linux-kernel - Re: [PATCH 3/4 v7] ASoC: dwc: Add PIO PCM extension

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Message-ID: <57458328.8080900@synopsys.com>
Date:	Wed, 25 May 2016 11:49:12 +0100
From:	Jose Abreu <Jose.Abreu@...opsys.com>
To:	Mark Brown <broonie@...nel.org>,
	Jose Abreu <Jose.Abreu@...opsys.com>
CC:	<alsa-devel@...a-project.org>,
	Carlos Palminha <CARLOS.PALMINHA@...opsys.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>, "Rob Herring" <robh@...nel.org>,
	Alexey Brodkin <Alexey.Brodkin@...opsys.com>,
	<linux-snps-arc@...ts.infradead.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/4 v7] ASoC: dwc: Add PIO PCM extension

Hi Mark,


On 25-05-2016 11:18, Mark Brown wrote:
> On Wed, May 25, 2016 at 11:11:47AM +0100, Jose Abreu wrote:
>
>> I think I will take the second option. Something like this:
>> "
>>     ret = snd_dmaengine_pcm_register(...)
>>     if (ret == -EPROBE_DEFER)
>>         return ret;
>>     else
>>         pio_register(...);
>> "?
> Sure.  You should print a diagnostic if you fail to get the DMA, for any
> real system it's going to be a bug.

Ok, will do that. I noticed the last I2S patch that you merged
("ASoC: dwc: Add helper functions to disable/enable irqs") is not
in for-next yet. Should I base my work on 'topic/dwc' branch?

Best regards,
Jose Miguel Abreu