MUSB: Idea: board-specific OTG ID pin interrupt support

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Playing around with MUSB OTG on TI DM355 I am having some trouble getting A-B role switching working.

On my board by happy design foresight, USB ID is also wired to a GPIO. I am currently having a go at hacking an ID interrupt into the MUSB driver to prod the state machine.

This email is to see if anyone has any comments or suggestions on this approach, and to see if it might be worth cleaning up and abstracting the support through platform data or whatever, and sending some patches so other boards could use this (and you fine people can spot my glaring bugs).

Thanks,

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Jon Povey
jon.povey@xxxxxxxxxxxxxxx

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