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From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Vincent Whitchurch <vincent.whitchurch@axis.com>
Cc: "wsa@kernel.org" <wsa@kernel.org>, kernel <kernel@axis.com>,
	"linux-i2c@vger.kernel.org" <linux-i2c@vger.kernel.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"krzk+dt@kernel.org" <krzk+dt@kernel.org>,
	"robh+dt@kernel.org" <robh+dt@kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/2] i2c: add binding to prevent device detection
Date: Wed, 6 Apr 2022 09:55:56 +0200	[thread overview]
Message-ID: <ecc21772-54ca-23d5-aed5-f87dc7abed32@linaro.org> (raw)
In-Reply-To: <315c957b-8d22-dcef-a5b8-36e92f0897be@linaro.org>

On 06/04/2022 09:26, Krzysztof Kozlowski wrote:
>>
>> I'm having a hard time drawing the line between hardware and the
>> "system" here.  The bus being completely described in devicetree doesn't
>> sound like a hardware property to me, but, yes, I can change the
>> description to say that.
> 
> Then you need to come up with better description. :) By system I
> understood here Operating System, therefore a Software piece or pieces.
> Bindings should not rather focus on hardware instead of referencing
> software.

Ah... I meant:
Bindings should rather focus on hardware instead of referencing software.

> Software actually not matter for the bindings... There is
> quite clear distinction between hardware and operating system...
> 
> Can you explain why do you think "bus being completely described" is not
> a hardware description? Bindings and DTS describe hardware, so one of
> parts of such description is whether nodes and other properties are
> present. If all child nodes are present in DT - no-detect - and this is
> a purely hardware point of view. No software here.



Best regards,
Krzysztof

  reply	other threads:[~2022-04-06 12:10 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-05 12:16 [PATCH 0/2] i2c: Allow disabling auto detection via devicetree Vincent Whitchurch
2022-04-05 12:16 ` [PATCH 1/2] i2c: add binding to prevent device detection Vincent Whitchurch
2022-04-05 13:57   ` Krzysztof Kozlowski
2022-04-05 14:12     ` Vincent Whitchurch
2022-04-06  7:26       ` Krzysztof Kozlowski
2022-04-06  7:55         ` Krzysztof Kozlowski [this message]
2022-04-05 12:16 ` [PATCH 2/2] i2c: core: support no-detect property Vincent Whitchurch

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