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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 4204eb01fd3..1392b61d6eb 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
CONFIG_PM_RUNTIME). System PM support is present only if the kernel
was built with CONFIG_SUSPEND or CONFIG_HIBERNATION enabled.
+(Starting with the 3.10 kernel release, dynamic PM support for USB is
+present whenever the kernel was built with CONFIG_PM_RUNTIME enabled.
+The CONFIG_USB_SUSPEND option has been eliminated.)
+
What is Remote Wakeup?
----------------------
@@ -206,10 +210,8 @@ initialized to 5. (The idle-delay values for already existing devices
will not be affected.)
Setting the initial default idle-delay to -1 will prevent any
-autosuspend of any USB device. This is a simple alternative to
-disabling CONFIG_USB_SUSPEND and rebuilding the kernel, and it has the
-added benefit of allowing you to enable autosuspend for selected
-devices.
+autosuspend of any USB device. This has the benefit of allowing you
+then to enable autosuspend for selected devices.
Warnings