[v3,2/3] usb/gadget: Add an EP dispose() callback for EP lifetime tracking

[Greg KH <greg@kroah.com>]

On Fri, Jan 12, 2018 at 05:50:03PM +1100, Benjamin Herrenschmidt wrote:
> Some UDC may want to allocate endpoints dynamically, either because
> the HW supports an arbitrary large number or because (like the Aspeed
> BMC SoCs), the pool of HW endpoints is shared between multiple gadgets.
> 
> The allocation side can be done rather easily using the existing
> match_ep() UDC hook.
> 
> However we have no good place to "free" them.
> 
> This implements a "simple" variant of this, which calls an EP dispose
> callback on all EPs associated with a gadget when the composite device
> gets unbound.
> 
> This is required by my upcoming Aspeed vHub driver.
> 
> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> ---
>  drivers/usb/gadget/composite.c | 8 ++++++++
>  include/linux/usb/gadget.h     | 1 +
>  2 files changed, 9 insertions(+)

Any reason you aren't sending these to the maintainer of the usb gadget
subsystem?  get_maintainer.pl is your friend :)

thanks,

greg k-h
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