From: Ralf Baechle <ralf@linux-mips.org>
To: David Daney <ddaney@caviumnetworks.com>
Cc: linux-mips@linux-mips.org, "Paoletti,
Tomaso" <Tomaso.Paoletti@caviumnetworks.com>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Subject: Re: [PATCH] Don't unmap the memory for dma_sync*.
Date: Sat, 18 Oct 2008 12:02:11 +0100 [thread overview]
Message-ID: <20081018110211.GA17322@linux-mips.org> (raw)
In-Reply-To: <48F93275.8010305@caviumnetworks.com>
On Fri, Oct 17, 2008 at 05:48:53PM -0700, David Daney wrote:
> Don't unmap the memory for dma_sync*.
>
> This must have been typo, it cannot have been correct.
Interesting ...
We were getting away with this for so long only because the only platform
(Jazz) with a non-empty plat_unmap_dma_mem() doesn't call
dma_sync_sg_for_cpu() and dma_sync_sg_for_device() from its commonly used
drivers.
Ralf
prev parent reply other threads:[~2008-10-18 11:02 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-18 0:48 [PATCH] Don't unmap the memory for dma_sync* David Daney
2008-10-18 11:02 ` Ralf Baechle [this message]
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