On Thu, May 22, 2014 at 05:47:26PM +0100, Will Deacon wrote:
> 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 dummy macros for the write accessors to sparc, in the
> same vein as the dummy definitions for the relaxed read accessors. The
> existing relaxed read{b,w,l} accessors are moved into asm/io.h, since
> they are identical between 32-bit and 64-bit machines.
>
> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
> Signed-off-by: Will Deacon <will.deacon@xxxxxxx>
Look good:
Acked-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
But you should wait for David's ack too.
Sam
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