pm_pwroff_prep_fn 610 drivers/mfd/rk808.c rk808->pm_pwroff_prep_fn = rk805_device_shutdown_prepare; pm_pwroff_prep_fn 699 drivers/mfd/rk808.c pm_power_off_prepare = rk808->pm_pwroff_prep_fn; pm_pwroff_prep_fn 725 drivers/mfd/rk808.c if (rk808->pm_pwroff_prep_fn && pm_pwroff_prep_fn 726 drivers/mfd/rk808.c pm_power_off_prepare == rk808->pm_pwroff_prep_fn) pm_pwroff_prep_fn 624 include/linux/mfd/rk808.h void (*pm_pwroff_prep_fn)(void);