From: Ajay Kumar Gupta <ajay.gupta@ti.com>
Date: Fri, 8 Jul 2011 09:36:13 +0000 (+0530)
Subject: usb: musb: restore INDEX register in resume path
X-Git-Tag: v2.6.33.17~31
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5aa8a93b5d44724f1f63357b300eca208fb069d0;p=thirdparty%2Fkernel%2Fstable.git

usb: musb: restore INDEX register in resume path

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@ti.com>
Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index e176a06ed0102..2413c0fcac6d3 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -1640,6 +1640,7 @@ void musb_dma_completion(struct musb *musb, u8 epnum, u8 transmit)
 			}
 		}
 	}
+	musb_writeb(musb_base, MUSB_INDEX, musb->context.index);
 }
 
 #else