[PATCH 3/5] ARM: OMAP2: MUSB: Specify omap4 has mailbox

[Russell King - ARM Linux]

On Wed, Feb 06, 2013 at 11:28:11AM +0530, Kishon Vijay Abraham I wrote:
> Added has_mailbox to the musb platform data to specify that omap uses
> an external mailbox (in control module) to communicate with the musb
> core during device connect and disconnect.

So, I've been through your five patches looking for any other users of
"has_mailbox" and I can find none.  You introduce this in this patch,
and you set it.  But I don't see anything that uses it.

Write only variables are not useful.