linux-kernel - Re: [PATCH v2 3/5] MIPS: Loongson64: Enlarge IO_SPACE

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Message-ID: <20200722093023.GA8813@alpha.franken.de>
Date:   Wed, 22 Jul 2020 11:30:23 +0200
From:   Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To:     Jiaxun Yang <jiaxun.yang@...goat.com>
Cc:     linux-mips@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Huacai Chen <chenhc@...ote.com>,
        Frank Rowand <frowand.list@...il.com>,
        Paul Burton <paulburton@...nel.org>,
        Nathan Chancellor <natechancellor@...il.com>,
        Arnd Bergmann <arnd@...db.de>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 3/5] MIPS: Loongson64: Enlarge IO_SPACE_LIMIT

On Tue, Jul 21, 2020 at 10:17:31PM +0800, Jiaxun Yang wrote:
> It can be very big on LS7A PCH systems.
> 
> Signed-off-by: Jiaxun Yang <jiaxun.yang@...goat.com>
> ---
>  arch/mips/include/asm/io.h                     | 3 ++-
>  arch/mips/include/asm/mach-loongson64/spaces.h | 3 +--
>  2 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
> index 346fffd9e972..0072489325fa 100644
> --- a/arch/mips/include/asm/io.h
> +++ b/arch/mips/include/asm/io.h
> @@ -50,8 +50,9 @@
>  # define __relaxed_ioswabq ioswabq
>  
>  /* ioswab[bwlq], __mem_ioswab[bwlq] are defined in mangle-port.h */
> -
> +#ifndef IO_SPACE_LIMIT
>  #define IO_SPACE_LIMIT 0xffff
> +#endif

please move this to include/asm/mach-generic/spaces.h

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]