On Mon, 2012-10-08 at 10:09 +0200, Rafael J. Wysocki wrote: > From: Rafael J. Wysocki <rafael.j.wyso...@intel.com> > > Make ACPI power management routines and PCI power management > routines depending on ACPI take device PM QoS flags into account > when deciding what power state to put the device into. > > In particular, after this change acpi_pm_device_sleep_state() will > not return ACPI_STATE_D3_COLD as the deepest available low-power > state if PM_QOS_FLAG_NO_POWER_OFF is requested for the device and it > will not require remote wakeup to work for the device in the returned > low-power state if there is at least one PM QoS flags request for the > device, but PM_QOS_FLAG_REMOTE_WAKEUP is not requested for it. > > Accordingly, acpi_pci_set_power_state() will refuse to put the > device into D3cold if PM_QOS_FLAG_NO_POWER_OFF is requested for it. > > Signed-off-by: Rafael J. Wysocki <rafael.j.wyso...@intel.com> > Reviewed-by: Jean Pihet <j-pi...@ti.com>
Reviewed-by: Huang Ying <ying.hu...@intel.com> Best Regards, Huang Ying -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/