Hi John, Did you ever resolve this?
> On Oct 19, 2015, at 11:08 , John Syne <john3...@gmail.com> wrote: > > Hi Rich, > > I have this working on BBB using V4.1.6-bone15, but I should receive an x15 > sometime today and it will take me a few days to do testing. There is however > one hick-up that needs input from Pantelis to resolve. When BBB first boots, > remoteproc/virtio_rpmsg_bus load automatically and the PRU firmware loads as > before. The sample code under samples/rpmsg work work perfectly. However, if > I uninstall remoteproc.ko and then reinstall it, I get a kernel exception. > > Investigating further, I found that _omap_device_notifier_call sets > pdev->archdata.od = NULL when the pruss_remoteproc is uninstalled, but when I > install the pruss_remoteproc, pruss_probe tries to run > omap_device_deassert_hardreset which references archdata.od which is is now > NULL. > > Looking at TI’s V3.14 kernel, it does not set archdata.od = NULL, so I can > uninstall and install the KO without issue. > > In the V4.1 code, if I comment out lines 57 & 60 [1], pruss_remoteproc > uninstalls and installs without error. > > My question is how do I recreate archdata.od before pruss_probe executes > omap_device_deassert_hardreset? Given that this patch was authored by > Pantelis, I figured you would be the best person to answer my question. > > [1] > https://github.com/RobertCNelson/linux-dev/blob/master/patches/bbb_overlays/0006-arm-omap-Proper-cleanups-for-omap_device.patch > > > Regards, > John > > > > >> On Oct 18, 2015, at 7:11 PM, Robert Nelson <robertcnel...@gmail.com> wrote: >> >> On Sun, Oct 18, 2015 at 8:52 PM, Rick Mann <rm...@latencyzero.com> wrote: >>> >>>> On Oct 18, 2015, at 17:11 , Robert Nelson <robertcnel...@gmail.com> wrote: >>>> >>>> On Sun, Oct 18, 2015 at 7:05 PM, Rick Mann <rm...@latencyzero.com> wrote: >>>>> Pruss is still broken in the 4.1.10-ti-r21 kernel, right? >>>>> >>>>> Does anyone know if the new remoteproc thing can be used to download >>>>> existing firmware that was built with pruss in mind, and how I could >>>>> modify my code to use that instead? >>>>> >>>> >>>> another user got it working with remoteproc, he's just waiting for a >>>> beta-x15 to arrive so that they will work the same on both boards.. >>> >>> Oh, do you remember who that was? >> >> Yeap, he will post it when he's ready. >> >> Regards, >> >> -- >> Robert Nelson >> https://rcn-ee.com/ >> >> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to beagleboard+unsubscr...@googlegroups.com. >> For more options, visit https://groups.google.com/d/optout. > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to beagleboard+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- Rick Mann rm...@latencyzero.com -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
