diff options
Diffstat (limited to 'drivers/usb/core/Kconfig')
| -rw-r--r-- | drivers/usb/core/Kconfig | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/usb/core/Kconfig b/drivers/usb/core/Kconfig index 1a9ff6184943..ff03184da403 100644 --- a/drivers/usb/core/Kconfig +++ b/drivers/usb/core/Kconfig @@ -61,14 +61,17 @@ config USB_DYNAMIC_MINORS If you are unsure about this, say N here. config USB_SUSPEND - bool "USB suspend/resume (EXPERIMENTAL)" + bool "USB selective suspend/resume and wakeup (EXPERIMENTAL)" depends on USB && PM && EXPERIMENTAL help If you say Y here, you can use driver calls or the sysfs "power/state" file to suspend or resume individual USB - peripherals. There are many related features, such as - remote wakeup and driver-specific suspend processing, that - may not yet work as expected. + peripherals. + + Also, USB "remote wakeup" signaling is supported, whereby some + USB devices (like keyboards and network adapters) can wake up + their parent hub. That wakeup cascades up the USB tree, and + could wake the system from states like suspend-to-RAM. If you are unsure about this, say N here. |