[PATCH] ARM: allow, but warn, when issuing ioremap() on RAM

[Dave Airlie]

>
> The few drivers that may be hit by this are typically in drivers/staging
> exactly because issues like this have not been fixed yet.
>
> We should probably just fix the non-staging drivers that are hit by
> this now and declare the issue done.
>
> When you say that "many drivers broken", can you list the ones you know
> about? It would probably help resolve this the right way.

I'm guessing some closed source graphics drivers for ARM do all kinds
of wrong crap, and Nokia use them a lot, and nobody wants to tell the
closed vendors to change their drivers because it costs money.

Dave.