On Thu, Aug 05, 2010 at 01:44:21AM +0530, Raj Kumar wrote: > Does it mean that only bus driver code will handle all low power mode > requests? The bus code is responsible for calling the device-specific methods, but the device-specific drivers will typically know nothing about ACPI. They'll only know that the bus code asked them to enter a low-power mode or that they got a wakeup event. > peripherals are idle but not all peripherals belonging to bus then in that > case > > does the bus handle the low power modes of peripherals? Yes. All determination is done per-device. Check Documentation/power/runtime_pm.txt. -- Matthew Garrett | mjg59@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
