linux-kernel - Re: [PATCH v3 0/5] Enable wm8524 on i.MX8MQ

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Message-ID: <CAOMZO5CpefU56xLaOUq0GRwWP9kcMPyZ2PWM38C9FuU-3k1MJA@mail.gmail.com>
Date:   Tue, 26 Feb 2019 09:52:11 -0300
From:   Fabio Estevam <festevam@...il.com>
To:     Daniel Baluta <daniel.baluta@....com>
Cc:     "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "S.j. Wang" <shengjiu.wang@....com>,
        "angus@...ea.ca" <angus@...ea.ca>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "l.stach@...gutronix.de" <l.stach@...gutronix.de>,
        Abel Vesa <abel.vesa@....com>,
        "ccaione@...libre.com" <ccaione@...libre.com>,
        "baruch@...s.co.il" <baruch@...s.co.il>,
        "agx@...xcpu.org" <agx@...xcpu.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        dl-linux-imx <linux-imx@....com>,
        Aisheng Dong <aisheng.dong@....com>,
        "kuninori.morimoto.gx@...esas.com" <kuninori.morimoto.gx@...esas.com>
Subject: Re: [PATCH v3 0/5] Enable wm8524 on i.MX8MQ

Hi Daniel,

On Tue, Feb 26, 2019 at 4:08 AM Daniel Baluta <daniel.baluta@....com> wrote:
>
> On i.MX8MQ we can start the party using the wm8524 codec
> which gets it's data through the SAI2 interface.
>
> In order to make it work this patch series enables the SDMA nodes,
> sets the correct pinctrl configuration and uses the simple card
> machine driver to put everything together.
>
> Changes since v2:
>         - s/QM/MQ after Chris comments
>
> Changes since v1:
>         - added cover letter
>         - remove "fsl,imx8mq-sdma" compatible for sdma.

Why? It is good practice to add the new compatible entry.

In case we find out a need for a fix that only affects imx8mq in the
future we can do that by using the specific compatible and no dts
change will be needed.

>
> Daniel Baluta (5):
>   arm64: dts: imx8mq: Add SDMA nodes
>   arm64: dts: imx8mq: Add SAI2 node
>   arm64: dts: imx8mq: Add SAI pinctrl configuration
>   arm64: dts: imx8mq: Enable SAI2 for wm8524 codec
>   arm64: dts: imx8mq: Enable wm8524 codec

I would suggest making the last three patches as a single one.

Also, please make the Subject as: arm64: dts: imx8mq-evk when a patch
is specific to the imx8mq-evk dts.