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Message-Id: <1343376454-28520-1-git-send-email-ying.huang@intel.com> Date: Fri, 27 Jul 2012 16:07:34 +0800 From: Huang Ying <ying.huang@...el.com> To: Bjorn Helgaas <bhelgaas@...gle.com> Cc: linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org, linux-pm@...r.kernel.org, "Rafael J. Wysocki" <rjw@...k.pl>, Bjorn Mork <bjorn@...k.no>, Huang Ying <ying.huang@...el.com> Subject: [RFC] 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: Huang Ying <ying.huang@...el.com> --- Documentation/ABI/testing/sysfs-bus-pci | 12 ++++++++++++ 1 file changed, 12 insertions(+) --- a/Documentation/ABI/testing/sysfs-bus-pci +++ b/Documentation/ABI/testing/sysfs-bus-pci @@ -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@...el.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 requirement are + satisfied too. Reading this attribute will show the current + value of d3cold_allowed bit. Writting this attribute will set + the value of d3cold_allowed bit. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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