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    SubjectRe: RFC: Platform data for onboard USB assets
    On Thu, 2011-03-17 at 23:22 +0000, Andy Green wrote:
    > Is there actually a need for sort of not platform_data but universal
    > vid_pid_specific_usb_device_option_data coming from the board
    > definition
    > file or bootloader for *pluggable* usb devices? udev seems to be
    > well
    > established doing that already in a generic, not-platform-specific
    > way
    > that can go in all distros and so on nicely. Maybe this is just my
    > impoverished imagination and people do want, say, some kinds of USB
    > mice
    > to operate at higher DPI or whatever when plugged in a specific board
    > because it is that board.

    Except that vid/pid are the -WRONG- way to do that. Your device is
    on-board, the proper way to identify it uniquely is it's topological
    location, ie path of HW port numbers.


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