Hi Greg, On 23-03-27, Greg Ungerer wrote: > Hi Ahmad, > > On 27/3/23 17:16, Ahmad Fatoum wrote: > > On 27.03.23 08:27, Alexander Stein wrote: > > > Am Montag, 27. März 2023, 06:50:37 CEST schrieb Greg Ungerer: > > > > Any thoughts on why this breaks USB? > > > > > > Maybe you are missing CONFIG_INTERCONNECT_IMX8MP? > > > > And if that's the case, did you check /sys/kernel/debug/devices_deferred > > to see if there was any indication that this is the reason? > > Yeah, it does: > > # cat /sys/kernel/debug/devices_deferred > 32f10100.usb platform: supplier 32f10000.blk-ctrl not ready > 32f10108.usb platform: supplier 32f10000.blk-ctrl not ready > 32ec0000.blk-ctrl imx8m-blk-ctrl: failed to get noc entries > 381f0040.usb-phy platform: supplier 32f10000.blk-ctrl not ready > 382f0040.usb-phy platform: supplier 32f10000.blk-ctrl not ready > imx-pgc-domain.11 > imx-pgc-domain.12 > imx-pgc-domain.13 > 38330000.blk-ctrl platform: supplier imx-pgc-domain.11 not ready > 32f10000.blk-ctrl imx8mp-blk-ctrl: failed to get noc entries > > As far as I can tell blk-ctrl should be good: > > # > # i.MX SoC drivers > # > CONFIG_IMX_GPCV2_PM_DOMAINS=y > CONFIG_SOC_IMX8M=y > # CONFIG_SOC_IMX9 is not set > CONFIG_IMX8M_BLK_CTRL=y > # end of i.MX SoC drivers > > > > If you didn't find any hint there, you might want to place a > > dev_err_probe with a suitable message at the place where -EPROBE_DEFER > > was returned. > > I will try that. Can you check that CONFIG_ARM_IMX_BUS_DEVFREQ is enabled? This is the noc/interconnect driver. This could also the problem for you vpu issue. Regards, Marco > > Thanks > Greg > > > >
