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: Fri, 5 Jul 2019 11:45:34 +0530 [thread overview]
Message-ID: <75be49ac-8461-0798-b673-431ec527d74f@nvidia.com> (raw)
In-Reply-To: <e9e822da-1cb9-b510-7639-43407fda8321@nvidia.com>
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.
next prev parent reply other threads:[~2019-07-05 6:15 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-30 11:30 [RFC] dmaengine: add fifo_size member 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 [this message]
2019-07-15 15:42 ` Sameer Pujar
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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