From: Dong Zhu <bluezhudong@gmail.com>
Date: Tue, 17 Sep 2013 07:32:35 +0000 (+0800)
Subject: ptp: add the PTP_SYS_OFFSET ioctl to the testptp program
X-Git-Tag: v3.13-rc1~105^2~328
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=568ebc5985f5d849814117e40967b5d2e739405c;p=pandora-kernel.git

ptp: add the PTP_SYS_OFFSET ioctl to the testptp program

This patch add a method into testptp.c to measure the time offset
between phc and system clock through the ioctl PTP_SYS_OFFSET.

Signed-off-by: Dong Zhu <bluezhudong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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