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From: vinod.koul@intel.com (Vinod Koul)
To: linux-arm-kernel@lists.infradead.org
Subject: MUSB multiplatform work?
Date: Mon, 17 Jun 2013 19:13:04 +0530	[thread overview]
Message-ID: <20130617134304.GD10671@intel.com> (raw)
In-Reply-To: <CAJe_ZheT6q6YnWU=1_bdwGE4-n9WNJyADFQ_TpQckuVfYai7zw@mail.gmail.com>

On Wed, Jun 12, 2013 at 05:27:53PM +0530, Jassi Brar wrote:
> IIRC,  TI's Sundaram Raju proposed a TI specific api to DMAEngine for
> this very purpose, which was generalized into
> device_prep_interleaved_dma().  Which I think should already be enough
> to serve the purpose. Is it not?
The interleaved for having to get/set data from interleaved or an 2d array.
Think of a raw image from camera where you need to get some region only and skip
rest. In those case interleaved API helps

Here this is just normal slave DMA with changing FIFO address and which just
loops over the FIFO value

--
~Vinod

  reply	other threads:[~2013-06-17 13:43 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-27 15:02 MUSB multiplatform work? Arnd Bergmann
2013-05-28 16:35 ` Felipe Balbi
2013-05-30 20:18   ` Tony Lindgren
2013-05-30 20:21     ` Linus Walleij
2013-05-30 20:31       ` Tony Lindgren
2013-05-30 21:19         ` Linus Walleij
2013-06-12 10:05           ` Vinod Koul
2013-06-12 11:57             ` Jassi Brar
2013-06-17 13:43               ` Vinod Koul [this message]
2013-06-17 15:57                 ` Jassi Brar
2013-06-01 11:41         ` Jassi Brar
2013-05-30 20:54     ` Tony Lindgren
2013-05-31  4:00       ` Felipe Balbi
2013-05-31 17:52         ` Tony Lindgren

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