imx8mm/imx8mn hang on usb stop / ehci_shutdown

[Adam Ford]

On Thu, Apr 27, 2023 at 12:52 PM Tim Harvey <tharvey at gateworks.com> wrote:
>
> On Thu, Apr 27, 2023 at 10:49 AM Fabio Estevam <festevam at gmail.com> wrote:
> >
> > Hi Adam,
> >
> > On Thu, Apr 27, 2023 at 2:42 PM Adam Ford <aford173 at gmail.com> wrote:
> >
> > > There was some re-organization of the power domains in Linux in the
> > > device tree [1].  Do you know if those propagated to U-Boot?
> >
> > Excellent, I just synced the kernel imx8mm.dtsi with U-Boot and it
> > does fix the "ums 0 mmc 1" issue I just described.
> >
> > I will submit the dtsi sync patch. Thanks!
>
> Fabio,
>
> The original issue I was trying to solve should not be visible on
> imx8mm-evk unless you changed its usbotg1 to dr_mode = "host" in which
> case you should see a hang with a simple 'usb start && usb stop'.

If you leave it without the "host" but connect a device to the port
with a host adapter, do you get the same behavior?

adam
>
> Best Regards,
>
> Tim