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    SubjectRe: RFC: Platform data for onboard USB assets
    On 03/11/2011 10:45 PM, Somebody in the thread at some point said:
    > 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.

    $ grep platform_data drivers/* -R | wc -l
    2110

    -Andy


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