From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: linux-sh@vger.kernel.org
Subject: Re: [PATCH/RFC 0/5] R-Car Gen2 DMAC hardware descriptor list support
Date: Thu, 24 Jul 2014 00:12:01 +0000 [thread overview]
Message-ID: <1425454.6zkMb8kvSg@avalon> (raw)
In-Reply-To: <1406032431-3807-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com>
Hi Morimoto-san,
On Wednesday 23 July 2014 16:56:56 Kuninori Morimoto wrote:
[snip]
> > > 2. cyclic transfer doesn't work
> > >
> > > I got attached error.
> >
> > I'm not too surprised as I haven't tested cyclic DMA yet :-) I'll fix it.
>
> Hehehe :)
>
> Please let me know if you need my help
As explained in another e-mail I've run into issues with sleep operations in
atomic context, and I believe we first need to clarify the DMA engine API
requirements in term of contexts. Your opinion would be appreciated.
--
Regards,
Laurent Pinchart
prev parent reply other threads:[~2014-07-24 0:12 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-22 12:33 [PATCH/RFC 0/5] R-Car Gen2 DMAC hardware descriptor list support Laurent Pinchart
2014-07-23 2:17 ` Kuninori Morimoto
2014-07-23 10:28 ` Laurent Pinchart
2014-07-23 11:07 ` DMA engine API issue (was: [PATCH/RFC 0/5] R-Car Gen2 DMAC hardware descriptor list support) Laurent Pinchart
2014-07-24 0:46 ` Kuninori Morimoto
2014-07-24 1:35 ` Kuninori Morimoto
2014-07-24 4:59 ` Vinod Koul
2014-07-24 4:58 ` Vinod Koul
2014-08-01 8:51 ` Laurent Pinchart
2014-08-01 14:30 ` Russell King - ARM Linux
2014-08-01 17:21 ` Vinod Koul
2014-08-04 13:47 ` Geert Uytterhoeven
2014-08-04 17:00 ` Laurent Pinchart
2014-08-04 17:54 ` Russell King - ARM Linux
2014-08-05 23:19 ` Laurent Pinchart
2014-08-06 7:17 ` Geert Uytterhoeven
2014-08-06 11:04 ` Arnd Bergmann
2014-08-01 17:19 ` Vinod Koul
2014-08-04 16:50 ` Laurent Pinchart
2014-08-04 18:03 ` DMA engine API issue Lars-Peter Clausen
2014-08-04 18:32 ` Russell King - ARM Linux
2014-08-04 23:12 ` Laurent Pinchart
2014-08-05 17:08 ` DMA engine API issue (was: [PATCH/RFC 0/5] R-Car Gen2 DMAC hardware descriptor list support) Vinod Koul
2014-07-24 12:29 ` [alsa-devel] DMA engine API issue Lars-Peter Clausen
2014-07-24 12:51 ` DMA engine API issue (was: [PATCH/RFC 0/5] R-Car Gen2 DMAC hardware descriptor list support) Russell King - ARM Linux
2014-08-01 9:24 ` Laurent Pinchart
2014-07-23 9:48 ` [PATCH/RFC 0/5] R-Car Gen2 DMAC hardware descriptor list support Laurent Pinchart
2014-07-23 23:56 ` Kuninori Morimoto
2014-07-24 0:12 ` Laurent Pinchart [this message]
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