From: Matthieu CASTET <matthieu.castet@parrot.com>
To: Paul Mundt <lethal@linux-sh.org>,
Magnus Damm <magnus.damm@gmail.com>,
<linux-media@vger.kernel.org>, <paulius.zaleckas@teltonika.lt>,
<g.liakhovetski@gmx.de>, <matthieu.castet@parrot.com>
Subject: Re: [PATCH] videobuf-dma-contig: remove sync operation
Date: Tue, 5 May 2009 09:28:06 +0200 [thread overview]
Message-ID: <49FFEA86.5080508@parrot.com> (raw)
In-Reply-To: <20090428085120.GC15695@linux-sh.org>
Paul Mundt a écrit :
> On Tue, Apr 28, 2009 at 05:45:39PM +0900, Magnus Damm wrote:
>> From: Magnus Damm <damm@igel.co.jp>
>>
>> Remove the videobuf-dma-contig sync operation. Sync is only needed
>> for noncoherent buffers, and since videobuf-dma-contig is built on
>> coherent memory allocators the memory is by definition always in sync.
>>
> Note that this also fixes a bogus oops, which is what caused this to be
> brought up in the first place..
>
>> Reported-by: Matthieu CASTET <matthieu.castet@parrot.com>
>> Signed-off-by: Magnus Damm <damm@igel.co.jp>
>> ---
>>
>> Thanks to Mattieu, Paul and Paulius for all the help!
>> Tested on SH7722 Migo-R with CEU and ov7725.
>>
>> drivers/media/video/videobuf-dma-contig.c | 14 --------------
>> 1 file changed, 14 deletions(-)
>>
> Reviewed-by: Paul Mundt <lethal@linux-sh.org>
Test-by : Matthieu CASTET <matthieu.castet@parrot.com>
Well I backport it on a older kernel (2.6.27), but the result should be
the same.
prev parent reply other threads:[~2009-05-05 8:02 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-28 8:45 [PATCH] videobuf-dma-contig: remove sync operation Magnus Damm
2009-04-28 8:51 ` Paul Mundt
2009-05-05 7:28 ` Matthieu CASTET [this message]
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