usb: gadget: add a forward pointer from usb_function to its "instance"

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We can have multiple usb_functions which origin is the same "instance".
Within one USB configuration there should be only one function of an
instance. This back pointer helps configfs to recoginze to which
instance a given usb_function belongs.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>

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Sebastian Andrzej Siewior 2012-12-23 21:10:15 +01:00 • committed by Felipe Balbi

parent 59835ad727

commit 0062f6e56f

2 changed files with 117 additions and 0 deletions

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116

drivers/usb/gadget/functions.c

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1

include/linux/usb/composite.h

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