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-rw-r--r--Documentation/usb/power-management.txt10
1 files changed, 6 insertions, 4 deletions
diff --git a/Documentation/usb/power-management.txt b/Documentation/usb/power-management.txt
index 4204eb01fd38..1392b61d6ebe 100644
--- a/Documentation/usb/power-management.txt
+++ b/Documentation/usb/power-management.txt
@@ -33,6 +33,10 @@ built with CONFIG_USB_SUSPEND enabled (which depends on
33CONFIG_PM_RUNTIME). System PM support is present only if the kernel 33CONFIG_PM_RUNTIME). System PM support is present only if the kernel
34was built with CONFIG_SUSPEND or CONFIG_HIBERNATION enabled. 34was built with CONFIG_SUSPEND or CONFIG_HIBERNATION enabled.
35 35
36(Starting with the 3.10 kernel release, dynamic PM support for USB is
37present whenever the kernel was built with CONFIG_PM_RUNTIME enabled.
38The CONFIG_USB_SUSPEND option has been eliminated.)
39
36 40
37 What is Remote Wakeup? 41 What is Remote Wakeup?
38 ---------------------- 42 ----------------------
@@ -206,10 +210,8 @@ initialized to 5. (The idle-delay values for already existing devices
206will not be affected.) 210will not be affected.)
207 211
208Setting the initial default idle-delay to -1 will prevent any 212Setting the initial default idle-delay to -1 will prevent any
209autosuspend of any USB device. This is a simple alternative to 213autosuspend of any USB device. This has the benefit of allowing you
210disabling CONFIG_USB_SUSPEND and rebuilding the kernel, and it has the 214then to enable autosuspend for selected devices.
211added benefit of allowing you to enable autosuspend for selected
212devices.
213 215
214 216
215 Warnings 217 Warnings