linux-kernel - Re: [PATCH 2/2] Revert "ASoC: ux500: drop platform DAI assignments"

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Date:   Mon, 17 Jul 2017 10:07:37 +0200
From:   Johan Hovold <johan@...nel.org>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Johan Hovold <johan@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        "alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
        Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        stable <stable@...r.kernel.org>
Subject: Re: [PATCH 2/2] Revert "ASoC: ux500: drop platform DAI assignments"

On Fri, Jul 14, 2017 at 03:36:57PM +0200, Linus Walleij wrote:
> On Wed, Jul 12, 2017 at 5:55 PM, Johan Hovold <johan@...nel.org> wrote:
> 
> > This reverts commit f1013cdeeeb9 ("ASoC: ux500: drop platform DAI
> > assignments"), which seems to have been based on a misunderstanding and
> > prevents the platform driver callbacks from being made (e.g. to
> > preallocate DMA memory).
> >
> > The real culprit for the warnings about attempts to create duplicate
> > procfs entries was commit 99b04f4c4051 ("ASoC: add Component level
> > pcm_new/pcm_free" that broke PCM creation on systems that use more than
> > one platform component.
> >
> > Fixes: f1013cdeeeb9 ("ASoC: ux500: drop platform DAI assignments")
> > Cc: stable <stable@...r.kernel.org>     # 4.11
> > Cc: Linus Walleij <linus.walleij@...aro.org>
> > Signed-off-by: Johan Hovold <johan@...nel.org>
> 
> Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
> Tested-by: Linus Walleij <linus.walleij@...aro.org>
> 
> These static assignments should go away, but not for the wrong reason.
> So this patch is fully in order given the source of the bug.

I assume you'll still need the of-related bits though (platform_of_node)
even if you eventually make this driver use DT-instantiation only.

Thanks again,
Johan