> Subject: Re: [PATCH v2 2/2] usb: dwc3: Add workaround for host mode VBUS
> glitch when boot
>
> On Tue, Feb 19, 2019 at 1:24 AM Ran Wang wrote:
> >
> > When DWC3 is set to host mode by programming register DWC3_GCTL, VBUS
> > (or its control signal) will be turned o
On Tue, Feb 19, 2019 at 1:24 AM Ran Wang wrote:
>
> When DWC3 is set to host mode by programming register DWC3_GCTL, VBUS
> (or its control signal) will be turned on immediately on related Root Hub
> ports. Then, the VBUS is turned off for a little while(15us) when do xhci
> reset (conducted by xh
When DWC3 is set to host mode by programming register DWC3_GCTL, VBUS
(or its control signal) will be turned on immediately on related Root Hub
ports. Then, the VBUS is turned off for a little while(15us) when do xhci
reset (conducted by xhci driver) and back to normal finally, we can
observe a neg
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