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-rw-r--r--Documentation/ABI/testing/sysfs-devices-power20
1 files changed, 3 insertions, 17 deletions
diff --git a/Documentation/ABI/testing/sysfs-devices-power b/Documentation/ABI/testing/sysfs-devices-power
index 676fdf5f2a99..80a00f7b6667 100644
--- a/Documentation/ABI/testing/sysfs-devices-power
+++ b/Documentation/ABI/testing/sysfs-devices-power
@@ -211,7 +211,9 @@ Description:
device, after it has been suspended at run time, from a resume
request to the moment the device will be ready to process I/O,
in microseconds. If it is equal to 0, however, this means that
- the PM QoS resume latency may be arbitrary.
+ the PM QoS resume latency may be arbitrary and the special value
+ "n/a" means that user space cannot accept any resume latency at
+ all for the given device.
Not all drivers support this attribute. If it isn't supported,
it is not present.
@@ -258,19 +260,3 @@ Description:
This attribute has no effect on system-wide suspend/resume and
hibernation.
-
-What: /sys/devices/.../power/pm_qos_remote_wakeup
-Date: September 2012
-Contact: Rafael J. Wysocki <rjw@rjwysocki.net>
-Description:
- The /sys/devices/.../power/pm_qos_remote_wakeup attribute
- is used for manipulating the PM QoS "remote wakeup required"
- flag. If set, this flag indicates to the kernel that the
- device is a source of user events that have to be signaled from
- its low-power states.
-
- Not all drivers support this attribute. If it isn't supported,
- it is not present.
-
- This attribute has no effect on system-wide suspend/resume and
- hibernation.