diff options
Diffstat (limited to 'drivers/net/ethernet/microchip/lan743x_ptp.c')
| -rw-r--r-- | drivers/net/ethernet/microchip/lan743x_ptp.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/ethernet/microchip/lan743x_ptp.c b/drivers/net/ethernet/microchip/lan743x_ptp.c index 4a777b449ecd..0be44dcb3393 100644 --- a/drivers/net/ethernet/microchip/lan743x_ptp.c +++ b/drivers/net/ethernet/microchip/lan743x_ptp.c @@ -942,6 +942,12 @@ static int lan743x_ptp_io_extts(struct lan743x_adapter *adapter, int on, extts = &ptp->extts[index]; + if (extts_request->flags & ~(PTP_ENABLE_FEATURE | + PTP_RISING_EDGE | + PTP_FALLING_EDGE | + PTP_STRICT_FLAGS)) + return -EOPNOTSUPP; + if (on) { extts_pin = ptp_find_pin(ptp->ptp_clock, PTP_PF_EXTTS, index); if (extts_pin < 0) |