linux-kernel - Re: [PATCH 2/3] ASoC: apple: mca: Start new platform driver

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Message-Id: <82B580B4-85BF-4ABA-B098-98E3CA9EE247@cutebit.org>
Date:   Tue, 9 Aug 2022 10:54:27 +0200
From:   Martin Povišer <povik+lin@...ebit.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Philipp Zabel <p.zabel@...gutronix.de>, asahi@...ts.linux.dev,
        alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] ASoC: apple: mca: Start new platform driver


> On 9. 8. 2022, at 10:47, Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org> wrote:
> 
> On 09/08/2022 01:41, Martin Povišer wrote:

>> +	mca->switch_base =
>> +		devm_platform_ioremap_resource_byname(pdev, "switch");
>> +	if (IS_ERR(mca->switch_base))
>> +		return PTR_ERR(mca->switch_base);
> 
> How does it work exactly? There is no such property... Can you submit
> also DTS using the bindings so we can validate they are real/correct?

Ah, I thought I fixed that. There’s supposed to be

	mca->switch_base = devm_platform_ioremap_resource(pdev, 1);

of course. My bad, I guess didn’t reexport the patches after these last
minute changes.

>> +
>> +	mca->rstc = devm_reset_control_get_shared(&pdev->dev, NULL);
>> +	if (IS_ERR(mca->rstc)) {
>> +		dev_dbg(&pdev->dev, "couldn't obtain reset control: %pe\n", mca->rstc);
>> +		mca->rstc = NULL;
>> +	}
> 
> Similar question.

Same as above, there’s supposed to be

  resets:
    maxItems: 1

in the schema.


> Best regards,
> Krzysztof
> 

Martin