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Commit 046c6531 authored by Huang Ying's avatar Huang Ying Committed by Bjorn Helgaas
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PCI/PM: Add ABI document for sysfs file d3cold_allowed 



This patch adds ABI document for the following sysfs file:

/sys/bus/pci/devices/.../d3cold_allowed

Signed-off-by: default avatarHuang Ying <ying.huang@intel.com>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Acked-by: default avatarRafael J. Wysocki <rjw@sisk.pl>
parent 3d8387ef

Documentation/ABI/testing/sysfs-bus-pci

+12 −0
Original line number Diff line number Diff line
@@ -210,3 +210,15 @@ Users: 
		firmware assigned instance number of the PCI

		device that can help in understanding the firmware

		intended order of the PCI device.



What:		/sys/bus/pci/devices/.../d3cold_allowed

Date:		July 2012

Contact:	Huang Ying <ying.huang@intel.com>

Description:

		d3cold_allowed is bit to control whether the corresponding PCI

		device can be put into D3Cold state.  If it is cleared, the

		device will never be put into D3Cold state.  If it is set, the

		device may be put into D3Cold state if other requirements are

		satisfied too.  Reading this attribute will show the current

		value of d3cold_allowed bit.  Writing this attribute will set

		the value of d3cold_allowed bit.