On 14/03/14 12:19, Tomi Valkeinen wrote: > On 14/03/14 12:14, Mark Rutland wrote: > >> I can't see anything obviously wrong in platform_device_del. Do you have >> a backtrace? > > Yes, below. > > I can see at least drivers/usb/dwc3/dwc3-exynos.c doing the exact same thing > I do, so maybe I've got something wrong with the omapdss driver. Looks to me that the devices created by of_platform_populate() are not unregisterable in all cases. The address resource created via of_platform_populate() had NULL res->parent, which causes release_resource to crash. I can as well call of_platform_populate() in the platform init code at boot time, and create the devices there for now. Tomi
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