From 0cf915809ce775cba3f08de5df1fb89bdbd95a28 Mon Sep 17 00:00:00 2001
From: Sonic Zhang <sonic.zhang@analog.com>
Date: Tue, 3 Sep 2013 13:55:07 +0800
Subject: [PATCH] driver:stmmac: Adjust time stamp increase for 0.465 ns
 accurate only when Time stamp binary rollover is set.

The synopsys spec says When TSCRLSSR is cleard, the rollover value of
sub-second register is 0x7FFFFFFF(0.465 ns per clock).

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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