices. This interface is used to initialise the rng device and to read the random seed from the device. if DM_RNG config RNG_ROCKCHIP bool "Enable random number generator for rockchip crypto rng" depends on ARCH_ROCKCHIP && DM_RNG default n help Enable random number generator for rockchip.This driver is support rng module of crypto v1 and crypto v2. endif