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usb: musb: do multiple irq processing passes
authorGrazvydas Ignotas <notasas@gmail.com>
Sat, 4 Jul 2015 20:55:59 +0000 (23:55 +0300)
committerGrazvydas Ignotas <notasas@gmail.com>
Sun, 5 Jul 2015 20:33:34 +0000 (23:33 +0300)
seems to reduce irq scheduling overhead (~5% or so) and improve
responsiveness.
Not 100% sure if this is safe (doing this in musb_gadget_queue()
seems to lock up everything).


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