[Intel-gfx] [PATCH] io-mapping: Fixup for different names of writecombine

[Chris Wilson]

On Tue, Aug 23, 2016 at 10:22:33PM +0200, Daniel Vetter wrote:
> Somehow architectures can't agree on this. And for good measure make
> sure we have a fallback which should work everywhere (fingers
> crossed).
> 
> This is to fix a compile fail on microblaze in gpiolib-of.c, which
> misguidedly includes io-mapping.h (instead of screaming at whichever
> achitecture doesn't correctly pull in asm/io.h from linux/io.h).
> 
> Not tested since there's no reasonable way to get at microblaze
> toolchains :(
> 
> Fixes: ac96b5566926 ("io-mapping.h: s/PAGE_KERNEL_IO/PAGE_KERNEL/")
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
> Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> Cc: linux-mm at kvack.org
> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>

As mentioned I'm looking at reducing the number of unused includes of
io-mapping.h, discussion in progress over at gpio/mlx4.

On the positive side, this does at least mean the WC pgprot mess is
hidden away in the header!

Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre