From: u.kleine-koenig@pengutronix.de (Uwe Kleine-König)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 4/6] ARM: mx3/mx31moboard: properly allocate memory for mx3-camera
Date: Mon, 4 Apr 2011 17:05:49 +0200 [thread overview]
Message-ID: <20110404150549.GC13963@pengutronix.de> (raw)
In-Reply-To: <201103070900.45258.philippe.retornaz@epfl.ch>
On Mon, Mar 07, 2011 at 09:00:45AM +0100, Philippe R?tornaz wrote:
> Le vendredi, 4 mars 2011 21.51:20, Uwe Kleine-K?nig a ?crit :
> > It's not allowed to create an alias of system RAM for DMA. So the memory
> > used must not be allocated using dma_alloc_coherent but has to be reserved
> > before using memblock routines.
> >
> > There is no need to memzero the buffer because dma_alloc_coherent zeros
> > the memory for us.
> >
> > Signed-off-by: Uwe Kleine-K?nig <u.kleine-koenig@pengutronix.de>
>
> Thank you very much for this patch !
Is this an Ack?
Best regards
Uwe
--
Pengutronix e.K. | Uwe Kleine-K?nig |
Industrial Linux Solutions | http://www.pengutronix.de/ |
next prev parent reply other threads:[~2011-04-04 15:05 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-04 20:50 [PATCH 0/6] move mach-mx3/* to mach-imx Uwe Kleine-König
2011-03-04 20:51 ` [PATCH 1/6] ARM: mxc91231: select MXC_AVIC Uwe Kleine-König
2011-03-04 20:51 ` [PATCH 2/6] ARM: mx3: dynamically allocate "mxc_rtc" devices Uwe Kleine-König
2011-03-04 20:51 ` [PATCH 3/6] ARM: mx3/pcm037: properly allocate memory for mx3-camera Uwe Kleine-König
2011-03-04 20:51 ` [PATCH 4/6] ARM: mx3/mx31moboard: " Uwe Kleine-König
2011-03-07 8:00 ` Philippe Rétornaz
2011-04-04 15:05 ` Uwe Kleine-König [this message]
2011-04-06 9:40 ` Philippe Rétornaz
2011-03-04 20:51 ` [PATCH 5/6] [RFC] ARM: mx3: dynamically allocate "ipu-core" devices Uwe Kleine-König
2011-03-04 20:51 ` [PATCH 6/6] ARM: imx: move mx3 support to mach-imx Uwe Kleine-König
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