[19/50] usb: musb: restore INDEX register in resume path

[Greg KH]

2.6.33-longterm review patch.  If anyone has any objections, please let us know.

------------------

From: Ajay Kumar Gupta <ajay.gupta@xxxxxx>

commit 3c5fec75e121b21a2eb35e5a6b44291509abba6f upstream.

Restoring the missing INDEX register value in musb_restore_context().
Without this suspend resume functionality is broken with offmode
enabled.

Acked-by: Anand Gadiyar <gadiyar@xxxxxx>
Signed-off-by: Ajay Kumar Gupta <ajay.gupta@xxxxxx>
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 drivers/usb/musb/musb_core.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -1640,6 +1640,7 @@ void musb_dma_completion(struct musb *mu
 			}
 		}
 	}
+	musb_writeb(musb_base, MUSB_INDEX, musb->context.index);
 }
 
 #else


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