dmaengine Archive on lore.kernel.org
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From: Sameer Pujar <spujar@nvidia.com>
To: Vinod Koul <vkoul@kernel.org>
Cc: <dan.j.williams@intel.com>, <tiwai@suse.com>,
	<jonathanh@nvidia.com>, <dmaengine@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, <sharadg@nvidia.com>,
	<rlokhande@nvidia.com>, <dramesh@nvidia.com>,
	<mkumard@nvidia.com>
Subject: Re: [PATCH] [RFC] dmaengine: add fifo_size member
Date: Mon, 15 Jul 2019 21:12:54 +0530
Message-ID: <1ba33e86-5c4d-7bce-5643-c0fca2cf8101@nvidia.com> (raw)
In-Reply-To: <75be49ac-8461-0798-b673-431ec527d74f@nvidia.com>

Hi Vinod,

Sorry for writing again.
Can we please conclude on this?

Thanks,
Sameer.

On 7/5/2019 11:45 AM, Sameer Pujar wrote:
> Hi Vinod,
>
> What are your final thoughts regarding this?
>
> Thanks,
> Sameer.
>
>>> Where does ADMAIF driver reside in kernel, who configures it for normal
>>> dma txns..?
>> Not yet, we are in the process of upstreaming ADMAIF driver.
>> To describe briefly, audio subsystem is using ALSA SoC(ASoC) layer. 
>> ADMAIF is
>> registered as platform driver and exports DMA functionality. It 
>> registers PCM
>> devices for each Rx/Tx ADMAIF channel. During PCM playback/capture 
>> operations,
>> ALSA callbacks configure DMA channel using API dmaengine_slave_config().
>> RFC patch proposed, is to help populate FIFO_SIZE value as well 
>> during above
>> call, since ADMA requires it.
>>>
>>> Also it wold have helped the long discussion if that part was made 
>>> clear
>>> rather than talking about peripheral all this time :(
>> Thought it was clear, though should have avoided using 'peripheral' 
>> in the
>> discussions. Sorry for the confusion.
>

  reply index

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-30 11:30 Sameer Pujar
2019-04-30 11:30 ` [PATCH] " Sameer Pujar
2019-05-02  6:04 ` Vinod Koul
2019-05-02  6:04   ` [PATCH] " Vinod Koul
2019-05-02 10:53   ` Sameer Pujar
2019-05-02 12:25     ` Vinod Koul
2019-05-02 13:29       ` Sameer Pujar
2019-05-03 19:10         ` Peter Ujfalusi
2019-05-04 10:23         ` Vinod Koul
2019-05-06 13:04           ` Sameer Pujar
2019-05-06 15:50             ` Vinod Koul
2019-06-06  3:49               ` Sameer Pujar
2019-06-06  6:00                 ` Peter Ujfalusi
2019-06-06  6:41                   ` Sameer Pujar
2019-06-06  7:14                     ` Jon Hunter
2019-06-06 10:22                       ` Peter Ujfalusi
2019-06-06 10:49                         ` Jon Hunter
2019-06-06 11:54                           ` Peter Ujfalusi
2019-06-06 12:37                             ` Jon Hunter
2019-06-06 13:45                               ` Dmitry Osipenko
2019-06-06 13:55                                 ` Dmitry Osipenko
2019-06-06 14:26                                   ` Jon Hunter
2019-06-06 14:36                                     ` Jon Hunter
2019-06-06 14:36                                     ` Dmitry Osipenko
2019-06-06 14:47                                       ` Jon Hunter
2019-06-06 14:25                                 ` Jon Hunter
2019-06-06 15:18                                   ` Dmitry Osipenko
2019-06-06 16:32                                     ` Jon Hunter
2019-06-06 16:44                                       ` Dmitry Osipenko
2019-06-06 16:53                                         ` Jon Hunter
2019-06-06 17:25                                           ` Dmitry Osipenko
2019-06-06 17:56                                             ` Dmitry Osipenko
2019-06-07  9:24                                             ` Jon Hunter
2019-06-07  5:50                               ` Peter Ujfalusi
2019-06-07  9:18                                 ` Jon Hunter
2019-06-07 10:27                                   ` Jon Hunter
2019-06-07 12:17                                     ` Peter Ujfalusi
2019-06-07 12:58                                       ` Jon Hunter
2019-06-07 13:35                                         ` Peter Ujfalusi
2019-06-07 20:53                                           ` Dmitry Osipenko
2019-06-10  8:01                                             ` Jon Hunter
2019-06-10  7:59                                           ` Jon Hunter
2019-06-13  4:43                 ` Vinod Koul
2019-06-17  7:07                   ` Sameer Pujar
2019-06-18  4:33                     ` Vinod Koul
2019-06-20 10:29                       ` Sameer Pujar
2019-06-24  6:26                         ` Vinod Koul
2019-06-25  2:57                           ` Sameer Pujar
2019-07-05  6:15                             ` Sameer Pujar
2019-07-15 15:42                               ` Sameer Pujar [this message]
2019-07-19  5:04                               ` Vinod Koul
2019-07-23  5:54                                 ` Sameer Pujar
2019-07-29  6:10                                   ` Vinod Koul
2019-07-31  9:48                                     ` Jon Hunter
2019-07-31 15:16                                       ` Vinod Koul
2019-08-02  8:51                                         ` Jon Hunter
2019-08-08 12:38                                           ` Vinod Koul
2019-08-19 15:56                                             ` Jon Hunter
2019-08-20 11:05                                               ` Vinod Koul
2019-09-16  9:02                                                 ` Sameer Pujar

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