Re: [PATCH] ptp_clock: future-proofing drivers against PTP subsystem becoming optional

On Tue, Sep 20, 2016 at 07:25:58PM -0400, Nicolas Pitre wrote:

Drivers must be ready to accept NULL from ptp_clock_register() if the
PTP clock subsystem is configured out.

This patch documents that and ensures that all drivers cope well
with a NULL return.

Signed-off-by: Nicolas Pitre <redacted>
Reviewed-by: Eugenia Emantayev <redacted>

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Let's have the basics merged now and work out the actual Kconfig issue 
separately. Richard, if you agree with this patch, I think this could go 
via the netdev tree.

It looks ok to me.

Acked-by: Richard Cochran <richardcochran@gmail.com>