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From: Maxime Chevallier <maxime.chevallier@bootlin.com>
To: Jisheng Zhang <jszhang@kernel.org>,
	Andrew Lunn <andrew+netdev@lunn.ch>,
	"David S . Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: Russell King <rmk+kernel@armlinux.org.uk>,
	netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] net: stmmac: remove ptpaddr/mmcaddr/estaddr "safe" initialization
Date: Mon, 3 Aug 2026 22:27:31 +0200	[thread overview]
Message-ID: <a12aaa08-d6d8-4710-a053-6eb06c7c62cb@bootlin.com> (raw)
In-Reply-To: <20260803135745.12600-1-jszhang@kernel.org>

Hi,

Don't forget to put the tree name in the subject please :

https://docs.kernel.org/process/maintainer-netdev.html

That one's for net-next, thanks for the cleanup

On 8/3/26 15:57, Jisheng Zhang wrote:
> These so called "safe" initializations aren't needed any more from
> sometime, but the unnecessaries are obvious after recent clean up
> by Russell. The code will correctly initialize them after getting
> the correct stmmac_hwif_entry by calling stmmac_hwif_find().
> 
> Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
> ---
>  drivers/net/ethernet/stmicro/stmmac/hwif.c | 12 ------------
>  1 file changed, 12 deletions(-)
> 
> diff --git a/drivers/net/ethernet/stmicro/stmmac/hwif.c b/drivers/net/ethernet/stmicro/stmmac/hwif.c
> index 511b0fd5e834..265671170bf6 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/hwif.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/hwif.c
> @@ -328,18 +328,6 @@ int stmmac_hwif_init(struct stmmac_priv *priv)
>  	/* Save ID for later use */
>  	priv->synopsys_id = version.snpsver;
>  
> -	/* Lets assume some safe values first */
> -	if (core_type == DWMAC_CORE_GMAC4) {
> -		priv->ptpaddr = priv->ioaddr + PTP_GMAC4_OFFSET;
> -		priv->mmcaddr = priv->ioaddr + MMC_GMAC4_OFFSET;
> -		priv->estaddr = priv->ioaddr + EST_GMAC4_OFFSET;
> -	} else {
> -		priv->ptpaddr = priv->ioaddr + PTP_GMAC3_X_OFFSET;
> -		priv->mmcaddr = priv->ioaddr + MMC_GMAC3_X_OFFSET;
> -		if (core_type == DWMAC_CORE_XGMAC)
> -			priv->estaddr = priv->ioaddr + EST_XGMAC_OFFSET;
> -	}
> -
>  	mac = devm_kzalloc(priv->device, sizeof(*mac), GFP_KERNEL);
>  	if (!mac)
>  		return -ENOMEM;

Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>

Maxime

  reply	other threads:[~2026-08-03 20:27 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-03 13:57 [PATCH] net: stmmac: remove ptpaddr/mmcaddr/estaddr "safe" initialization Jisheng Zhang
2026-08-03 20:27 ` Maxime Chevallier [this message]
2026-08-04 21:50 ` patchwork-bot+netdevbpf

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