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Message-ID: <20231026095803.a54uni73ugwm33sg@skbuf>
Date: Thu, 26 Oct 2023 12:58:03 +0300
From: Vladimir Oltean <olteanv@...il.com>
To: Oleksij Rempel <o.rempel@...gutronix.de>
Cc: "David S. Miller" <davem@...emloft.net>, Andrew Lunn <andrew@...n.ch>,
	Eric Dumazet <edumazet@...gle.com>,
	Florian Fainelli <f.fainelli@...il.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Woojung Huh <woojung.huh@...rochip.com>,
	Arun Ramadoss <arun.ramadoss@...rochip.com>,
	Conor Dooley <conor+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	Florian Fainelli <florian.fainelli@...adcom.com>,
	kernel@...gutronix.de, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org, UNGLinuxDriver@...rochip.com,
	"Russell King (Oracle)" <linux@...linux.org.uk>,
	devicetree@...r.kernel.org
Subject: Re: [PATCH net-next v8 1/5] net: dsa: microchip: ksz9477: Add Wake
 on Magic Packet support

On Thu, Oct 26, 2023 at 07:10:47AM +0200, Oleksij Rempel wrote:
> Introduce Wake on Magic Packet (WoL) functionality to the ksz9477
> driver.
> 
> Major changes include:
> 
> 1. Extending the `ksz9477_handle_wake_reason` function to identify Magic
>    Packet wake events alongside existing wake reasons.
> 
> 2. Updating the `ksz9477_get_wol` and `ksz9477_set_wol` functions to
>    handle WAKE_MAGIC alongside the existing WAKE_PHY option, and to
>    program the switch's MAC address register accordingly when Magic
>    Packet wake-up is enabled. This change will prevent WAKE_MAGIC
>    activation if the related port has a different MAC address compared
>    to a MAC address already used by HSR or an already active WAKE_MAGIC
>    on another port.
> 
> 3. Adding a restriction in `ksz_port_set_mac_address` to prevent MAC
>    address changes on ports with active Wake on Magic Packet, as the
>    switch's MAC address register is utilized for this feature.
> 
> Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
> Reviewed-by: Florian Fainelli <florian.fainelli@...adcom.com>
> ---

Reviewed-by: Vladimir Oltean <vladimir.oltean@....com>

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