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From: Ralf Baechle <ralf@linux-mips.org>
To: Manuel Lauss <manuel.lauss@googlemail.com>
Cc: Linux-MIPS <linux-mips@linux-mips.org>,
	Manuel Lauss <manuel.lauss@gmail.com>
Subject: Re: [PATCH 2/2] MIPS: Alchemy: change dbdma to accept physical memory addresses
Date: Tue, 13 Oct 2009 23:01:25 +0200	[thread overview]
Message-ID: <20091013210125.GB16628@linux-mips.org> (raw)
In-Reply-To: <1255458155-14469-2-git-send-email-manuel.lauss@gmail.com>

On Tue, Oct 13, 2009 at 08:22:35PM +0200, Manuel Lauss wrote:

> DMA can only be done from physical addresses;
> move the "virt_to_phys" source/destination buffer address translation
> from the dbdma queueing functions (since the hardware can only DMA
> to/from physical addresses) to their respective users.
> 
> Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
> ---
> All affected drivers still run fine on the DB1200, so I assume it's
> working right (au1550_ac97.c is untested).

Queued for 2.6.32.  Thanks,

  Ralf

  reply	other threads:[~2009-10-13 21:00 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-10-13 18:22 [PATCH 1/2] MIPS: Alchemy: remove dbdma compat macros Manuel Lauss
2009-10-13 18:22 ` [PATCH 2/2] MIPS: Alchemy: change dbdma to accept physical memory addresses Manuel Lauss
2009-10-13 21:01   ` Ralf Baechle [this message]
2009-10-13 21:01 ` [PATCH 1/2] MIPS: Alchemy: remove dbdma compat macros Ralf Baechle

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