From: arnd@arndb•de (Arnd Bergmann)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH V6 1/2] of: Add generic device tree DMA helpers
Date: Tue, 18 Sep 2012 12:50:05 +0000 [thread overview]
Message-ID: <201209181250.05647.arnd@arndb.de> (raw)
In-Reply-To: <20120917230615.GA26502@codeaurora.org>
On Monday 17 September 2012, David Brown wrote:
> There is also a lot of similarity between the mmci hardware and the
> msm_sdcc hardware. Enough so, that it is probably better for us to
> make the mmci driver work with our hardware, rather than trying to
> keep msm_sdcc going.
>
> There is also an MSM nand device that appears to have not made it in.
> It is heavily dependent on the weird features of the DMA hardware. I
> don't have any current plans to support this device, since most boards
> using MSMs these days are using mmc/sd instead of bare NAND.
>
> Our DMA hardware is really weird, but should be a bit reasonable. It
> is also being gradually replaced in newer chips with a different DMA
> framework.
>
> As far as I'm concerned, I consider making our DMA driver(s) use the
> DMA engine API to be part of getting these platforms working with DT.
>
> It is planned, but there are quite a few things that need to be
> tackled first.
Ok, thanks for the information.
Arnd
next prev parent reply other threads:[~2012-09-18 12:50 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-14 22:41 [PATCH V6 0/2] of: Add generic device tree DMA helpers Jon Hunter
2012-09-14 22:41 ` [PATCH V6 1/2] " Jon Hunter
2012-09-14 22:46 ` Stephen Warren
2012-09-15 0:14 ` Russell King - ARM Linux
2012-09-17 20:42 ` Arnd Bergmann
2012-09-17 23:06 ` David Brown
2012-09-18 12:50 ` Arnd Bergmann [this message]
2012-09-18 22:19 ` Mitch Bradley
2012-09-18 22:32 ` Russell King - ARM Linux
2012-09-19 11:09 ` Arnd Bergmann
2012-09-19 14:40 ` Mitch Bradley
2012-09-19 13:52 ` Matt Porter
2012-09-19 14:07 ` Matt Porter
2012-09-19 14:24 ` Arnd Bergmann
2012-09-19 14:36 ` Rob Herring
2012-09-19 14:40 ` Matt Porter
2012-09-19 14:50 ` Arnd Bergmann
2012-09-19 21:25 ` Mitch Bradley
2012-09-19 14:10 ` Rob Herring
2012-09-14 22:41 ` [PATCH V6 2/2] dmaengine: add helper function to request a slave DMA channel Jon Hunter
2012-09-17 3:33 ` Vinod Koul
2012-09-17 11:59 ` Arnd Bergmann
2012-09-17 22:36 ` Russell King - ARM Linux
2012-09-18 3:13 ` Vinod Koul
2012-09-18 13:21 ` Matt Porter
2012-09-18 15:20 ` Arnd Bergmann
2012-09-18 18:10 ` Russell King - ARM Linux
2012-09-24 22:25 ` Jon Hunter
2012-09-25 4:35 ` Vinod Koul
2012-10-16 2:43 ` Shawn Guo
2012-10-16 2:39 ` Vinod Koul
2012-11-09 20:01 ` Jon Hunter
2012-11-16 1:37 ` Vinod Koul
2012-11-16 8:39 ` Nicolas Ferre
2012-11-16 15:45 ` Jon Hunter
2012-11-28 17:06 ` Vinod Koul
2012-12-19 17:12 ` Jon Hunter
2012-12-20 14:57 ` Vinod Koul
2012-09-18 3:00 ` Vinod Koul
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