linux-kernel - Re: [PATCH net-next v4 1/4] net: phy: mscc: Simplify LED mode update using phy

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Message-ID: <aRTGFzSfcKiBtg-_@shell.armlinux.org.uk>
Date: Wed, 12 Nov 2025 17:38:31 +0000
From: "Russell King (Oracle)" <linux@...linux.org.uk>
To: Prabhakar <prabhakar.csengg@...il.com>
Cc: Andrew Lunn <andrew@...n.ch>, Heiner Kallweit <hkallweit1@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Horatiu Vultur <horatiu.vultur@...rochip.com>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Vladimir Oltean <vladimir.oltean@....com>,
	Vadim Fedorenko <vadim.fedorenko@...ux.dev>,
	Parthiban.Veerasooran@...rochip.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
	Biju Das <biju.das.jz@...renesas.com>,
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH net-next v4 1/4] net: phy: mscc: Simplify LED mode update
 using phy_modify()

On Wed, Nov 12, 2025 at 01:57:12PM +0000, Prabhakar wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> 
> The vsc85xx_led_cntl_set() function currently performs a manual
> read-modify-write sequence protected by the PHY lock to update the
> LED mode register (MSCC_PHY_LED_MODE_SEL).
> 
> Replace this sequence with a call to phy_modify(), which already
> handles read-modify-write operations with proper locking inside
> the PHY core.
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> Reviewed-by: Andrew Lunn <andrew@...n.ch>

Reviewed-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>

Thanks!

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