From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Vinod Koul <vinod.koul@intel.com>
Cc: Jose Abreu <Jose.Abreu@synopsys.com>,
"dmaengine@vger.kernel.org" <dmaengine@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
vireshk@kernel.org
Subject: Re: dmaengine: dw-dmac: Custom cyclic API (Why?)
Date: Mon, 02 Jan 2017 13:30:03 +0200 [thread overview]
Message-ID: <1483356603.9552.197.camel@linux.intel.com> (raw)
In-Reply-To: <20170102101802.GX3573@localhost>
On Mon, 2017-01-02 at 15:48 +0530, Vinod Koul wrote:
> On Mon, Jan 02, 2017 at 10:38:00AM +0200, Andy Shevchenko wrote:
> > On Fri, 2016-12-30 at 12:05 +0000, Jose Abreu wrote:
> > > ++dw-dmac Maintainers
> > I used to have some semi-finished patch to switch to generic API,
> > though
> > at that point I had no means to test it.
> >
> > Since I eventually got iDMA 32-bit, which is used as LPE Audio DMA
> > engine, support in my branch I might test it in the future, though I
> > think someone else would be much faster than me.
>
> no we can't, since the DSP is involved and takes control, so unless we
> do
> lots of nasty hacks, it won't be testable. I don't see the ROI for
> such an
> effort.
Thanks for clarification
> btw, feel free to test and send patches if you have such a h/w
Actually we have AVR32 connected to our lab. So, I can test it there,
but I rather need a patch to use some dummy stub instead of codec (it
has no codec connected).
--
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy
next prev parent reply other threads:[~2017-01-02 11:30 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-30 11:32 dmaengine: dw-dmac: Custom cyclic API (Why?) Jose Abreu
2016-12-30 12:05 ` Jose Abreu
2017-01-02 8:38 ` Andy Shevchenko
2017-01-02 10:18 ` Vinod Koul
2017-01-02 10:58 ` Viresh Kumar
2017-01-02 11:30 ` Andy Shevchenko [this message]
2017-01-02 13:56 ` Jose Abreu
2017-04-04 16:23 ` Andy Shevchenko
2017-04-04 16:43 ` Jose Abreu
2017-05-22 18:17 ` Andy Shevchenko
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