USB: Allow autosuspend delay to equal 0

This patch (as867) adds an entry for the new power/autosuspend
attribute in Documentation/ABI/testing, and it changes the behavior of
the delay value.  Now a delay of 0 means to autosuspend as soon as
possible, and negative values will prevent autosuspend.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/usb.h b/include/linux/usb.h
index 87dc75a6cee1..cc24d089faa0 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -394,7 +394,7 @@ struct usb_device {
         struct delayed_work autosuspend; /* for delayed autosuspends */
         struct mutex pm_mutex;          /* protects PM operations */
 
-        unsigned autosuspend_delay;     /* in jiffies */
+        int autosuspend_delay;          /* in jiffies */
 
         unsigned auto_pm:1;             /* autosuspend/resume in progress */
         unsigned do_remote_wakeup:1;    /* remote wakeup should be enabled */