UPSTREAM: usb: dwc3: gadget: add trb enqueue/dequeue helpers
Add three little helpers which will aid in making
the code slightly easier to read. One helper
increments enqueue pointer, another increments
dequeue pointer and the last one tests if we're
dealing with the last TRB.
Change-Id: I98da6b44c0a348978f5e03a374af5b951bb2adc5
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Wu Liang feng <wulf@rock-chips.com>
(cherry picked from commit
ef966b9d33533b0bf01fb8c4d586ac3b20a3bdb5)
projects / firefly-linux-kernel-4.4.55.git / commit