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

[David Miller]

From: Nicolas Pitre <nicolas.pitre@xxxxxxxxxx>
Date: Tue, 20 Sep 2016 19:25:58 -0400 (EDT)

> 
> 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 <nico@xxxxxxxxxx>
> Reviewed-by: Eugenia Emantayev <eugenia@xxxxxxxxxxxx>
> 
> ---
> 
> 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.

Applied to net-next, thanks.