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Diffstat (limited to 'include/uapi/linux/ptp_clock.h')
-rw-r--r--include/uapi/linux/ptp_clock.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/uapi/linux/ptp_clock.h b/include/uapi/linux/ptp_clock.h
index 304059b1609d..9dc9d0079e98 100644
--- a/include/uapi/linux/ptp_clock.h
+++ b/include/uapi/linux/ptp_clock.h
@@ -31,6 +31,7 @@
#define PTP_ENABLE_FEATURE (1<<0)
#define PTP_RISING_EDGE (1<<1)
#define PTP_FALLING_EDGE (1<<2)
+#define PTP_STRICT_FLAGS (1<<3)
#define PTP_EXTTS_EDGES (PTP_RISING_EDGE | PTP_FALLING_EDGE)
/*
@@ -38,7 +39,8 @@
*/
#define PTP_EXTTS_VALID_FLAGS (PTP_ENABLE_FEATURE | \
PTP_RISING_EDGE | \
- PTP_FALLING_EDGE)
+ PTP_FALLING_EDGE | \
+ PTP_STRICT_FLAGS)
/*
* flag fields valid for the original PTP_EXTTS_REQUEST ioctl.