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Date:   Thu, 3 Sep 2020 09:32:21 -0700
From:   Florian Fainelli <>
To:     Kurt Kanzenbach <>, Andrew Lunn <>,
        Vivien Didelot <>
Cc:     "David S. Miller" <>,
        Jakub Kicinski <>,,
        Rob Herring <>,,
        Sebastian Andrzej Siewior <>,
        Richard Cochran <>,
        Kamil Alkhouri <>,, Vladimir Oltean <>
Subject: Re: [PATCH v4 5/7] net: dsa: hellcreek: Add PTP status LEDs

On 9/1/2020 5:50 AM, Kurt Kanzenbach wrote:
> The switch has two controllable I/Os which are usually connected to LEDs. This
> is useful to immediately visually see the PTP status.
> These provide two signals:
>   * is_gm
>     This LED can be activated if the current device is the grand master in that
>     PTP domain.
>   * sync_good
>     This LED can be activated if the current device is in sync with the network
>     time.
> Expose these via the LED framework to be controlled via user space
> e.g. linuxptp.
> Signed-off-by: Kurt Kanzenbach <>
> Reviewed-by: Andrew Lunn <>

There appears to be quite some boilerplate code to deal with the default 
trigger, default LED label that could presumably live in the LED 
subsystem, nonetheless:

Reviewed-by: Florian Fainelli <>

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