diff options
Diffstat (limited to 'include/uapi/linux/ptp_clock.h')
-rw-r--r-- | include/uapi/linux/ptp_clock.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/uapi/linux/ptp_clock.h b/include/uapi/linux/ptp_clock.h index 18eefa6d93d6..2c3346e91dbe 100644 --- a/include/uapi/linux/ptp_clock.h +++ b/include/uapi/linux/ptp_clock.h @@ -37,6 +37,9 @@ /* * flag fields valid for the new PTP_EXTTS_REQUEST2 ioctl. + * + * Note: PTP_STRICT_FLAGS is always enabled by the kernel for + * PTP_EXTTS_REQUEST2 regardless of whether it is set by userspace. */ #define PTP_EXTTS_VALID_FLAGS (PTP_ENABLE_FEATURE | \ PTP_RISING_EDGE | \ |