linux-kernel - Re: dmaengine: dw-dmac: Custom cyclic API (Why?)

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Message-ID: <1495477068.6967.63.camel@linux.intel.com>
Date:   Mon, 22 May 2017 21:17:48 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Jose Abreu <Jose.Abreu@...opsys.com>,
        Vinod Koul <vinod.koul@...el.com>
Cc:     "dmaengine@...r.kernel.org" <dmaengine@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        vireshk@...nel.org
Subject: Re: dmaengine: dw-dmac: Custom cyclic API (Why?)

On Tue, 2017-04-04 at 17:43 +0100, Jose Abreu wrote:
> 
> On 04-04-2017 17:23, Andy Shevchenko wrote:
> > On Mon, 2017-01-02 at 13:56 +0000, Jose Abreu wrote:
> > > On 02-01-2017 11:30, Andy Shevchenko wrote:
> > > > 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:
> > > > 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).
> > > > 
> > > 
> > > Thank you all for the info. I don't have the HW ready to test yet
> > > (I was collecting some info first), but when I do I can test on
> > > my side using Designware I2S and ALSA SoC DMA engine.
> > 
> > Just TWIMC, AVR32 is going to be removed from kernel.
> > It means in particularly I will follow up and remove related bits in
> > dw_dmac driver, including custom cyclic API.
> > 
> 
> Thanks for sharing this! Unfortunately the plans to include a DMA
> for I2S audio were postponed so I never got to the point of
> implementing/testing it. As I don't see any plans in using this
> cyclic DMA for now I guess if I need to use it I will implement
> it again using the standard cyclic DMA engine API.

Just heads up TWIMC the custom API has been removed.

-- 
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Intel Finland Oy