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Commit 823eb2a3 authored by Felipe Balbi's avatar Felipe Balbi Committed by David S. Miller
Browse files

PTP: add support for one-shot output 



Some controllers allow for a one-shot output pulse, in contrast to
periodic output. Now that we have extensible versions of our IOCTLs, we
can finally make use of the 'flags' field to pass a bit telling driver
that if we want one-shot pulse output.

Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
Reviewed-by: default avatarRichard Cochran <richardcochran@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 41560658

include/uapi/linux/ptp_clock.h

+3 −3
Original line number Diff line number Diff line
@@ -38,8 +38,8 @@ 
/*

 * Bits of the ptp_perout_request.flags field:

 */

#define PTP_PEROUT_VALID_FLAGS (0)



#define PTP_PEROUT_ONE_SHOT (1<<0)

#define PTP_PEROUT_VALID_FLAGS	(PTP_PEROUT_ONE_SHOT)

/*

 * struct ptp_clock_time - represents a time value

 *
@@ -77,7 +77,7 @@ struct ptp_perout_request { 
	struct ptp_clock_time start;  /* Absolute start time. */

	struct ptp_clock_time period; /* Desired period, zero means disable. */

	unsigned int index;           /* Which channel to configure. */

	unsigned int flags;           /* Reserved for future use. */

	unsigned int flags;

	unsigned int rsv[4];          /* Reserved for future use. */

};