ptp: introduce programmable pins.

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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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Richard Cochran 2014-03-20 22:21:52 +01:00 • committed by David S. Miller

parent a85ae0e978

commit 6092315dfd

5 changed files with 226 additions and 2 deletions

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128

drivers/ptp/ptp_chardev.c

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23

drivers/ptp/ptp_clock.c

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5

drivers/ptp/ptp_private.h

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33

include/linux/ptp_clock_kernel.h

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39

include/uapi/linux/ptp_clock.h

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