Messages in this thread | | | From | Grant Likely <> | Date | Fri, 11 Mar 2011 15:45:01 -0700 | Subject | Re: RFC: Platform data for onboard USB assets |
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On Fri, Mar 11, 2011 at 2:50 AM, Andy Green <andy@warmcat.com> wrote: > Hi - > > platform_data is a well established way in Linux to pass configuration data > up to on-board assets from a machine file like mach-xyz.c. It's also > supported to pass platform_data up to devices that are probed asynchronously > from busses like i2c as well, which is very handy. > > However AFAIK it's not possible to bind platform_data to probed USB devices > as it stands.
Oh, please no.
platform_data is an ugly non-type-checked anonymous pointer. If you need to pass data to a driver, use something better designed. A device tree fragment would work, or provide some kind of query api. platform_data is definitely the wrong approach.
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