[regression] in linux-next: sh_mobile_ceu_camera broken by "ARM: Prohibit ioremap() on kernel managed RAM"

[Russell King - ARM Linux]

On Tue, Aug 10, 2010 at 10:45:03AM +0200, Philippe Rétornaz wrote:
> Le dimanche, 8 août 2010 17.45:26, Arnd Hannemann a écrit :
> > Hi Russell,
> > 
> > your commit 309caa9cc6ff39d261264ec4ff10e29489afc8f8
> > ARM: Prohibit ioremap() on kernel managed RAM
> > 
> > lets drivers/base/dma-coherent.c::dma_declare_coherent_memory()
> > fail for the sh_mobile_ceu_camera driver (see backtrace below).
> > I think, other configurations (i.MX31 users of the mx3_camera driver:
> > pcm037 and mx31moboard) will have the same problem.
> > 
> > Since I have no idea how to fix this, I post this regression report here...
> 
> Have you found a solution to this problem ? As you said, the mx3_camera driver 
> doesn't work anymore on mx31moboard.

MX3 is ARMv6 which has the architectural restriction as well I'm afraid.