From: Roberto Fichera <kernel@tekno-soft.it>
To: Nicolin Chen <nicoleotsuka@gmail.com>
Cc: Fabio Estevam <fabio.estevam@freescale.com>,
"alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>,
Shengjiu Wang <shengjiu.wang@freescale.com>,
Caleb Crome <caleb@crome.org>,
"arnaud.mouiche@invoxia.com" <arnaud.mouiche@invoxia.com>,
Markus Pargmann <mpa@pengutronix.de>,
"shawn.guo@linaro.org" <shawn.guo@linaro.org>,
Fabio Estevam <festevam@gmail.com>
Subject: Re: fsl_ssi.c: Roberto's problem: ssi hangs after some number of samples
Date: Wed, 4 Nov 2015 22:48:40 +0100 [thread overview]
Message-ID: <563A7D38.3010708@tekno-soft.it> (raw)
In-Reply-To: <20151104181821.GB4057@Asurada-CZ80>
On 11/04/2015 07:18 PM, Nicolin Chen wrote:
> On Wed, Nov 04, 2015 at 07:09:14PM +0100, Roberto Fichera wrote:
>
>> I can try to increase the FIFO watermark up to 15 elements, but after that
>> I don't have more choices. The problem is that the TDM has to run continuously
>> because the SLIC need it. I can eventually enable and disable the DMA requests
>> depending by the active channels for optimization, but the problem still,why the
>> DMA transfer is not triggered?
>
> There's nothing you can do from SSI side. If you don't clear the
> Channel Error bit, the channel might be still hanging there until
> you clear the bit or reset the channel. You may read SDMA chapter
> for details.
Ok! Will have a look tomorrow morning.
next prev parent reply other threads:[~2015-11-04 21:48 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-30 18:01 fsl_ssi.c: Roberto's problem: ssi hangs after some number of samples Caleb Crome
2015-10-31 9:16 ` Roberto Fichera
2015-11-01 20:31 ` Fabio Estevam
2015-11-02 9:57 ` Roberto Fichera
2015-11-02 17:51 ` Roberto Fichera
2015-11-02 18:03 ` Roberto Fichera
2015-11-03 0:56 ` Caleb Crome
2015-11-03 8:21 ` Roberto Fichera
2015-11-03 21:26 ` Caleb Crome
2015-11-04 15:33 ` Roberto Fichera
2015-11-04 16:53 ` Roberto Fichera
2015-11-04 17:41 ` Caleb Crome
2015-11-04 17:52 ` Roberto Fichera
2015-11-04 18:11 ` Nicolin Chen
2015-11-04 21:47 ` Roberto Fichera
2015-11-05 10:03 ` Roberto Fichera
2015-11-05 11:30 ` Fabio Estevam
2015-11-05 11:48 ` Roberto Fichera
2015-11-04 17:58 ` Nicolin Chen
2015-11-04 18:09 ` Roberto Fichera
2015-11-04 18:18 ` Nicolin Chen
2015-11-04 21:48 ` Roberto Fichera [this message]
-- strict thread matches above, loose matches on Subject: below --
2015-11-05 21:34 Caleb Crome
2015-11-05 22:08 ` Roberto Fichera
2015-11-05 22:25 ` Caleb Crome
2015-11-05 22:40 ` Roberto Fichera
2015-11-05 22:49 ` Caleb Crome
2015-11-05 23:01 ` Roberto Fichera
2015-11-05 23:21 ` Caleb Crome
2015-11-05 23:28 ` Roberto Fichera
2015-11-05 23:30 ` Caleb Crome
2015-11-05 23:46 ` Roberto Fichera
2015-11-06 0:35 ` Caleb Crome
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