* Ivaylo Dimitrov <ivo.g.dimitrov.75@xxxxxxxxx> [160503 10:46]: > On 3.05.2016 19:25, Tony Lindgren wrote: > >* Ivaylo Dimitrov <ivo.g.dimitrov.75@xxxxxxxxx> [160430 23:34]: > >> > >>Unfortunately that makes my n900 unbootable with USB cable detached, see the > >>attached file (at [ 152.121673]) when there is USB cable. I guess we're > >>missing a couple of pm_runtime_get()/put() calls. > > > >OK so it seems. I did some brief testing with n900 too, but never > >hit this so far. Care to email me the kernel .config you're using > >so I can try to reproduce it here? > > > > .config is attached. There is stuff in it still to be upstreamed, just > ignore it :). Or, you may pull > https://github.com/freemangordon/linux-n900/commits/v4.6-rc4-n900-camera, > apply the $subject series on top of it and build rx51_defconfig. There > shouldn't be any patches touching USB. > > Does bqXXX and isp1707_charger modules got loaded when you tested it? Or > those were built-in? or not built at all? As it seems the problem arises > when those try to touch USB ULPI. OK managed to track this issue down. It's related to built-in musb where a -EPROBE_DEFER causes musb to reinit. And then PM runtime got confused about the musb glue layer parent use count. And then doing a modprobe isp1704_charger caused a problem with the ulpi read/write. Will repost the whole series after some more testing and clean-up. Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
