linux-kernel - Re: [PATCH v3 2/2] leds: trigger: netdev: add additional specific link duplex mode

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Date:   Wed, 14 Jun 2023 02:35:40 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Christian Marangi <ansuelsmth@...il.com>
Cc:     Pavel Machek <pavel@....cz>, Lee Jones <lee@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Yang Li <yang.lee@...ux.alibaba.com>,
        linux-leds@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/2] leds: trigger: netdev: add additional specific
 link duplex mode

On Sun, Jun 11, 2023 at 04:47:59PM +0200, Christian Marangi wrote:
> Add additional modes for specific link duplex. Use ethtool APIs to get the
> current link duplex and enable the LED accordingly. Under netdev event
> handler the rtnl lock is already held and is not needed to be set to
> access ethtool APIs.
> 
> This is especially useful for PHY and Switch that supports LEDs hw
> control for specific link duplex.
> 
> Add additional modes:
> - half_duplex: Turn on LED when link is half duplex
> - full_duplex: Turn on LED when link is full duplex
> 
> Signed-off-by: Christian Marangi <ansuelsmth@...il.com>

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

    Andrew