All of lore.kernel.org
 help / color / mirror / Atom feed
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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20130617134304.GD10671@intel.com \
    --to=vinod.koul@intel.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.