linux-kernel - Re: [PATCH 2/2] dt-bindings: usb: snps,dwc3: Add 'snps,inv-sync-hdr-quirk' quirk

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Message-ID: <zyknvvagphkerbbbxegqw6a26j73garzelthgg7zv5os7bmmef@anc4567netmn>
Date: Fri, 27 Sep 2024 11:46:32 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Michael Wu <michael@...winnertech.com>
Cc: gregkh@...uxfoundation.org, robh@...nel.org, krzk+dt@...nel.org, 
	conor+dt@...nel.org, Thinh.Nguyen@...opsys.com, balbi@...nel.org, 
	linux-usb@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] dt-bindings: usb: snps,dwc3: Add
 'snps,inv-sync-hdr-quirk' quirk

On Fri, Sep 27, 2024 at 03:25:57PM +0800, Michael Wu wrote:
> Added the new 'snps,inv-sync-hdr-quirk' DT property to dwc3 core for Gen2
> polarity detection.
> 
> The link uses data block (0011b) sync header for SYNC OS instead of control
> block (1100b). Set this quirk if the third-party PHY does not correct the
> sync header of the SYNC OS in the case of inverse polarity.
> 
> Signed-off-by: Michael Wu <michael@...winnertech.com>
> ---
>  Documentation/devicetree/bindings/usb/snps,dwc3.yaml | 6 ++++++
>  1 file changed, 6 insertions(+)
> 

Why this cannot be deduced from compatible?

Best regards,
Krzysztof