Hi,
On Thu, Nov 01, 2012 at 11:06:58AM -0400, David Miller wrote:
> From: Bjørn Mork <bjorn@xxxxxxx>
> Date: Thu, 01 Nov 2012 14:38:29 +0100
>
> > Felipe Balbi <balbi@xxxxxx> writes:
> >
> >> btw, only alpha and x86 seem to be providing all of those, but if you
> >> look into our documentation, it's said that drivers are supposed to use
> >> write/read{b,w,l,q} for all memory-mapped io. I'd expect all platforms
> >> to provide those even if just to allow compilation of drivers.
> >
> > Only if HAS_IOMEM is true, I believe.
>
> This is correct.
fair enough, then we can depend on HAS_IOMEM.
Another question, if HAS_IOMEM is true, is the arch expected to provide
*all* accessor methods ? And the last one: if the arch provides
read/write{b,w,l,q}, should it be selecting HAS_IOMEM ??
cheers, thanks
--
balbi
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