Re: Query regarding PTP_1588_CLOCK

From: David Miller
Date: Mon Apr 15 2013 - 14:19:59 EST

From: Valdis Kletnieks <Valdis.Kletnieks@xxxxxx>
Date: Mon, 15 Apr 2013 14:16:18 -0400

> 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.

You don't, but the driver does use it unconditionally.
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