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Date:	Thu, 17 Jul 2014 19:20:11 +0800
From:	Chen Gang <>
To:	Thierry Reding <>,
	Arnd Bergmann <>
CC:	Guenter Roeck <>,
	Richard Weinberger <>,
	Lars-Peter Clausen <>,
	Greg Kroah-Hartman <>,,,
	Benjamin Herrenschmidt <>,,
	Lennox Wu <>, Marek Vasut <>,
	Liqin Chen <>,,,,,,
	"" <>,, Martin Schwidefsky <>,,,
	Geert Uytterhoeven <>,
	Liqin Chen <>,
	Lennox Wu <>
Subject: Re: [PATCH] drivers: Let several drivers depends on HAS_IOMEM for

On 07/17/2014 06:55 PM, Thierry Reding wrote:
> On Thu, Jul 17, 2014 at 12:33:32PM +0200, Arnd Bergmann wrote:
>> On Thursday 17 July 2014 11:56:58 Thierry Reding wrote:
>>> On Thu, Jul 17, 2014 at 11:20:36AM +0200, Arnd Bergmann wrote:
>>> [...]
>>>>                       score should set HAS_IOMEM and doesn't
>>>> even have public compilers
>>> This begs an interesting question. Should it be made a requirement to
>>> have publicly available compilers for new architectures so that they can
>>> at least be compile-tested? Preferably this would of course be in source
>>> form so that there aren't any dependencies on the distribution.
>> The question has come up a few times. I wouldn't mandate that the port
>> has an upstream gcc (you've got to start mainlining one of them first
>> after all), but having compilers available for download should probably be
>> required. It's hard to ask for a particular quality of that gcc port
>> though, or to expect it to stay available online.
>> Where did you find the gcc port for score?
> It's upstream, though marked obsolete and to be removed in the next
> release... =)

For me, I get the latest gcc version and binutils source code, and fix 2
bugs (one for gas, which always generate core dump, the other for gcc
c-decl, fix it together with the other gcc members).

And I only finish compiling raw cross-compiler (--without-headers),
after make some patches, can let score pass allmodconfig.

At present, it seems the score cross-compiler still contents some issue
which I shall try to analyse (it is about link symbols), and maybe need
communicate with gcc/binutils members.

At present, the related score maintainers are still active in upstream
kernel, so we also need the related maintainers' ideas and suggestions.

Chen Gang

Open, share, and attitude like air, water, and life which God blessed
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