[PATCH v2 2/4] asm-generic: partially sync io.h with linux kernel

[Sascha Hauer]

Hi Oleksij,

On Fri, Aug 18, 2017 at 03:57:05PM +0200, Oleksij Rempel wrote:
> Signed-off-by: Oleksij Rempel <linux at rempel-privat.de>
> ---
>  include/asm-generic/io.h | 229 +++++++++++++++++++++++++++++++++++++++++------
>  1 file changed, 201 insertions(+), 28 deletions(-)
> 
> diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h
> index 8d83d6806..a3192bae6 100644
> --- a/include/asm-generic/io.h
> +++ b/include/asm-generic/io.h
> @@ -69,50 +69,114 @@ static inline void __raw_writeq(u64 b, volatile void __iomem *addr)
>  #endif
>  
>  #ifndef PCI_IOBASE
> -#define PCI_IOBASE ((void __iomem *) 0)
> +#define PCI_IOBASE ((void __iomem *)0)
> +#endif
> +
> +#ifndef IO_SPACE_LIMIT
> +#define IO_SPACE_LIMIT 0xffff
>  #endif

When compiling imx_v7_defconfig this change results in tons of:

arch/arm/include/asm/io.h:6:0: warning: "IO_SPACE_LIMIT" redefined
#define IO_SPACE_LIMIT 0
^

Sascha

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