[PATCH net V3] eth: lan743x: reject extts for non-pci11x1x devices
From: Raju Lakkaraju
Date: Tue Sep 27 2022 - 23:12:44 EST
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 ("Add support for PTP-IO Event Input External Timestamp
(extts)")
Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@xxxxxxxxxxxxx>
Reviewed-by: Jakub Kicinski <kuba@xxxxxxxxxx>
---
Changes:
========
V2 -> V3:
- Correct the Fixes tag
V1 -> V2:
- Repost against net with a Fixes tag
drivers/net/ethernet/microchip/lan743x_ptp.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/net/ethernet/microchip/lan743x_ptp.c b/drivers/net/ethernet/microchip/lan743x_ptp.c
index 6a11e2ceb013..da3ea905adbb 100644
--- 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:
--
2.25.1