netdev - Re: [PATCH net-next v8 09/11] net: stmmac: dwmac-loongson: Fix half duplex

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Date: Fri, 22 Mar 2024 19:56:44 +0000
From: "Russell King (Oracle)" <linux@...linux.org.uk>
To: Serge Semin <fancer.lancer@...il.com>
Cc: Yanteng Si <siyanteng@...ngson.cn>, andrew@...n.ch,
	hkallweit1@...il.com, peppe.cavallaro@...com,
	alexandre.torgue@...s.st.com, joabreu@...opsys.com,
	Jose.Abreu@...opsys.com, chenhuacai@...ngson.cn,
	guyinggang@...ngson.cn, netdev@...r.kernel.org,
	chris.chenfeiyang@...il.com
Subject: Re: [PATCH net-next v8 09/11] net: stmmac: dwmac-loongson: Fix half
 duplex

On Fri, Mar 22, 2024 at 09:07:19PM +0300, Serge Semin wrote:
> diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
> index 25519952f754..24ff5d1eb963 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
> @@ -936,6 +936,22 @@ static void stmmac_mac_flow_ctrl(struct stmmac_priv *priv, u32 duplex)
>  			priv->pause, tx_cnt);
>  }
>  
> +static unsigned long stmmac_mac_get_caps(struct phylink_config *config,
> +					 phy_interface_t interface)
> +{
> +	struct stmmac_priv *priv = netdev_priv(to_net_dev(config->dev));
> +
> +	/* Get the MAC-specific capabilities */
> +	stmmac_mac_phylink_get_caps(priv);
> +
> +	config->mac_capabilities = priv->hw->link.caps;
> +
> +	if (priv->plat->max_speed)
> +		phylink_limit_mac_speed(config, priv->plat->max_speed);
> +
> +	return config->mac_capabilities;

Yes, I think your approach is better - and it still allows for the
platform's capabilities to be masked in towards the end of this
function.

Thanks.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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