diff options
Diffstat (limited to 'Documentation/ABI/testing/sysfs-devices-power')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-devices-power | 20 |
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. |