eth: lan743x: reject extts for non-pci11x1x devices

Remove PTP_PF_EXTTS support for non-PCI11x1x devices since they do not support
the PTP-IO Input event triggered timestamping mechanisms added

Fixes: 60942c397af6 ("net: lan743x: Add support for PTP-IO Event Input External Timestamp (extts)")
Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microchip.com>
Reviewed-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/microchip/lan743x_ptp.c b/drivers/net/ethernet/microchip/lan743x_ptp.c
index 6a11e2c..da3ea90 100644 (file)
--- a/drivers/net/ethernet/microchip/lan743x_ptp.c
+++ b/drivers/net/ethernet/microchip/lan743x_ptp.c
@@ -1049,6 +1049,10 @@ static int lan743x_ptpci_verify_pin_config(struct ptp_clock_info *ptp,
                                           enum ptp_pin_function func,
                                           unsigned int chan)
 {
+       struct lan743x_ptp *lan_ptp =
+               container_of(ptp, struct lan743x_ptp, ptp_clock_info);
+       struct lan743x_adapter *adapter =
+               container_of(lan_ptp, struct lan743x_adapter, ptp);
        int result = 0;
 
        /* Confirm the requested function is supported. Parameter
@@ -1057,7 +1061,10 @@ static int lan743x_ptpci_verify_pin_config(struct ptp_clock_info *ptp,
        switch (func) {
        case PTP_PF_NONE:
        case PTP_PF_PEROUT:
+               break;
        case PTP_PF_EXTTS:
+               if (!adapter->is_pci11x1x)
+                       result = -1;
                break;
        case PTP_PF_PHYSYNC:
        default: