usb: dwc3: gadget: increment dequeue pointer on completion

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Instead of waiting until giveback before
incrementing the dequeue pointer, we can increment
it from dwc3_cleanup_done_reqs(), that way we avoid
an extra loop over all TRBs during giveback.

While at that, also avoid using req->first_trb_index
as that's completely unnecessary. A follow-up patch
will clean up further uses of that and remove the
field altogether.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

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This commit is contained in:

Felipe Balbi 2016-08-11 12:24:27 +03:00

parent 4bc48c9747

commit 737f1ae255

1 changed files with 3 additions and 14 deletions

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17

drivers/usb/dwc3/gadget.c

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