Message-ID: <abede066-43a2-b61b-d152-c95ef3785934@omp.ru>
Date:   Thu, 16 Dec 2021 11:26:29 +0300
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Subject: Re: [PATCH 2/2] dt-bindings: usb: document snps,dis_split_quirk
 property in dwc3
Content-Language: en-US
To:     Yaqin Pan <akingchen@vivo.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Rob Herring <robh+dt@kernel.org>,
        Felipe Balbi <balbi@kernel.org>, <linux-usb@vger.kernel.org>,
        <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>
CC:     <kernel@vivo.com>
References: <20211215130325.19017-1-akingchen@vivo.com>
 <20211215130325.19017-3-akingchen@vivo.com>
From:   Sergey Shtylyov <s.shtylyov@omp.ru>
Organization: Open Mobile Platform
In-Reply-To: <20211215130325.19017-3-akingchen@vivo.com>
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Precedence: bulk

On 15.12.2021 16:03, Yaqin Pan wrote:

> Add snps,dis_split_quirk property for dwc3 controller
> 
> Signed-off-by: Yaqin Pan <akingchen@vivo.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.

    Transactions.

> +      Needed to avoid emurate some devices fail.

    Avoid failing to enumerating some devices?

[...]

MBR, Sergey