linux-kernel - Re: [PATCH] dt-bindings: usb: microchip,usb5744: Remove peer-hub as requirement

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Message-ID: <20240130085006.GA4068@francesco-nb>
Date: Tue, 30 Jan 2024 09:50:06 +0100
From: Francesco Dolcini <francesco@...cini.it>
To: Stefan Eichenberger <eichest@...il.com>
Cc: gregkh@...uxfoundation.org, robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
	piyush.mehta@....com, michal.simek@....com,
	francesco.dolcini@...adex.com, linux-usb@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	Stefan Eichenberger <stefan.eichenberger@...adex.com>
Subject: Re: [PATCH] dt-bindings: usb: microchip,usb5744: Remove peer-hub as
 requirement

On Tue, Jan 30, 2024 at 08:35:05AM +0100, Stefan Eichenberger wrote:
> From: Stefan Eichenberger <stefan.eichenberger@...adex.com>
> 
> The peer-hub is used to model the relationship between the USB 2 and USB
> 3 hub. However, it is possible to only connect USB 2 without having
> USB 3. Therefore, the peer-hub property should not be marked as required.

This was noticed while adding this HUB in the DTS on a board in which
USB3 is not supported. To some extent this is fix.

> Signed-off-by: Stefan Eichenberger <stefan.eichenberger@...adex.com>
Reviewed-by: Francesco Dolcini <francesco.dolcini@...adex.com>

Francesco