linux-kernel - Re: [PATCH v2] dmaengine: pxa

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Date:	Thu, 03 Mar 2016 18:19:29 +0100
From:	Robert Jarzmik <robert.jarzmik@...e.fr>
To:	Vinod Koul <vinod.koul@...el.com>
Cc:	Daniel Mack <daniel@...que.org>,
	Haojian Zhuang <haojian.zhuang@...il.com>,
	linux-arm-kernel@...ts.infradead.org, dmaengine@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] dmaengine: pxa_dma: fix cyclic transfers

Vinod Koul <vinod.koul@...el.com> writes:

> On Tue, Feb 16, 2016 at 10:54:02PM +0100, Robert Jarzmik wrote:
>> While testing audio with pxa2xx-ac97, underrun were happening while the
>> user application was correctly feeding the music. Debug proved that the
>> cyclic transfer is not cyclic, ie. the last descriptor did not loop on
>> the first.
>> 
>> Another issue is that the descriptor length was always set to 8192,
>> because of an trivial operator issue.
>> 
>> This was tested on a pxa27x platform.
>
> Applied, thanks
Thanks Vinod !

Cheers.

-- 
Robert