netdev - Query regarding PTP_1588

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Date:	Mon, 15 Apr 2013 14:16:18 -0400
From:	Valdis Kletnieks <Valdis.Kletnieks@...edu>
To:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Query regarding PTP_1588_CLOCK

In drivers/net/ethernet/intel/Kconfig, we see this:

config E1000E
        tristate "Intel(R) PRO/1000 PCI-Express Gigabit Ethernet support"
        depends on PCI && (!SPARC32 || BROKEN)
        select CRC32
        select PTP_1588_CLOCK
        ---help---

Is there a reason for the PTP_1588_CLOCK select?  That ends up
forcing the PTP and PPS stuff into the kernel as well - and I don't
use any of it.

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