linux-kernel - Re: [PATCH] ata: libata depends on HAS

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Date:	Wed, 13 May 2009 10:55:09 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Brad Boyer <flar@...andria.com>,
	Michael Schmitz <schmitz@...phys.uni-duesseldorf.de>,
	Arnd Bergmann <arnd@...db.de>, linux-kernel@...r.kernel.org,
	Jeff Garzik <jgarzik@...ox.com>, linux-ide@...r.kernel.org,
	takata@...ux-m32r.org, linux-m68k@...r.kernel.org,
	ysato@...rs.sourceforge.jp
Subject: Re: [PATCH] ata: libata depends on HAS_DMA

On Wed, May 13, 2009 at 10:51, Alan Cox <alan@...rguk.ukuu.org.uk> wrote:
>> > If it doesn't interfere with plain PIO mode, fine.
>>
>> I agree. There definitely needs to still be support for IDE ports that
>> don't have DMA capability.
>
> There is - it's just if the platform doesn't implement the dma_* APIs you
> get a problem.

Note that there are other things missing on m68k and m32r, that's why
Al added the

| depends on !(M32R || M68K) || BROKEN

commit 9317fd4c60962d3a9423b5f9bb5d1b10cf8a0699
Author: Al Viro <viro@....linux.org.uk>
Date:   Sun Sep 24 23:40:00 2006 +0100

    [PATCH] libata won't build on m68k and m32r

    no ioread*(), for one thing

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds
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