All of lore.kernel.org
 help / color / mirror / Atom feed
From: Stefano Babic <sbabic@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] i.MX28: Allow coexistence of PIO and DMA mode for SD/MMC
Date: Thu, 05 Apr 2012 14:28:54 +0200	[thread overview]
Message-ID: <4F7D9006.2000505@denx.de> (raw)
In-Reply-To: <201204051417.20846.marex@denx.de>

On 05/04/2012 14:17, Marek Vasut wrote:

> 
> What do you mean? DMA is used for NAND ever since, I just recently tried 
> enabling it also for MMC.

Sorry, I have not read accurately - we have two different CONFIG_

>> Anyway, I am not saying we should introduce a new switch, but maybe we
>> should drop DMA support in msx_mmc for this release avoiding confusion.
>> The current status with DMA support can be re-enabled on a -next branch.
> 
> Maybe adding comment to that switch that it's experimental and that it should be 
> off to avoid problems would be enough?

Yes. We need to make clear that DMA on MMC is in a working status.

Stefano

-- 
=====================================================================
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de
=====================================================================

  reply	other threads:[~2012-04-05 12:28 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-04 21:51 [U-Boot] [PATCH] i.MX28: Enable SD DMA only if DCache enabled Marek Vasut
2012-04-04 23:12 ` Fabio Estevam
2012-04-05  0:48   ` Marek Vasut
2012-04-05  3:36     ` Fabio Estevam
2012-04-05 10:08       ` Marek Vasut
2012-04-06  0:34     ` Fabio Estevam
2012-04-06  1:03       ` Marek Vasut
2012-04-05 10:24 ` [U-Boot] [PATCH] i.MX28: Allow coexistence of PIO and DMA mode for SD/MMC Marek Vasut
2012-04-05 12:12   ` Stefano Babic
2012-04-05 12:17     ` Marek Vasut
2012-04-05 12:28       ` Stefano Babic [this message]
2012-04-05 13:30   ` [U-Boot] [PATCH V3] " Marek Vasut
2012-04-09 10:57     ` Stefano Babic

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=4F7D9006.2000505@denx.de \
    --to=sbabic@denx.de \
    --cc=u-boot@lists.denx.de \
    /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.