netdev - Re: [RFC PATCH v3 3/8] leds: trigger: netdev: drop NETDEV_LED_MODE

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Date:   Tue, 9 Nov 2021 21:53:15 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Marek Behún <kabel@...nel.org>
Cc:     Ansuel Smith <ansuelsmth@...il.com>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Jonathan Corbet <corbet@....net>, Pavel Machek <pavel@....cz>,
        John Crispin <john@...ozen.org>, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-leds@...r.kernel.org
Subject: Re: [RFC PATCH v3 3/8] leds: trigger: netdev: drop
 NETDEV_LED_MODE_LINKUP from mode

On Tue, Nov 09, 2021 at 04:02:57AM +0100, Marek Behún wrote:
> On Tue,  9 Nov 2021 03:26:03 +0100
> Ansuel Smith <ansuelsmth@...il.com> wrote:
> 
> > Drop NETDEV_LED_MODE_LINKUP from mode list and convert to a simple bool
> > that will be true or false based on the carrier link. No functional
> > change intended.
> 
> The last time I tried this, I did it for all the fields that are now in
> the bitmap, and I was told that the bitmap guarantees atomic access, so
> it should be used...
> 
> But why do you needs this? I guess I will see in another patch.

I agree with Marek here. The commit message says what you have done,
which is not very useful, i can read the patch. What it should include
is why you have made this change. The why is very important in the
commit message.

       Andrew