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Date: Mon, 25 Feb 2019 15:38:07 -0600 From: Rob Herring <robh@...nel.org> To: Srinath Mannam <srinath.mannam@...adcom.com> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Mathias Nyman <mathias.nyman@...el.com>, Mark Rutland <mark.rutland@....com>, linux-usb@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 1/2] dt-bindings: usb-xhci: Add usb-phy-port-reset property On Tue, Feb 05, 2019 at 11:48:53AM +0530, Srinath Mannam wrote: > Add usb-phy-port-reset optional property to set quirk in xhci platform > driver which forces USB port PHY reset on port disconnect event. > > Signed-off-by: Srinath Mannam <srinath.mannam@...adcom.com> > Reviewed-by: Ray Jui <ray.jui@...adcom.com> > --- > Documentation/devicetree/bindings/usb/usb-xhci.txt | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.txt b/Documentation/devicetree/bindings/usb/usb-xhci.txt > index fea8b15..ecbdb15 100644 > --- a/Documentation/devicetree/bindings/usb/usb-xhci.txt > +++ b/Documentation/devicetree/bindings/usb/usb-xhci.txt > @@ -40,6 +40,7 @@ Optional properties: > - usb3-lpm-capable: determines if platform is USB3 LPM capable > - quirk-broken-port-ped: set if the controller has broken port disable mechanism > - imod-interval-ns: default interrupt moderation interval is 5000ns > + - usb-phy-port-reset: set this to do USB PORT PHY reset while disconnect > - phys : see usb-hcd.txt in the current directory This should be implied by the HCI or phy compatible string (depending on who exactly needs the quirky behavior). Rob
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