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Date:   Thu, 8 Apr 2021 17:25:28 +0200
From:   Alexandre Belloni <alexandre.belloni@bootlin.com>
To:     Arnd Bergmann <arnd@kernel.org>
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Cc:     DTML <devicetree@vger.kernel.org>,
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Subject: Re: New 'make dtbs_check W=1' warnings
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Hi,

On 08/04/2021 17:08:26+0200, Arnd Bergmann wrote:
> arch/arm/boot/dts/at91-sama5d2_ptc_ek.dt.yaml: /: 'etm@73C000' does
> not match any of the regexes: '@(0|[1-9a-f][0-9a-f]*)$', '^[^@]+$',
> 'pinctrl-[0-9]+'
> arch/arm/boot/dts/at91-kizbox3-hs.dt.yaml: /: 'etm@73C000' does not
> match any of the regexes: '@(0|[1-9a-f][0-9a-f]*)$', '^[^@]+$',
> 'pinctrl-[0-9]+'
> 

This was introduced by 4d930c421e3b ("ARM: dts: at91: sama5d2: add ETB
and ETM unit name"), trying to fix another warning.

I guess this is because
Documentation/devicetree/bindings/arm/coresight.txt is not yaml yet.

-- 
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com