linux-kernel - Re: [PATCH 01/11] dt-bindings: usb: mtk-xhci: add support property 'tpl-support'

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Message-ID: <0ad1ff768954580b3b4a6a344eacde7a35a8ad2c.camel@mediatek.com>
Date:   Thu, 12 Aug 2021 02:28:55 +0000
From:   Chunfeng Yun (云春峰) 
        <Chunfeng.Yun@...iatek.com>
To:     "robh@...nel.org" <robh@...nel.org>
CC:     "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "mathias.nyman@...el.com" <mathias.nyman@...el.com>,
        Eddie Hung (洪正鑫) 
        <Eddie.Hung@...iatek.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "matthias.bgg@...il.com" <matthias.bgg@...il.com>
Subject: Re: [PATCH 01/11] dt-bindings: usb: mtk-xhci: add support property
 'tpl-support'

On Fri, 2021-08-06 at 14:37 -0600, Rob Herring wrote:
> On Fri, Jul 30, 2021 at 04:49:52PM +0800, Chunfeng Yun wrote:
> > Add property 'tpl-support' to support targeted peripheral list
> > for USB-IF Embedded Host Compliance Test
> 
> Given you have to configure the TPL somehow, how is this useful to be
> in 
> DT? And no, that's not a suggestion to put all the TPL config into
> DT.
It's indeed not flexible here, abandon this patch.

Thanks

> 
> > 
> > Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
> > ---
> >  Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml | 2
> > ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/usb/mediatek,mtk-
> > xhci.yaml b/Documentation/devicetree/bindings/usb/mediatek,mtk-
> > xhci.yaml
> > index 240882b12565..49729aab6d1a 100644
> > --- a/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
> > +++ b/Documentation/devicetree/bindings/usb/mediatek,mtk-xhci.yaml
> > @@ -115,6 +115,8 @@ properties:
> >  
> >    usb2-lpm-disable: true
> >  
> > +  tpl-support: true
> > +
> >    imod-interval-ns:
> >      description:
> >        Interrupt moderation interval value, it is 8 times as much
> > as that
> > -- 
> > 2.18.0
> > 
> >