linux-media.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Mark Brown <broonie@kernel.org>
To: Shengjiu Wang <shengjiu.wang@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>,
	Shengjiu Wang <shengjiu.wang@nxp.com>,
	Timur Tabi <timur@kernel.org>,
	Nicolin Chen <nicoleotsuka@gmail.com>,
	Xiubo Li <Xiubo.Lee@gmail.com>,
	Fabio Estevam <festevam@gmail.com>,
	Liam Girdwood <lgirdwood@gmail.com>,
	perex@perex.cz, Takashi Iwai <tiwai@suse.com>,
	shawnguo@kernel.org, s.hauer@pengutronix.de,
	kernel@pengutronix.de, linux-imx@nxp.com,
	Sumit Semwal <sumit.semwal@linaro.org>,
	Linux-ALSA <alsa-devel@alsa-project.org>,
	linuxppc-dev@lists.ozlabs.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel <linux-kernel@vger.kernel.org>,
	linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org,
	linaro-mm-sig@lists.linaro.org
Subject: Re: [PATCH] ASoC: fsl: imx-pcm-dma: Don't request dma channel in probe
Date: Fri, 22 May 2020 14:12:42 +0100	[thread overview]
Message-ID: <20200522131242.GI5801@sirena.org.uk> (raw)
In-Reply-To: <CAA+D8AOiVVi3B4dzU8r=rCMz=6w9R=wxBkzAQ=0=RAQLKCWy8Q@mail.gmail.com>

[-- Attachment #1: Type: text/plain, Size: 851 bytes --]

On Thu, May 21, 2020 at 07:30:04PM +0800, Shengjiu Wang wrote:
> On Wed, May 20, 2020 at 8:38 PM Mark Brown <broonie@kernel.org> wrote:

> > Other drivers having problems means those drivers should be fixed, not
> > that we should copy the problems.  In the case of the PXA driver that's
> > very old code which predates deferred probe by I'd guess a decade.

> Thanks.

> For the FE-BE case, do you have any suggestion for how fix it?

> With DMA1->ASRC->DMA2->ESAI case, the DMA1->ASRC->DMA2
> is in FE,  ESAI is in BE.  When ESAI drvier probe,  DMA3 channel is
> created with ESAI's "dma:tx" (DMA3 channel
> is not used in this FE-BE case).    When FE-BE startup, DMA2
> channel is created, it needs the ESAI's "dma:tx", so the warning
> comes out.

Not really TBH, this seems like another one of those csaes where DPCM is
creaking at the seams :/

[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 488 bytes --]

  reply	other threads:[~2020-05-22 13:12 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-19  9:41 [PATCH] ASoC: fsl: imx-pcm-dma: Don't request dma channel in probe Shengjiu Wang
2020-05-19 10:01 ` Lucas Stach
2020-05-20  8:20   ` Shengjiu Wang
2020-05-20  9:42     ` Lucas Stach
2020-05-20 11:22       ` Shengjiu Wang
2020-05-20 12:38         ` Mark Brown
2020-05-21 11:30           ` Shengjiu Wang
2020-05-22 13:12             ` Mark Brown [this message]
2021-04-14 14:33       ` Robin Gong
2021-04-14 15:33         ` Lucas Stach
2021-04-19  7:17           ` Robin Gong
2021-04-19  9:46             ` Lucas Stach
2021-04-20 13:47               ` Robin Gong
2021-04-20 14:00                 ` Lucas Stach
2021-04-21 14:54                   ` Robin Gong
2021-04-21 17:43                     ` Lucas Stach
2021-04-21 17:46                       ` Mark Brown
2021-04-22  3:33                       ` Robin Gong

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200522131242.GI5801@sirena.org.uk \
    --to=broonie@kernel.org \
    --cc=Xiubo.Lee@gmail.com \
    --cc=alsa-devel@alsa-project.org \
    --cc=dri-devel@lists.freedesktop.org \
    --cc=festevam@gmail.com \
    --cc=kernel@pengutronix.de \
    --cc=l.stach@pengutronix.de \
    --cc=lgirdwood@gmail.com \
    --cc=linaro-mm-sig@lists.linaro.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-imx@nxp.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-media@vger.kernel.org \
    --cc=linuxppc-dev@lists.ozlabs.org \
    --cc=nicoleotsuka@gmail.com \
    --cc=perex@perex.cz \
    --cc=s.hauer@pengutronix.de \
    --cc=shawnguo@kernel.org \
    --cc=shengjiu.wang@gmail.com \
    --cc=shengjiu.wang@nxp.com \
    --cc=sumit.semwal@linaro.org \
    --cc=timur@kernel.org \
    --cc=tiwai@suse.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).