Hi Tony, On Tuesday, 11 September 2018 18:16:41 EEST Tony Lindgren wrote: > * Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> [180911 15:10]: > > Hello, > > > > This series fixes a v4.19-rc1 regression that results in OMAP EHCI failing > > to probe (patch 1/3) and then moves on to cleaning up related code > > (patches 2/3 and 3/3). > > > > The first patch is a regression fix and should thus be merged before > > v4.19. The other two patches can wait until v4.20. > > Hmm can you please check again with this patch applied: > > "[PATCH] mfd: omap-usb-host: Fix dts probe of children" This fixes the issue for me. Tested-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > That was supposed to be queued for v4.18 but fell through the > cracks and I only recently noticed it but Lee has it tagged > now for v4.19-rc series. > > But maybe there are additional issues.. I think we can go one step further and avoid using fs_initcall, but that can wait for v4.20. What's your opinion on that ? If you agree I'll resubmit this series rebased on top of the aforementioned patch. > > Tony, as patch 1/3 fixes a problem introduced by one of your DT changes, > > could you please review it ? Out of curiosity, is ethernet on the > > Pandaboard not part of your regression tests ? > > Sorry not any longer.. I've switched over to wlan based > setup for PM testing: > > 1. u-boot downloads kernel dtb and modules.tar.gz and writes > modules.tar.gz to MMC card > > 2. on kernel boot, first modules.tar.gz is unpacked > > 3. distro brings up wlan but no USB ether > > So I can now test also PM on pandaboard-es. I do have ohci > enabled on droid4 though for mdm6600 modem, but usually have > ehci disabled as the w3glte modem on ehci does not yet work > with mainline kernel. :-/ If you have a test script that analyzes the kernel log, it would be useful to add a check to verify that the USB ethernet interface chip is detected. That would prevent the regression we're seeing here. > > Lee, could you then please make sure the patch gets to mainline before > > v4.19 final ? > > Let's first check what all is needed, I'll test here too. -- Regards, Laurent Pinchart