Messages in this thread | | | Date | Mon, 21 Apr 2014 16:05:29 -0500 | Subject | Re: [RFC] driver-core: Remove dummy 'platform_bus' | From | Rob Herring <> |
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On Wed, Nov 21, 2012 at 8:44 AM, Grant Likely <grant.likely@secretlab.ca> wrote: > The "platform_bus" (note: not platform_bus_type) only exists as an empty > directory to put platform devices into. However, it really doesn't make > sense to segregate all the platform devices into a sub directory when > typically they are memory mapped devices that doen't go through any > particular bus. Particularly on embedded type platforms the platform_bus > directory doesn't add anything. > > However, this will probably just end up breaking some userspace that > depends on the /sys/devices/platform/ path to be present (no matter how > much we protest that userspace must not depend on paths in sysfs). So > while I'm seriously proposing this change, it may just be unacceptable > ABI breakage
An old thread, but was there ever a conclusion to this? We now have a mixture of using platform_bus as the parent or not on various ARM platforms.
Rob
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