linux-kernel - Re: [PATCH v3 2/2] docs: ABI: sysfs-class-led-trigger-netdev: add new modes and entry

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Date:   Thu, 7 Dec 2023 17:30:44 +0100
From:   Marek Behún <kabel@...nel.org>
To:     Daniel Golle <daniel@...rotopia.org>
Cc:     Pavel Machek <pavel@....cz>, Lee Jones <lee@...nel.org>,
        Andrew Lunn <andrew@...n.ch>, Jakub Kicinski <kuba@...nel.org>,
        Christian Marangi <ansuelsmth@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Li Zetao <lizetao1@...wei.com>, linux-kernel@...r.kernel.org,
        linux-leds@...r.kernel.org
Subject: Re: [PATCH v3 2/2] docs: ABI: sysfs-class-led-trigger-netdev: add
 new modes and entry

On Tue, 28 Nov 2023 04:00:39 +0000
Daniel Golle <daniel@...rotopia.org> wrote:

> Document newly introduced modes for the LED netdev trigger.
> 
> Add documentation for new modes:
> - link_2500
> - link_5000
> - link_10000
> 
> Signed-off-by: Daniel Golle <daniel@...rotopia.org>
> ---
> v3: include this documentation patch as well
> 
>  .../testing/sysfs-class-led-trigger-netdev    | 39 +++++++++++++++++++
>  1 file changed, 39 insertions(+)
> 
> diff --git a/Documentation/ABI/testing/sysfs-class-led-trigger-netdev b/Documentation/ABI/testing/sysfs-class-led-trigger-netdev
> index f6d9d72ce77b7..a6c307c4befa0 100644
> --- a/Documentation/ABI/testing/sysfs-class-led-trigger-netdev
> +++ b/Documentation/ABI/testing/sysfs-class-led-trigger-netdev
> @@ -114,6 +114,45 @@ Description:
>  		speed of 1000Mbps of the named network device.
>  		Setting this value also immediately changes the LED state.
>  
> +What:		/sys/class/leds/<led>/link_2500
> +Date:		Nov 2023
> +KernelVersion:	6.8
> +Contact:	linux-leds@...r.kernel.org
> +Description:
> +		Signal the link speed state of 2500Mbps of the named network device.

Should this file be present even if the network device does not support
that speed?

Marek