From: Jiri Benc <jbenc@redhat.com>
Date: Fri, 12 Apr 2013 00:56:15 +0000 (+0000)
Subject: ptp: dynamic allocation of PHC char devices
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~65^2~136
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7356a764cd76e155014c226ccb157219be918891;p=pandora-kernel.git

ptp: dynamic allocation of PHC char devices

As network adapters supporting PTP are becoming more common, machines with
many NICs suddenly have many PHCs, too. The current limit of eight /dev/ptp*
char devices (and thus, 8 network interfaces with PHC) is insufficient. Let
the ptp driver allocate the char devices dynamically.

Tested with 28 PHCs, removing and re-adding some of them.

Thanks to Ben Hutchings for advice leading to simpler and cleaner patch.

Signed-off-by: Jiri Benc <jbenc@redhat.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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