linux-kernel - Re: [PATCH 1/5] usb: misc: onboard_usb_dev: fix support for Cypress HX3 hubs

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Message-ID: <20250328-holistic-feathered-guppy-5bac92@krzk-bin>
Date: Fri, 28 Mar 2025 09:19:03 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Lukasz Czechowski <lukasz.czechowski@...umatec.com>
Cc: Matthias Kaehlcke <mka@...omium.org>, 
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Benjamin Bara <benjamin.bara@...data.com>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>, 
	Klaus Goger <klaus.goger@...obroma-systems.com>, linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-rockchip@...ts.infradead.org, quentin.schulz@...rry.de, stable@...r.kernel.org
Subject: Re: [PATCH 1/5] usb: misc: onboard_usb_dev: fix support for Cypress
 HX3 hubs

On Wed, Mar 26, 2025 at 05:22:56PM +0100, Lukasz Czechowski wrote:
> diff --git a/drivers/usb/misc/onboard_usb_dev.h b/drivers/usb/misc/onboard_usb_dev.h
> index 317b3eb99c02..17696f7c5e43 100644
> --- a/drivers/usb/misc/onboard_usb_dev.h
> +++ b/drivers/usb/misc/onboard_usb_dev.h
> @@ -104,8 +104,14 @@ static const struct of_device_id onboard_dev_match[] = {
>  	{ .compatible = "usb451,8027", .data = &ti_tusb8020b_data, },
>  	{ .compatible = "usb451,8140", .data = &ti_tusb8041_data, },
>  	{ .compatible = "usb451,8142", .data = &ti_tusb8041_data, },
> +	{ .compatible = "usb4b4,6500", .data = &cypress_hx3_data, },
> +	{ .compatible = "usb4b4,6502", .data = &cypress_hx3_data, },
> +	{ .compatible = "usb4b4,6503", .data = &cypress_hx3_data, },
>  	{ .compatible = "usb4b4,6504", .data = &cypress_hx3_data, },
>  	{ .compatible = "usb4b4,6506", .data = &cypress_hx3_data, },
> +	{ .compatible = "usb4b4,6507", .data = &cypress_hx3_data, },
> +	{ .compatible = "usb4b4,6508", .data = &cypress_hx3_data, },

Why are you adding so many entries? Same entry is a strong sign these
are compatible.

Best regards,
Krzysztof