From: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
To: linux-sh@vger.kernel.org
Subject: Re: [PATCH v3] dmaengine: sh: Add Support SuperH DMA Engine driver
Date: Thu, 02 Apr 2009 09:16:47 +0000 [thread overview]
Message-ID: <49D4827F.6080906@renesas.com> (raw)
In-Reply-To: <49C9D558.7030002@renesas.com>
Hi, Dan.
Thank you for your commnets.
Dan Williams wrote:
> Paul Mundt wrote:
>> On Wed, Mar 25, 2009 at 03:55:20PM +0900, Nobuhiro Iwamatsu wrote:
>>> This supported all DMA channels, and it was tested in SH7722,
>>> SH7780 and SH7763.
>>> This can not use with SH DMA API.
>>>
>>> Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
>>> Reviewed-by: Matt Fleming <matt@console-pimps.org>
>>
>> I don't know why you dropped Dan from the CC, but you need his Acked-by
>> or Reviewed-by before this can be merged.
>
> Thanks Paul.
>
> This version still has the problem of up leveling the descriptor lock to
> spin_lock_irqsave from spin_lock_bh. This poses a problem for
> completion callback support where callbacks assume that interrupts are
> enabled, like a timer callback. I have also spotted a new problem below:
>
I understood. I fix your undication part.
Best regards,
Nobuhiro
prev parent reply other threads:[~2009-04-02 9:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-25 6:55 [PATCH v3] dmaengine: sh: Add Support SuperH DMA Engine driver Nobuhiro Iwamatsu
2009-03-30 22:55 ` Paul Mundt
2009-03-31 12:05 ` Sosnowski, Maciej
2009-03-31 16:01 ` Dan Williams
2009-04-02 9:14 ` Nobuhiro Iwamatsu
2009-04-02 9:16 ` Nobuhiro Iwamatsu [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=49D4827F.6080906@renesas.com \
--to=iwamatsu.nobuhiro@renesas.com \
--cc=linux-sh@vger.kernel.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.