linux-kernel - Re: [PATCH net V3] eth: lan743x: reject extts for non-pci11x1x devices

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Date:   Wed, 28 Sep 2022 09:27:25 +0200
From:   Horatiu Vultur <horatiu.vultur@...rochip.com>
To:     Raju Lakkaraju <Raju.Lakkaraju@...rochip.com>
CC:     <netdev@...r.kernel.org>, <davem@...emloft.net>, <kuba@...nel.org>,
        <linux-kernel@...r.kernel.org>, <bryan.whitehead@...rochip.com>,
        <edumazet@...gle.com>, <pabeni@...hat.com>,
        <UNGLinuxDriver@...rochip.com>
Subject: Re: [PATCH net V3] eth: lan743x: reject extts for non-pci11x1x
 devices

The 09/28/2022 12:38, Raju Lakkaraju wrote:

Hi Raju,

> 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)")

The fixes tag should not spread over multiple lines. Also you have extra
spaces between External and Timestamp which doesn't appear in the actual
commit.

Also you have an empty line between Fixes and Reviewed-by tags.
> 
> Reviewed-by: Jakub Kicinski <kuba@...nel.org>

I am not sure that Jakub gave his Reviewed-by, but maybe I have missed
that.

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

-- 
/Horatiu