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authorRichard Cochran <richardcochran@gmail.com>2014-03-20 22:21:52 +0100
committerDavid S. Miller <davem@davemloft.net>2014-03-21 14:21:13 -0400
commit6092315dfdec5185881605d15a0e200d6e90eb66 (patch)
tree8b018970396a2e2380fe51ed14d2f860ce6010e1 /Documentation/ptp
parenta85ae0e97879f51bccd8511668b07d346d98b3eb (diff)
ptp: introduce programmable pins.
This patch adds a pair of new ioctls to the PTP Hardware Clock device interface. Using the ioctls, user space programs can query each pin to find out its current function and also reprogram a different function if desired. Signed-off-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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