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

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Message-ID: <5eb92897-1ef9-3c1c-c068-7fef759ec9ad@omp.ru>
Date:   Thu, 16 Dec 2021 18:59:27 +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 2/2] dt-bindings: usb: document snps,dis_split_quirk
 property in dwc3

On 12/16/21 11:26 AM, Sergey Shtylyov wrote:

>> Add snps,dis_split_quirk property for dwc3 controller
>>
>> 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.
> 
>    Transactions.
> 
>> +      Needed to avoid emurate some devices fail.
> 
>    Avoid failing to enumerating some devices?

   Sorry. enumarate. :-)

[...]

MBR, Sergey