linux-kernel - Re: [PATCH v1 0/4] Add Google Tensor SoC USB support

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Message-ID: <36068ca3-912e-4e71-b688-8689ead8194b@kernel.org>
Date: Tue, 7 Oct 2025 10:06:22 +0900
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Roy Luo <royluo@...gle.com>, Vinod Koul <vkoul@...nel.org>,
 Kishon Vijay Abraham I <kishon@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
 Philipp Zabel <p.zabel@...gutronix.de>,
 Peter Griffin <peter.griffin@...aro.org>,
 André Draszik <andre.draszik@...aro.org>,
 Tudor Ambarus <tudor.ambarus@...aro.org>
Cc: Joy Chakraborty <joychakr@...gle.com>, Naveen Kumar <mnkumar@...gle.com>,
 linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org
Subject: Re: [PATCH v1 0/4] Add Google Tensor SoC USB support

On 07/10/2025 08:21, Roy Luo wrote:
> This series introduces support for the USB controller and PHY found on
> Google Tensor SoCs (G5 and newer). This includes:
> 
> 1.  DWC3 Glue Driver: A new glue layer for the Synopsys DesignWare USB 3.0
>     controller (DWC3) as integrated into Google Tensor SoCs, including
>     hibernation support.
> 2.  DWC3 DT Bindings: Device Tree binding documentation for the Google
>     Tensor SoC DWC3 controller.
> 3.  USB PHY Driver: A new driver for the Google Tensor SoC USB PHY,
>     initially supporting high-speed operations.
> 4.  USB PHY DT Bindings: Device Tree binding documentation for the Google
>     Tensor SoC USB PHY.

This is useless message in the cover letter. We see what patches do from
the patches.

What you are supposed to explain here and in the bindings patches, is
why we want this driver and what is Tensor SoC, considering we already
have one Tensor SoC... IOW, explain everything which is not obvious -
and duplicating SoCs with some generic name is for sure not obvious.

Best regards,
Krzysztof