From: Grazvydas Ignotas <notasas@gmail.com>
Date: Sat, 4 Jul 2015 20:55:59 +0000 (+0300)
Subject: usb: musb: do multiple irq processing passes
X-Git-Tag: sz_173~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a2a97a039aec50399f02311d742fc3bf8ab7d449;p=pandora-kernel.git

usb: musb: do multiple irq processing passes

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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