Broken since:

| commit 72e561b
| Author: Sascha Hauer <s.hauer@pengutronix.de>
| Date:   Fri Jul 19 12:07:05 2013 +0200
|
|     ARM: omap4: Use writel where appropriate
|
|     Instead of making a pure 32bit write to a read/modify/write
|     operation with sr32 use writel directly. This saves a few bytes
|     of binary space.
|
|     Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
|

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>