linux-kernel - Re: [microblaze-uclinux] [PATCH 12/12] microblaze: use generic dma-mapping-broken.h

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Message-Id: <200905120229.36047.arnd@arndb.de>
Date:	Tue, 12 May 2009 02:29:35 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Stephen Neuendorffer <stephen.neuendorffer@...inx.com>
Cc:	microblaze-uclinux@...e.uq.edu.au,
	"Michal Simek" <monstr@...str.eu>, linux-kernel@...r.kernel.org,
	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Subject: Re: [microblaze-uclinux] [PATCH 12/12] microblaze: use generic dma-mapping-broken.h

On Tuesday 12 May 2009, Stephen Neuendorffer wrote:
> 
> Gah... considering the ll_temac needs this, it should get implemented
> ASAP...
> (Yeah, I know... just not enough hours in the day.)
> 

FUJITA Tomonori has just posted an asm-generic version of dma-mapping.h,
which is half complete. For microblaze, it should be easy to add the
missing functions, basically falling back on get_free_pages for all
allocations and on page_to_phys for the actual mapping, as in
arch/powerpc/kernel/dma.c.

	Arnd <><
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