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From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Bhupesh Sharma <bhupesh.sharma@linaro.org>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	agross@kernel.org, andersson@kernel.org,
	konrad.dybcio@linaro.org, linux-kernel@vger.kernel.org,
	bhupesh.linux@gmail.com, robh+dt@kernel.org,
	krzysztof.kozlowski+dt@linaro.org
Subject: Re: [PATCH] dt-bindings: qcom: geni-se: Fix '#address-cells' & '#size-cells' related dt-binding error
Date: Mon, 16 Jan 2023 08:53:26 +0100	[thread overview]
Message-ID: <b9aa6d30-5fe8-57a9-e478-c99bca70d185@linaro.org> (raw)
In-Reply-To: <CAH=2Ntx5rLWu4jzXV8DwKj+yweHPRqb4+Rv8uZpDn_brWDxyJg@mail.gmail.com>

On 15/01/2023 22:33, Bhupesh Sharma wrote:
> On Sun, 15 Jan 2023 at 20:57, Krzysztof Kozlowski
> <krzysztof.kozlowski@linaro.org> wrote:
>>
>> On 13/01/2023 21:10, Bhupesh Sharma wrote:
>>> Fix the following '#address-cells' & '#size-cells' related
>>> dt-binding error:
>>>
>>>    $ make dtbs_check
>>>
>>>    From schema: Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml
>>>         arch/arm64/boot/dts/qcom/sm4250-oneplus-billie2.dtb: geniqup@4ac0000:
>>>               #address-cells:0:0: 2 was expected
>>>       From schema: Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml
>>
>> Don't we want rather to unify the soc address range?
> 
> Well, the assumption in the original dt-bindings was that every reg
> variable is 4 * u32 wide (as most new qcom SoCs set #address- and
> #size-cells to <2>). However, that is not the case for all of the
> SoCs.

Hm, which device of that SoC cannot be used with address/size cells 2?
> 
> So, ideally we shouldn't set the  "#address-cells" and  "#size-cells":
> as const: 2 in the bindings.
> 
> See as an example:
> https://www.kernel.org/doc/Documentation/devicetree/bindings/usb/usb-device.yaml


How USB device - so entirely different device, not MMIO! - is related here?

Best regards,
Krzysztof


  reply	other threads:[~2023-01-16  7:53 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-13 20:10 [PATCH] dt-bindings: qcom: geni-se: Fix '#address-cells' & '#size-cells' related dt-binding error Bhupesh Sharma
2023-01-15 15:27 ` Krzysztof Kozlowski
2023-01-15 21:33   ` Bhupesh Sharma
2023-01-16  7:53     ` Krzysztof Kozlowski [this message]
2023-01-16 15:43       ` Bhupesh Sharma
2023-01-16 15:54         ` Konrad Dybcio
2023-01-16 16:02           ` Bhupesh Sharma
2023-01-16 16:05             ` Konrad Dybcio
2023-01-16 16:18               ` bhupesh.sharma
2023-01-16 16:29                 ` Konrad Dybcio
2023-01-16 19:10         ` Krzysztof Kozlowski
2023-01-17 19:47           ` Rob Herring
2023-01-19  3:23         ` Bjorn Andersson
2023-01-19  5:58           ` Bhupesh Sharma

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