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-rw-r--r--Documentation/usb/power-management.txt17
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
covered to some extent (see Documentation/power/*.txt for more
information about system PM).
-Note: Dynamic PM support for USB is present only if the kernel was
-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.)
+System PM support is present only if the kernel was built with CONFIG_SUSPEND
+or CONFIG_HIBERNATION enabled. Dynamic PM support for USB is present whenever
+the kernel was built with CONFIG_PM enabled.
+
+[Historically, dynamic PM support for USB was present only if the
+kernel had been built with CONFIG_USB_SUSPEND enabled (which depended on
+CONFIG_PM_RUNTIME). Starting with the 3.10 kernel release, dynamic PM support
+for USB was present whenever the kernel was built with CONFIG_PM_RUNTIME
+enabled. The CONFIG_USB_SUSPEND option had been eliminated.]
What is Remote Wakeup?