netdev - Re: [PATCH v2 net-next 11/14] net: enetc: remove unnecessary CONFIG_FSL_ENETC_PTP

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Message-ID: <aHgQnx6a8iHhgtJC@lizhi-Precision-Tower-5810>
Date: Wed, 16 Jul 2025 16:50:39 -0400
From: Frank Li <Frank.li@....com>
To: Wei Fang <wei.fang@....com>
Cc: robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
	richardcochran@...il.com, claudiu.manoil@....com,
	vladimir.oltean@....com, xiaoning.wang@....com,
	andrew+netdev@...n.ch, davem@...emloft.net, edumazet@...gle.com,
	kuba@...nel.org, pabeni@...hat.com, vadim.fedorenko@...ux.dev,
	shawnguo@...nel.org, s.hauer@...gutronix.de, festevam@...il.com,
	fushi.peng@....com, devicetree@...r.kernel.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	imx@...ts.linux.dev, kernel@...gutronix.de
Subject: Re: [PATCH v2 net-next 11/14] net: enetc: remove unnecessary
 CONFIG_FSL_ENETC_PTP_CLOCK check

On Wed, Jul 16, 2025 at 03:31:08PM +0800, Wei Fang wrote:
> The ENETC_F_RX_TSTAMP flag of priv->active_offloads can only be set when
> CONFIG_FSL_ENETC_PTP_CLOCK is enabled. Similarly, rx_ring->ext_en can
> only be set when CONFIG_FSL_ENETC_PTP_CLOCK is enabled as well. So it is
> safe to remove unnecessary CONFIG_FSL_ENETC_PTP_CLOCK check.
>
> Signed-off-by: Wei Fang <wei.fang@....com>
> Reviewed-by: Vadim Fedorenko <vadim.fedorenko@...ux.dev>

Reviewed-by: Frank Li <Frank.Li@....com>

> ---
>  drivers/net/ethernet/freescale/enetc/enetc.c | 3 +--
>  drivers/net/ethernet/freescale/enetc/enetc.h | 4 ++--
>  2 files changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c
> index ef002ed2fdb9..4325eb3d9481 100644
> --- a/drivers/net/ethernet/freescale/enetc/enetc.c
> +++ b/drivers/net/ethernet/freescale/enetc/enetc.c
> @@ -1411,8 +1411,7 @@ static void enetc_get_offloads(struct enetc_bdr *rx_ring,
>  		__vlan_hwaccel_put_tag(skb, tpid, le16_to_cpu(rxbd->r.vlan_opt));
>  	}
>
> -	if (IS_ENABLED(CONFIG_FSL_ENETC_PTP_CLOCK) &&
> -	    (priv->active_offloads & ENETC_F_RX_TSTAMP))
> +	if (priv->active_offloads & ENETC_F_RX_TSTAMP)
>  		enetc_get_rx_tstamp(rx_ring->ndev, rxbd, skb);
>  }
>
> diff --git a/drivers/net/ethernet/freescale/enetc/enetc.h b/drivers/net/ethernet/freescale/enetc/enetc.h
> index ce3fed95091b..c65aa7b88122 100644
> --- a/drivers/net/ethernet/freescale/enetc/enetc.h
> +++ b/drivers/net/ethernet/freescale/enetc/enetc.h
> @@ -226,7 +226,7 @@ static inline union enetc_rx_bd *enetc_rxbd(struct enetc_bdr *rx_ring, int i)
>  {
>  	int hw_idx = i;
>
> -	if (IS_ENABLED(CONFIG_FSL_ENETC_PTP_CLOCK) && rx_ring->ext_en)
> +	if (rx_ring->ext_en)
>  		hw_idx = 2 * i;
>
>  	return &(((union enetc_rx_bd *)rx_ring->bd_base)[hw_idx]);
> @@ -240,7 +240,7 @@ static inline void enetc_rxbd_next(struct enetc_bdr *rx_ring,
>
>  	new_rxbd++;
>
> -	if (IS_ENABLED(CONFIG_FSL_ENETC_PTP_CLOCK) && rx_ring->ext_en)
> +	if (rx_ring->ext_en)
>  		new_rxbd++;
>
>  	if (unlikely(++new_index == rx_ring->bd_count)) {
> --
> 2.34.1
>