Subject: [PATCH v4 6/8] asm-generic/io.h: Implement generic {read,write}s*()

From: [email-masked] (Thierry Reding)
Date: Mon, 29 Sep 2014 10:59:09 +0200

On Mon, Sep 29, 2014 at 10:54:34AM +0200, Geert Uytterhoeven wrote:
> On Wed, Aug 13, 2014 at 12:28 PM, Thierry Reding
> <[email-masked]> wrote:
> > #ifndef memset_io
> > -#define memset_io(a, b, c)     memset(__io_virt(a), (b), (c))
> > +#define memset_io memset_io
> > +static inline void memset_io(void __iomem *addr, int value, size_t size)
> > +{
> > +       memset(__io_virt(addr), value, size);
> > +}
> >  #endif
> 
> xtensa/allmodconfig:
> 
> include/asm-generic/io.h:820:2: error: implicit declaration of
> function 'memset' [-Werror=implicit-function-declaration]
> include/asm-generic/io.h:829:2: error: implicit declaration of
> function 'memcpy' [-Werror=implicit-function-declaration]
> arch/xtensa/include/asm/string.h:110:14: error: conflicting types for 'memset'
> arch/xtensa/include/asm/string.h:113:14: error: conflicting types for 'memcpy'
> 
> http://kisskb.ellerman.id.au/kisskb/buildresult/12028900/

I think this can be fixed by including linux/string.h for memset() and
memcpy() in include/asm-generic/io.h.

Thanks,
Thierry
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