From: Luwei Zhou <b45643@freescale.com>
Date: Fri, 10 Oct 2014 05:15:29 +0000 (+0800)
Subject: net: fec: ptp: Use hardware algorithm to adjust PTP counter.
X-Git-Tag: omap-for-v3.19/prcm-cleanup~58^2~50^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=89bddcda7e4f4ff2586e736427405115c362bed4;p=pandora-kernel.git

net: fec: ptp: Use hardware algorithm to adjust PTP counter.

The FEC IP supports hardware adjustment for ptp timer. Refer to the description of
ENET_ATCOR and ENET_ATINC registers in the spec about the hardware adjustment. This
patch uses hardware support to adjust the ptp offset and frequency on the slave side.

Signed-off-by: Luwei Zhou <b45643@freescale.com>
Signed-off-by: Frank Li <Frank.Li@freescale.com>
Signed-off-by: Fugang Duan <b38611@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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