EHCI: add debugging message to ehci_bus_suspend

This patch (as848) adds a useful little debugging message to let us
know when ehci-hcd's bus_suspend method runs.  The other HCDs have
similar messages; now ehci-hcd doesn't need to feel left out.

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

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index 0d83c6df1a3b..9af529d22b3e 100644
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -36,6 +36,8 @@ static int ehci_bus_suspend (struct usb_hcd *hcd)
         int                     port;
         int                     mask;
 
+        ehci_dbg(ehci, "suspend root hub\n");
+
         if (time_before (jiffies, ehci->next_statechange))
                 msleep(5);