Re: [PATCH 18/18] asm-generic: io: define relaxed accessor macros unconditionally

From: Will Deacon
Date: Tue Apr 22 2014 - 11:19:07 EST


Hi Michal,

On Tue, Apr 22, 2014 at 03:09:46PM +0100, Michal Simek wrote:
> On 04/17/2014 03:44 PM, Will Deacon wrote:
> > Now that no architectures using asm-generic/io.h define their own relaxed
> > accessors, the dummy definitions can be used unconditionally.
> >
> > Cc: Arnd Bergmann <arnd@xxxxxxxx>
> > Signed-off-by: Will Deacon <will.deacon@xxxxxxx>
> > ---
> > include/asm-generic/io.h | 18 ------------------
> > 1 file changed, 18 deletions(-)
>
> Do we need this? I think there could be a need to overwrite them.
> Currently we are just lucky that architecture which uses asm-generic/io.h
> don't need to overwrite it.
> But I expect that all archs should use asm-generic/io.h to clean
> architecture io.h exactly I have done it for Microblaze.

I'm open to keeping the conditional definitions, but it introduces a
discrepancy with the non-relaxed versions, which are defined unconditionally
(although the underlying __raw_* accessors can be overridden).

Will
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