netdev - Re: [PATCH net-next v10 2/6] net: stmmac: Add multi-channel support

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Message-ID: <20240409185508.GM26556@kernel.org>
Date: Tue, 9 Apr 2024 19:55:08 +0100
From: Simon Horman <horms@...nel.org>
To: Yanteng Si <siyanteng@...ngson.cn>
Cc: andrew@...n.ch, hkallweit1@...il.com, peppe.cavallaro@...com,
	alexandre.torgue@...s.st.com, joabreu@...opsys.com,
	fancer.lancer@...il.com, Jose.Abreu@...opsys.com,
	chenhuacai@...nel.org, linux@...linux.org.uk,
	guyinggang@...ngson.cn, netdev@...r.kernel.org,
	chris.chenfeiyang@...il.com, siyanteng01@...il.com
Subject: Re: [PATCH net-next v10 2/6] net: stmmac: Add multi-channel support

On Tue, Apr 09, 2024 at 10:00:02PM +0800, Yanteng Si wrote:
> DW GMAC v3.x multi-channels feature is implemented as multiple
> sets of the same CSRs. Here is only preliminary support, it will
> be useful for the driver further evolution and for the users
> having multi-channel DWGMAC v3.x devices.
> 
> Signed-off-by: Feiyang Chen <chenfeiyang@...ngson.cn>
> Signed-off-by: Yinggang Gu <guyinggang@...ngson.cn>
> Signed-off-by: Yanteng Si <siyanteng@...ngson.cn>

...

> diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
> index e1537a57815f..e94faa72f30e 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
> @@ -420,6 +420,12 @@ stmmac_ethtool_set_link_ksettings(struct net_device *dev,
>  		return 0;
>  	}
>  
> +	if (priv->plat->flags & STMMAC_FLAG_DISABLE_FORCE_1000) {

Hi Yanteng Si, Yanteng Si, all,

STMMAC_FLAG_DISABLE_FORCE_1000 is used here but it is not defined
until PATCH 6/6. This breaks bisection.

I expect this can be resolved by defining STMMAC_FLAG_DISABLE_FORCE_1000
as part of this patch.

> +		if (cmd->base.speed == SPEED_1000 &&
> +		    cmd->base.autoneg != AUTONEG_ENABLE)
> +			return -EOPNOTSUPP;
> +	}
> +
>  	return phylink_ethtool_ksettings_set(priv->phylink, cmd);
>  }
>  

-- 
pw-bot: changes-requested