From 32c9cf22fccb371745bde98e1da1c3aeb4bb9f36 Mon Sep 17 00:00:00 2001
From: Armando Visconti <armando.visconti@st.com>
Date: Thu, 13 Dec 2012 15:11:19 +0100
Subject: [PATCH] usb: gadget zero: avoid unnecessary reinit of data in
 f_sourcesink

In the IN case, since the USB request is allocated only when
the source/sink function is started and never freed, the USB ept
buffer needs to be initialized only at the beginning. This change
results into a more performant g_zero module, especially when
'pattern=1' is selected.

Signed-off-by: Armando Visconti <armando.visconti@st.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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