From: Rob Herring <robh@kernel.org>
To: Marek Vasut <marex@denx.de>
Cc: Pavel Machek <pavel@ucw.cz>,
linux-leds@vger.kernel.org,
Jacek Anaszewski <jacek.anaszewski@gmail.com>,
devicetree@vger.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: leds: Document none trigger
Date: Mon, 8 Nov 2021 11:51:20 -0600 [thread overview]
Message-ID: <YYljmDDXH5zvBgjC@robh.at.kernel.org> (raw)
In-Reply-To: <e3ea7f1d-662c-32ef-4d3d-62972af699b6@denx.de>
On Sun, Oct 24, 2021 at 08:05:55PM +0200, Marek Vasut wrote:
> On 10/24/21 10:41 AM, Pavel Machek wrote:
> > Hi!
> >
> > > There is a trigger called "none" which triggers never, add it to the
> > > list of valid trigger values.
> >
> > We can do this, but is it useful? If you avoid putting trigger
> > property, it will do the same thing.
>
> It's not that simple. If you have a DT which specifies a trigger type and a
> DTO which overrides that trigger type, then the DTO cannot remove the
> trigger from the base DT, it has to set trigger type to "none". So I believe
> there is a valid use case for existence of the "none" type.
Sounds like an incorrect partitioning of base and overlays IMO.
There's also already /delete-property/ directive though I'm not sure if
that's supported in overlays.
Rob
next prev parent reply other threads:[~2021-11-08 17:51 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-24 0:23 [PATCH 1/2] dt-bindings: leds: Document none trigger Marek Vasut
2021-10-24 0:23 ` [PATCH 2/2] dt-bindings: leds: Document mmc trigger Marek Vasut
2021-10-24 8:40 ` Pavel Machek
2021-10-24 18:03 ` Marek Vasut
2021-10-24 14:27 ` Rob Herring
2021-10-24 8:41 ` [PATCH 1/2] dt-bindings: leds: Document none trigger Pavel Machek
2021-10-24 18:05 ` Marek Vasut
2021-11-08 17:51 ` Rob Herring [this message]
2021-11-08 22:49 ` Marek Vasut
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