[PATCH] arm64: Define HAVE_ARCH_PIO_SIZE and related symbols.

[David Daney]

On 07/14/2015 10:04 AM, Will Deacon wrote:
> Hi David,
>
> On Tue, Jul 14, 2015 at 05:58:20PM +0100, David Daney wrote:
[...]
> We only get this definition if CONFIG_GENERIC_IOMAP=y. Why is that
> selected?
>

OK, Good question.

The original patch was against 3.18, but  commit 09a5723983e (arm64: Use 
include/asm-generic/io.h) changed some of this, so it may need 
reconsideration.

Let me reevaluate this patch.

Thanks,
David Daney