linux-kernel - Re: [PATCH] dt-bindings: Drop redundant maxItems/items

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Date:   Tue, 22 Dec 2020 07:39:08 +0100
From:   Sam Ravnborg <sam@...nborg.org>
To:     Rob Herring <robh@...nel.org>
Cc:     devicetree@...r.kernel.org, alsa-devel@...a-project.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        Jassi Brar <jaswinder.singh@...aro.org>,
        Vinod Koul <vkoul@...nel.org>, Mark Brown <broonie@...nel.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        dmaengine@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: Drop redundant maxItems/items

Hi Rob,

On Mon, Dec 21, 2020 at 09:06:45PM -0700, Rob Herring wrote:
> 'maxItems' equal to the 'items' list length is redundant. 'maxItems' is
> preferred for a single entry while greater than 1 should have an 'items'
> list.
> 
> A meta-schema check for this is pending once these existing cases are
> fixed.
> 
> Cc: Laurent Pinchart <laurent.pinchart@...asonboard.com>
> Cc: Vinod Koul <vkoul@...nel.org>
> Cc: Mark Brown <broonie@...nel.org>
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Cc: Jassi Brar <jaswinder.singh@...aro.org>
> Cc: dri-devel@...ts.freedesktop.org
> Cc: dmaengine@...r.kernel.org
> Cc: alsa-devel@...a-project.org
> Cc: linux-usb@...r.kernel.org
> Signed-off-by: Rob Herring <robh@...nel.org>

With one comment below,
Acked-by: Sam Ravnborg <sam@...nborg.org>

> ---
> diff --git a/Documentation/devicetree/bindings/usb/renesas,usbhs.yaml b/Documentation/devicetree/bindings/usb/renesas,usbhs.yaml
> index 737c1f47b7de..54c361d4a7af 100644
> --- a/Documentation/devicetree/bindings/usb/renesas,usbhs.yaml
> +++ b/Documentation/devicetree/bindings/usb/renesas,usbhs.yaml
> @@ -74,11 +74,8 @@ properties:
>  
>    phys:
>      maxItems: 1
> -    items:
> -      - description: phandle + phy specifier pair.

The description may help some people, so keeping the
description and deleting maxItems would maybe be better.

	Sam