From 74b9c3ea847f060c784e86453f1ad77dd05a7a8f Mon Sep 17 00:00:00 2001
From: Shawn Bohrer <sbohrer@rgmadvisors.com>
Date: Tue, 7 Jan 2014 12:49:17 -0600
Subject: [PATCH] mlx4_en: Select PTP_1588_CLOCK

Now that mlx4_en includes a PHC driver it must select PTP_1588_CLOCK.

   drivers/built-in.o: In function `mlx4_en_get_ts_info':
>> en_ethtool.c:(.text+0x391a11): undefined reference to `ptp_clock_index'
   drivers/built-in.o: In function `mlx4_en_remove_timestamp':
>> (.text+0x397913): undefined reference to `ptp_clock_unregister'
   drivers/built-in.o: In function `mlx4_en_init_timestamp':
>> (.text+0x397b20): undefined reference to `ptp_clock_register'

Fixes: ad7d4eaed995d ("mlx4_en: Add PTP hardware clock")
Signed-off-by: Shawn Bohrer <sbohrer@rgmadvisors.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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