linux-arm-kernel.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4] MTD: LPC32xx SLC NAND driver
Date: Sun, 3 Jun 2012 21:37:49 +0100	[thread overview]
Message-ID: <20120603203749.GD23368@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <4FCBBFD4.9090401@antcom.de>

On Sun, Jun 03, 2012 at 09:49:40PM +0200, Roland Stigge wrote:
> Hi!
> 
> Thanks for the suggestions!
> 
> On 03/06/12 21:09, Russell King - ARM Linux wrote:
> >> +	dma_async_issue_pending(host->dma_chan);
> >> +
> >> +	wait_for_completion_timeout(&host->comp, msecs_to_jiffies(1000));
> > 
> > What about unmapping the buffer upon completion?
> 
> OK - by not specifying DMA_COMPL_SKIP_*_UNMAP in flags, I was thinking
> that this happens somehow magically. ;-) But maybe I was just confused.

Slave transfers should never be automatically unmapped by the DMA engine
driver.

      reply	other threads:[~2012-06-03 20:37 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-03 18:38 [PATCH v4] MTD: LPC32xx SLC NAND driver Roland Stigge
2012-06-03 19:09 ` Russell King - ARM Linux
     [not found]   ` <4FCBBABF.5080507@gmail.com>
2012-06-03 19:33     ` PLEASE, REMOVE MY EMAIL ADDRESS FROM ITS LIST Russell King - ARM Linux
2012-06-03 23:07       ` William F.
2012-06-03 19:49   ` [PATCH v4] MTD: LPC32xx SLC NAND driver Roland Stigge
2012-06-03 20:37     ` Russell King - ARM Linux [this message]

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=20120603203749.GD23368@n2100.arm.linux.org.uk \
    --to=linux@arm.linux.org.uk \
    --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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).