linux-kernel - [PATCH net V2] net: lan743x: Fixes: 60942c397af6 ("Add support for PTP-IO Event Input External Timestamp (extts)")

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Message-ID: <20220923094134.10477-1-Raju.Lakkaraju@microchip.com>
Date:   Fri, 23 Sep 2022 15:11:34 +0530
From:   Raju Lakkaraju <Raju.Lakkaraju@...rochip.com>
To:     <netdev@...r.kernel.org>, <kuba@...nel.org>
CC:     <davem@...emloft.net>, <linux-kernel@...r.kernel.org>,
        <bryan.whitehead@...rochip.com>, <richardcochran@...il.com>,
        <edumazet@...gle.com>, <pabeni@...hat.com>,
        <UNGLinuxDriver@...rochip.com>, <Ian.Saturley@...rochip.com>
Subject: [PATCH net V2] net: lan743x: Fixes: 60942c397af6 ("Add support for PTP-IO Event Input External  Timestamp (extts)")

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

Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@...rochip.com>
---
Changes:                                                                        
========                                                                        
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