netdev - Re: [PATCH net-next] net: stmmac: visconti: convert to set_clk_tx

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Message-ID: <48bc68b6-d415-46ba-8192-5cbc4b8d263a@lunn.ch>
Date: Tue, 15 Apr 2025 18:58:44 +0200
From: Andrew Lunn <andrew@...n.ch>
To: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
Cc: Heiner Kallweit <hkallweit1@...il.com>,
	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>,
	linux-arm-kernel@...ts.infradead.org,
	linux-stm32@...md-mailman.stormreply.com,
	Maxime Coquelin <mcoquelin.stm32@...il.com>, netdev@...r.kernel.org,
	Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp>,
	Paolo Abeni <pabeni@...hat.com>
Subject: Re: [PATCH net-next] net: stmmac: visconti: convert to
 set_clk_tx_rate() method

On Tue, Apr 15, 2025 at 05:52:48PM +0100, Russell King (Oracle) wrote:
> Convert visconti to use the set_clk_tx_rate() method. By doing so,
> the GMAC control register will already have been updated (unlike with
> the fix_mac_speed() method) so this code can be removed while porting
> to the set_clk_tx_rate() method.
> 
> There is also no need for the spinlock, and has never been - neither
> fix_mac_speed() nor set_clk_tx_rate() can be called by more than one
> thread at a time, so the lock does nothing useful.
> 
> Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew