From: Ravi Babu <ravibabu@ti.com>
Date: Tue, 2 Apr 2013 07:52:42 +0000 (+0530)
Subject: usb: musb: gadget: read ep0 fifo only if rxcount is non zero
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~135^2~63^2~35
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=538bf07d897008e87eca49cde5970545f3814ac7;p=pandora-kernel.git

usb: musb: gadget: read ep0 fifo only if rxcount is non zero

avoid reading fifo rxcount is zero of fifo is empty, hence
read fifo only if rxcount is non-zero

Signed-off-by: Ravi Babu <ravibabu@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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