From: Neil Zhang <zhangwm@marvell.com>
Date: Wed, 12 Oct 2011 08:49:33 +0000 (+0800)
Subject: usb: gadget: mv_udc: rewrite fifo flush
X-Git-Tag: v3.2-rc1~183^2~27
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0c70840b22d9f3b762f21a28bface1a42c0c5ba2;p=pandora-kernel.git

usb: gadget: mv_udc: rewrite fifo flush

1: Add parameter check.
2: For controller endpoint, we need to flush in and out directions.
3: delete redundant code, make it more readable.

Signed-off-by: Neil Zhang <zhangwm@marvell.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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