diff options
Diffstat (limited to 'Documentation/ABI/testing')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-usb | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-usb b/Documentation/ABI/testing/sysfs-bus-usb index e935625f5995..864637f25bee 100644 --- a/Documentation/ABI/testing/sysfs-bus-usb +++ b/Documentation/ABI/testing/sysfs-bus-usb @@ -118,12 +118,12 @@ What: /sys/bus/usb/devices/.../power/usb3_hardware_lpm Date: June 2015 Contact: Kevin Strasser <kevin.strasser@linux.intel.com> Description: - If CONFIG_PM_RUNTIME is set and a USB 3.0 lpm-capable device is - plugged in to a xHCI host which supports link PM, it will check - if U1 and U2 exit latencies have been set in the BOS - descriptor; if the check is is passed and the host supports - USB3 hardware LPM, USB3 hardware LPM will be enabled for the - device and the USB device directory will contain a file named + If CONFIG_PM is set and a USB 3.0 lpm-capable device is plugged + in to a xHCI host which supports link PM, it will check if U1 + and U2 exit latencies have been set in the BOS descriptor; if + the check is is passed and the host supports USB3 hardware LPM, + USB3 hardware LPM will be enabled for the device and the USB + device directory will contain a file named power/usb3_hardware_lpm. The file holds a string value (enable or disable) indicating whether or not USB3 hardware LPM is enabled for the device. |