[PATCH] [32/50] usb: musb: restore INDEX register in resume path

Andi Kleen
2011-07-28T23:44:48Z

From: Ajay Kumar Gupta <ajay.gupta@ti.com>

[ upstream commit 3c5fec75e121b21a2eb35e5a6b44291509abba6f ]

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

Cc: stable@kernel.org
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: Andi Kleen <ak@linux.intel.com>

Index: linux-2.6.35.y/drivers/usb/musb/musb_core.c
===================================================================
--- linux-2.6.35.y.orig/drivers/usb/musb/musb_core.c
+++ linux-2.6.35.y/drivers/usb/musb/musb_core.c
@@ -1697,6 +1697,7 @@ void musb_dma_completion(struct musb *mu
}
}
}
+ musb_writeb(musb_base, MUSB_INDEX, musb->context.index);
}

#else