On Tue, Aug 13, 2013 at 3:59 AM, Peter Chen <hzpeterchen@xxxxxxxxx> wrote: > It seems .pm is not NULL if CONFIG_PM_SLEEP is not defined > which is not the same with former code. With SIMPLE_DEV_PM_OPS macro we don't need to define the NULL function variants. Take a look at include/linux/pm.h to get a clear picture. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html