kernel.git/drivers/usb/gadget/functions.c, branch linux-4.5.yHosts the 0x221E linux distro kernel.
https://git.0xinfinity.dev/distro/kernel.git/atom?h=linux-4.5.y2013-01-21T18:52:46Zusb: gadget: add a forward pointer from usb_function to its "instance"2013-01-21T18:52:46ZSebastian Andrzej Siewior2012-12-23T20:10:15Zurn:sha1:0062f6e56f70bd2230ba1ebd1667d1b32a1af3b2
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>