diff options
Diffstat (limited to 'Documentation/usb/power-management.txt')
| -rw-r--r-- | Documentation/usb/power-management.txt | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/Documentation/usb/power-management.txt b/Documentation/usb/power-management.txt index 7b90fe034c4b..b5f83911732a 100644 --- a/Documentation/usb/power-management.txt +++ b/Documentation/usb/power-management.txt | |||
| @@ -47,14 +47,15 @@ dynamic PM is implemented in the USB subsystem, although system PM is | |||
| 47 | covered to some extent (see Documentation/power/*.txt for more | 47 | covered to some extent (see Documentation/power/*.txt for more |
| 48 | information about system PM). | 48 | information about system PM). |
| 49 | 49 | ||
| 50 | Note: Dynamic PM support for USB is present only if the kernel was | 50 | System PM support is present only if the kernel was built with CONFIG_SUSPEND |
| 51 | built with CONFIG_USB_SUSPEND enabled (which depends on | 51 | or CONFIG_HIBERNATION enabled. Dynamic PM support for USB is present whenever |
| 52 | CONFIG_PM_RUNTIME). System PM support is present only if the kernel | 52 | the kernel was built with CONFIG_PM enabled. |
| 53 | was built with CONFIG_SUSPEND or CONFIG_HIBERNATION enabled. | 53 | |
| 54 | 54 | [Historically, dynamic PM support for USB was present only if the | |
| 55 | (Starting with the 3.10 kernel release, dynamic PM support for USB is | 55 | kernel had been built with CONFIG_USB_SUSPEND enabled (which depended on |
| 56 | present whenever the kernel was built with CONFIG_PM_RUNTIME enabled. | 56 | CONFIG_PM_RUNTIME). Starting with the 3.10 kernel release, dynamic PM support |
| 57 | The CONFIG_USB_SUSPEND option has been eliminated.) | 57 | for USB was present whenever the kernel was built with CONFIG_PM_RUNTIME |
| 58 | enabled. The CONFIG_USB_SUSPEND option had been eliminated.] | ||
| 58 | 59 | ||
| 59 | 60 | ||
| 60 | What is Remote Wakeup? | 61 | What is Remote Wakeup? |