linux-kernel - Re: [PATCH net-next 2/2] net: renesas: rswitch: remove speed from gwca structure

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Message-ID: <Z1abEqA5Jngxkxr6@mev-dev.igk.intel.com>
Date: Mon, 9 Dec 2024 08:24:02 +0100
From: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
To: Nikita Yushchenko <nikita.yoush@...entembedded.com>
Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
	Andrew Lunn <andrew@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	netdev@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Michael Dege <michael.dege@...esas.com>,
	Christian Mardmoeller <christian.mardmoeller@...esas.com>,
	Dennis Ostermann <dennis.ostermann@...esas.com>
Subject: Re: [PATCH net-next 2/2] net: renesas: rswitch: remove speed from
 gwca structure

On Sat, Dec 07, 2024 at 12:21:40AM +0500, Nikita Yushchenko wrote:
> This field is set but never used.
> 
> GWCA is rswitch CPU interface module which connects rswitch to the
> host over AXI bus. Speed of the switch ports is not anyhow related to
> GWCA operation.
> 
> Signed-off-by: Nikita Yushchenko <nikita.yoush@...entembedded.com>
> ---
>  drivers/net/ethernet/renesas/rswitch.c | 3 ---
>  drivers/net/ethernet/renesas/rswitch.h | 1 -
>  2 files changed, 4 deletions(-)
> 
> diff --git a/drivers/net/ethernet/renesas/rswitch.c b/drivers/net/ethernet/renesas/rswitch.c
> index cba80ccc3ce2..8ac6ef532c6a 100644
> --- a/drivers/net/ethernet/renesas/rswitch.c
> +++ b/drivers/net/ethernet/renesas/rswitch.c
> @@ -1902,9 +1902,6 @@ static int rswitch_device_alloc(struct rswitch_private *priv, unsigned int index
>  	if (err < 0)
>  		goto out_get_params;
>  
> -	if (rdev->priv->gwca.speed < rdev->etha->speed)
> -		rdev->priv->gwca.speed = rdev->etha->speed;
> -
>  	err = rswitch_rxdmac_alloc(ndev);
>  	if (err < 0)
>  		goto out_rxdmac;
> diff --git a/drivers/net/ethernet/renesas/rswitch.h b/drivers/net/ethernet/renesas/rswitch.h
> index 72e3ff596d31..303883369b94 100644
> --- a/drivers/net/ethernet/renesas/rswitch.h
> +++ b/drivers/net/ethernet/renesas/rswitch.h
> @@ -993,7 +993,6 @@ struct rswitch_gwca {
>  	DECLARE_BITMAP(used, RSWITCH_MAX_NUM_QUEUES);
>  	u32 tx_irq_bits[RSWITCH_NUM_IRQ_REGS];
>  	u32 rx_irq_bits[RSWITCH_NUM_IRQ_REGS];
> -	int speed;
>  };
>  

Nice cleanup
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>

>  #define NUM_QUEUES_PER_NDEV	2
> -- 
> 2.39.5