netdev - Re: [PATCH net-next 2/7] net: stmmac: move tx_lpi

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Message-ID: <Z1wTqh-BnvPYLqU8@shell.armlinux.org.uk>
Date: Fri, 13 Dec 2024 10:59:54 +0000
From: "Russell King (Oracle)" <linux@...linux.org.uk>
To: Andrew Lunn <andrew@...n.ch>, Heiner Kallweit <hkallweit1@...il.com>
Cc: Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Jose Abreu <joabreu@...opsys.com>,
	linux-arm-kernel@...ts.infradead.org,
	linux-stm32@...md-mailman.stormreply.com,
	Maxime Coquelin <mcoquelin.stm32@...il.com>, netdev@...r.kernel.org,
	Paolo Abeni <pabeni@...hat.com>
Subject: Re: [PATCH net-next 2/7] net: stmmac: move tx_lpi_timer tracking to
 phylib

On Thu, Dec 12, 2024 at 02:46:33PM +0000, Russell King (Oracle) wrote:
> @@ -1092,6 +1092,7 @@ static void stmmac_mac_link_up(struct phylink_config *config,
>  			phy_init_eee(phy, !(priv->plat->flags &
>  				STMMAC_FLAG_RX_CLK_RUNS_IN_LPI)) >= 0;
>  		priv->eee_enabled = stmmac_eee_init(priv);
> +		priv->tx_lpi_timer = phy->eee_cfg.tx_lpi_timer;
>  		priv->tx_lpi_enabled = priv->eee_enabled;
>  		stmmac_set_eee_pls(priv, priv->hw, true);
>  	}

While looking deeper at stmmac, there's a bug in the above hunk -
stmmac_eee_init() makes use of priv->tx_lpi_timer, so this member
needs to be set before calling this function. I'll post a v2 shortly.

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