[RFC PATCH 4/5] PTP: Add flag for non-periodic output

[Felipe Balbi]

When this new flag is set, we can use single-shot output.

Signed-off-by: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx>
---
 include/uapi/linux/ptp_clock.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/uapi/linux/ptp_clock.h b/include/uapi/linux/ptp_clock.h
index 674db7de64f3..439cbdfc3d9b 100644
--- a/include/uapi/linux/ptp_clock.h
+++ b/include/uapi/linux/ptp_clock.h
@@ -67,7 +67,9 @@ 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. */
+
+#define PTP_PEROUT_ONE_SHOT BIT(0)
+	unsigned int flags;           /* Bit 0 -> oneshot output. */
 	unsigned int rsv[4];          /* Reserved for future use. */
 };
 
-- 
2.22.0