Hi Anton, On Thu, Aug 03, 2023 at 01:26:42PM +0200, Anton Eliasson wrote: > At least freeze, restore and thaw need to be set in order for the driver > to support system hibernation. The existing suspend/resume functions can > be reused since those functions don't touch the device's power state or > wakeup capability. Use the helper macros SET_SYSTEM_SLEEP_PM_OPS and > SET_NOIRQ_SYSTEM_SLEEP_PM_OPS for symmetry with similar drivers. and why do we need hibernation in this device? Andi