usb: gadget: printer: add container_of helper for printer_dev

5 uses of container_of() in the same context justify wrapping it
in a static inline function.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Andrzej Pietrasiewicz 2015-03-03 10:52:22 +01:00 • committed by Felipe Balbi
commit 143d53e10e