http://bugzilla.kernel.org/show_bug.cgi?id=12748
ykzhao <yakui.z...@intel.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |NEEDINFO
--- Comment #16 from ykzhao <yakui.z...@intel.com> 2009-05-04 02:06:25 ---
Hi, Henrique
Will you please try the attached patch set and see whether the issue still
exists?
Patch 1: Put the power resource into OFF state before scanning ACPI device
tree.
Only when the ACPI device is switched to D0 state, it will be put into _ON
state. For example: for PCI device. When enabling the PCI device, the hook
function of acpi_pci_set_power_state will be called and the power resource can
be enabled.
Patch 2: Set the PNP device into D0 state in case of adding "pnpacpi=off"
thanks.
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