Re: [PATCH 1/3] arm: dts: imx8mm: Sync with Linux 6.3

[Tim Harvey <tharvey@gateworks.com>]

On Thu, Apr 27, 2023 at 12:14 PM Tim Harvey <tharvey@gateworks.com> wrote:
>
> On Thu, Apr 27, 2023 at 12:11 PM Fabio Estevam <festevam@gmail.com> wrote:
> >
> > On Thu, Apr 27, 2023 at 3:56 PM Tim Harvey <tharvey@gateworks.com> wrote:
> >
> > > Fabio,
> > >
> > > This causes a hang on imx8mm boards when usbotg2 (usb@32e50000) is
> > > enabled. You can re-create this on the imx8mm-evk with:
> >
> > I am able to reproduce the hang after enabling usbotg2, but this hang
> > is not caused
> > by the imx8mm.dtsi sync. The hang also happens if I revert the imx8mm.dtsi sync.
> >
> > The usbotg2 is a different issue.
> >
> > > Note the imx8mm-evk does have the 2nd host controller but its
> > > currently not enabled due to missing bits to deal with the USB 3.0
> > > GPIO controlled mux.
> > >
> > > Is there perhaps a corresponding change necessary in the
> > > imx8m-power-domain driver?
> >
> > I haven't checked, but yes, it is very likely some imx8m-power-domain
> > changes are needed.
>
> Fabio,
>
> The patch series from Eugen Hristev which implements reference
> counting for regulators [1] resolves my issue here so I consider this
> thread closed.
>
> Let's move the discussion regarding your dt sync to those threads.
>
> Best Regards,
>
> Tim
> [1] https://patchwork.ozlabs.org/project/uboot/list/?series=351536

Fabio,

Sorry, responded to the wrong thread here. The thread regarding imx8mm
hang on usb_stop is resolved with the regulator reference counting
support.

The dt sync here still needs some work apparently.

Best Regards,

Tim