linux-kernel - Re: [PATCH v2 2/2] dt-bindings: usb: document snps,dis_split

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Date:   Mon, 20 Dec 2021 21:36:52 +0300
From:   Sergey Shtylyov <s.shtylyov@....ru>
To:     Yaqin Pan <akingchen@...o.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Felipe Balbi <balbi@...nel.org>, <linux-usb@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     <kernel@...o.com>
Subject: Re: [PATCH v2 2/2] dt-bindings: usb: document snps,dis_split_quirk
 property in dwc3

Hello!

On 12/20/21 5:16 PM, Yaqin Pan wrote:

> Add snps,dis_split_quirk property for dwc3 controller

   The name doesn't match the prop itself anymore...

> 
> Signed-off-by: Yaqin Pan <akingchen@...o.com>
> ---
>  Documentation/devicetree/bindings/usb/snps,dwc3.yaml | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
> index 41416fbd92aa..e9615ca8f447 100644
> --- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
> +++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml
> @@ -226,6 +226,12 @@ properties:
>        avoid -EPROTO errors with usbhid on some devices (Hikey 970).
>      type: boolean
>  
> +  snps,dis-split-quirk:
> +    description:
> +      When set, change the way host controller schedules transations for a Control transfer.
> +      Avoid failing to enumerate some devices due to usb compatibility issues.
> +    type: boolean
> +
>    snps,is-utmi-l1-suspend:
>      description:
>        True when DWC3 asserts output signal utmi_l1_suspend_n, false when
> 

MBR, Sergey