X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=Documentation%2FABI%2Ftesting%2Fsysfs-bus-pci;h=25c9c39770c6b957571e5cd18f0f52d9c02681c5;hb=4a1106afeed26012de69f4837b8d7a8b83f28489;hp=77ad9ec3c801966213147ee5c18273f48edda9b0;hpb=533369b145d8d1bc44b8ed7f0dd0ecffb16384cc;p=linux-2.6-microblaze.git

diff --git a/Documentation/ABI/testing/sysfs-bus-pci b/Documentation/ABI/testing/sysfs-bus-pci
index 77ad9ec3c801..25c9c39770c6 100644
--- a/Documentation/ABI/testing/sysfs-bus-pci
+++ b/Documentation/ABI/testing/sysfs-bus-pci
@@ -366,3 +366,12 @@ Contact:	Heiner Kallweit <hkallweit1@gmail.com>
 Description:	If ASPM is supported for an endpoint, these files can be
 		used to disable or enable the individual power management
 		states. Write y/1/on to enable, n/0/off to disable.
+
+What:		/sys/bus/pci/devices/.../power_state
+Date:		November 2020
+Contact:	Linux PCI developers <linux-pci@vger.kernel.org>
+Description:
+		This file contains the current PCI power state of the device.
+		The value comes from the PCI kernel device state and can be one
+		of: "unknown", "error", "D0", D1", "D2", "D3hot", "D3cold".
+		The file is read only.