Re: [PATCH net V5] eth: lan743x: reject extts for non-pci11x1x devices

From: Horatiu Vultur
Date: Fri Sep 30 2022 - 07:40:33 EST


The 09/30/2022 14:57, Raju Lakkaraju wrote:
> 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@xxxxxxxxxxxxx>

Reviewed-by: Horatiu Vultur <horatiu.vultur@xxxxxxxxxxxxx>

> ---
> Changes:
> ========
> V4 -> V5:
> - Remove the Reviewed-by tag added by me
> - Correct the Fixes tag subject line
>
> V3 -> V4:
> - Fix the Fixes tag line split
>
> 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
>

--
/Horatiu