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SubjectRe: [PATCH v2 1/3] asm-generic/io.h: Implement generic {read,write}s*()
On Fri, Jul 11, 2014 at 04:31:10PM +0100, Thierry Reding wrote:
> From: Thierry Reding <treding@nvidia.com>
>
> This patch implements generic versions of readsb(), readsw(), readsl(),
> readsq(), writesb(), writesw(), writesl() and writesq(). Variants of
> these string functions for I/O accesses (ins*() and outs*() as well as
> ioread*_rep() and iowrite*_rep()) are now implemented in terms of the
> new functions.
>
> While at it, also make sure that any of the functions provided as
> fallback for architectures that don't override them can't be overridden
> subsequently.
>
> This is compile- and runtime-tested on 32-bit and 64-bit ARM and compile
> tested on Microblaze, s390, SPARC and Xtensa. For ARC, Blackfin, Metag,
> OpenRISC, Score and Unicore32 which also use asm-generic/io.h I couldn't
> find or build a cross-compiler that would run on my system. But by code
> inspection they shouldn't break with this patch.
>
> Signed-off-by: Thierry Reding <treding@nvidia.com>

Acked-by: Catalin Marinas <catalin.marinas@arm.com>


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