From: Giuseppe CAVALLARO <peppe.cavallaro@st.com>
Date: Tue, 18 Oct 2011 00:01:19 +0000 (+0000)
Subject: stmmac: protect tx process with lock (V4)
X-Git-Tag: v3.2-rc1~182^2~58
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a9097a9666fd7b08fd2a152b2a0b6c8d48639bb2;p=pandora-kernel.git

stmmac: protect tx process with lock (V4)

This patch fixes a problem raised on Orly ARM SMP platform
where, in case of fragmented frames, the descriptors
in the TX ring resulted broken. This was due to a missing lock
protection in the tx process.

Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Tested-by: Srinivas Kandagatla <srinivas.kandagatla@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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