[PATCH] ARM: rpi: fix reading of the EMMC clock for CONFIG_MMU

[Andre Heider]

On Wed, Oct 16, 2013 at 09:32:09AM +0200, Lucas Stach wrote:
> Am Dienstag, den 15.10.2013, 19:38 +0200 schrieb Andre Heider:
> > Add explicit flushing to prevent the 50MHz fallback.
> > 
> Uh, this is pretty ugly. We certainly don't want all those explicit
> invalidates/flushes in the driver code. Isn't it possible to push this
> into some helper functions, that do the right thing when communicating
> with the mailboxes?

Sure, as of now this was just the only mbox user. So I hacked away to
prevent regressions under CONFIG_MMU ;)

But I planned to work on exactly that, since we want to use mbox for
other things too (like setting up simplefb for the kernel).

Regards,
Andre