On 14/03/14 11:10, Mark Rutland wrote: > The "simple-bus" compatible string is intended for busses which are > transparent (bar some address remapping expressed via ranges), and is > not intended as an annotation to get Linux to probe child nodes. > > Any node with a "simple-bus" entry in the compatible list should either > be handled as a transparent bus, or optionally as the more specific bus > it claims to be (where some hardware configuration may be required > before children can be probed). Unfortunately Linux probes chidlren > regardless, which is arguable a Linux bug. > > There's no reason to leak this issue into dts files. Please remove the > "simple-bus" string, and get the dss driver to probe children as > required -- as described above the dss node never makes sense as a > simple-bus. Ok. I'll remove the simple-bus, and make the dss_core register the devices. I presume of_platform_populate() is fine for this? Seems to work fine for registration, but I haven't figured out yet how to unregister the devices (I get a crash in platform_device_del() if I just call platform_device_unregister for the submodules). Tomi
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