From: Raju Lakkaraju Date: Fri, 30 Sep 2022 09:27:40 +0000 (+0530) Subject: eth: lan743x: reject extts for non-pci11x1x devices X-Git-Tag: v5.19.17~429 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d06ee1cbffc6a84ef28a65beec1a2c19b830c77a;p=thirdparty%2Fkernel%2Fstable.git eth: lan743x: reject extts for non-pci11x1x devices [ Upstream commit cb4b12071a4b68df323c339f60805834246b3e9e ] 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 Reviewed-by: Horatiu Vultur Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- diff --git a/drivers/net/ethernet/microchip/lan743x_ptp.c b/drivers/net/ethernet/microchip/lan743x_ptp.c index 6a11e2ceb013b..da3ea905adbb8 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: