From: Tilman Schmidt <[email protected]>
Add a paragraph to Documentation/usb/power-management.txt about the
interaction between suspend and disconnect.
Signed-off-by: Tilman Schmidt <[email protected]>
---
--- linux-2.6/Documentation/usb/power-management.txt 2007-10-14 00:41:08.000000000 +0200
+++ linux-2.6.24-rc2-work/Documentation/usb/power-management.txt 2007-11-12 10:27:30.000000000 +0100
@@ -278,6 +278,12 @@
(although the interfaces will be in the same altsettings as
before the suspend).
+If the device is disconnected or powered down while it is suspended,
+the disconnect method will be called instead of the resume or
+reset_resume method. This will also happen if the system is resumed
+from hibernation, as the device could have been disconnected without
+the system being able to detect it.
+
The reset_resume method is used by the USB Persist facility (see
Documentation/usb/persist.txt) and it can also be used under certain
circumstances when CONFIG_USB_PERSIST is not enabled. Currently, if a
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