linux-kernel - Re: [PATCH] dt-bindings: usb: Add Marvell ac5

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Message-ID: <20240108-zoning-tactical-20501dccfac1@spud>
Date: Mon, 8 Jan 2024 17:15:04 +0000
From: Conor Dooley <conor@...nel.org>
To: Elad Nachman <enachman@...vell.com>
Cc: gregkh@...uxfoundation.org, robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
	devicetree@...r.kernel.org, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: usb: Add Marvell ac5

On Sun, Jan 07, 2024 at 05:25:57PM +0200, Elad Nachman wrote:
> From: Elad Nachman <enachman@...vell.com>
> 
> Add Marvell ac5 device tree bindings to generic EHCI.
> This compatible enables the Marvell Orion platform code
> to properly configure the DMA mask for the Marvell AC5 SOC.
> 
> Signed-off-by: Elad Nachman <enachman@...vell.com>

Maybe I am dumb, but I don't understand how this does what the commit
message says. There's no fallback to generic-ehci or any other
compatible that is already understood by the driver.

What am I missing?

> ---
>  Documentation/devicetree/bindings/usb/generic-ehci.yaml | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/Documentation/devicetree/bindings/usb/generic-ehci.yaml b/Documentation/devicetree/bindings/usb/generic-ehci.yaml
> index 87986c45be88..2ed178f16a78 100644
> --- a/Documentation/devicetree/bindings/usb/generic-ehci.yaml
> +++ b/Documentation/devicetree/bindings/usb/generic-ehci.yaml
> @@ -77,6 +77,7 @@ properties:
>            - const: usb-ehci
>        - enum:
>            - generic-ehci
> +          - marvell,ac5-ehci
>            - marvell,armada-3700-ehci
>            - marvell,orion-ehci
>            - nuvoton,npcm750-ehci
> -- 
> 2.25.1
> 

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