On Thu, Sep 25, 2014 at 11:32:00AM +0100, Arnd Bergmann wrote:
> On Wednesday 24 September 2014 18:17:20 Will Deacon wrote:
> > {read,write}{b,w,l,q}_relaxed are implemented by some architectures in
> > order to permit memory-mapped I/O accesses with weaker barrier semantics
> > than the non-relaxed variants.
> >
> > This patch adds wrappers to asm-generic so that drivers can rely on the
> > relaxed accessors being available, even if they don't always provide
> > weaker ordering guarantees. Since some architectures both include
> > asm-generic/io.h and define some relaxed accessors, the definitions here
> > are conditional for the time being.
> >
> > Cc: Arnd Bergmann <arnd@xxxxxxxx>
> > Signed-off-by: Will Deacon <will.deacon@xxxxxxx>
> > ---
> > include/asm-generic/io.h | 26 ++++++++++++++++++++++++++
> > 1 file changed, 26 insertions(+)
> >
>
> Acked-by: Arnd Bergmann <arnd@xxxxxxxx>
Thanks, Arnd. Do you have other patches queued for asm-generic, or shall I
take this patch (on its own) via the arm64 tree?
Will
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