linux-kernel - Re: [PATCH v5 1/7] dt-bindings: iommu: Add Qualcomm TBU bindings

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Message-ID: <c3876aaa-f6d7-4585-97ab-2a0331cbc96c@linaro.org>
Date: Thu, 29 Feb 2024 19:01:47 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Georgi Djakov <quic_c_gdjako@...cinc.com>, robh+dt@...nel.org,
 krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org, will@...nel.org,
 robin.murphy@....com, joro@...tes.org, iommu@...ts.linux.dev
Cc: devicetree@...r.kernel.org, andersson@...nel.org,
 konrad.dybcio@...aro.org, robdclark@...il.com,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
 linux-arm-msm@...r.kernel.org, quic_cgoldswo@...cinc.com,
 quic_sukadev@...cinc.com, quic_pdaly@...cinc.com, quic_sudaraja@...cinc.com,
 djakov@...nel.org
Subject: Re: [PATCH v5 1/7] dt-bindings: iommu: Add Qualcomm TBU bindings

On 26/02/2024 18:22, Georgi Djakov wrote:
> The "apps_smmu" on the Qualcomm sdm845 platform is an implementation
> of the SMMU-500, that consists of a single TCU (Translation Control
> Unit) and multiple TBUs (Translation Buffer Units). These TBUs have
> hardware debugging features that are specific and only present on
> Qualcomm hardware. Represent them as independent DT nodes. List all
> the resources that are needed to operate them (such as registers,
> clocks, power domains and interconnects).
> 
> Signed-off-by: Georgi Djakov <quic_c_gdjako@...cinc.com>

Also one more nit, since I expect new version:

A nit, subject: drop second/last, redundant "bindings". The
"dt-bindings" prefix is already stating that these are bindings.
See also:
https://elixir.bootlin.com/linux/v6.7-rc8/source/Documentation/devicetree/bindings/submitting-patches.rst#L18

Best regards,
Krzysztof