On Thu, Apr 27, 2023 at 12:14 PM Tim Harvey <thar...@gateworks.com> wrote: > > On Thu, Apr 27, 2023 at 12:11 PM Fabio Estevam <feste...@gmail.com> wrote: > > > > On Thu, Apr 27, 2023 at 3:56 PM Tim Harvey <thar...@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