Re: [RFC] PCI/PM: Add ABI document for sysfs file d3cold_allowed
From: Don Dutile
Date: Tue Jul 31 2012 - 09:50:28 EST
On 07/30/2012 11:12 PM, Huang Ying wrote:
Hi, Don,
Thanks for your comments.
On Mon, 2012-07-30 at 14:03 -0400, Don Dutile wrote:
On 07/27/2012 04:07 AM, Huang Ying wrote:
This patch adds ABI document for the following sysfs file:
/sys/bus/pci/devices/.../d3cold_allowed
Signed-off-by: Huang Ying<ying.huang@xxxxxxxxx>
---
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@xxxxxxxxx>
+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
did you mean 'requirements' here? -------------------------------^
or is there only 1 other requirement?
I mean requirements here.
+ satisfied too. Reading this attribute will show the current
+ value of d3cold_allowed bit. Writting this attribute will set
spell checker says 'Writing' --------------------^
Sorry about my poor English and I should have spell checked it before
sending out.
no problem! I figured since you were making the extra
effort to add the documentation, we might as well make it clear.
Thanks for the update.
Best Regards,
Huang Ying
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