From: Lars-Peter Clausen <lars@metafoo.de>
To: "Paul Cercueil" <paul@crapouillou.net>,
"Jonathan Cameron" <jic23@kernel.org>,
"Rob Herring" <robh+dt@kernel.org>,
"Guido Günther" <agx@sigxcpu.org>
Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] dt-bindings: iio: Document "label" property
Date: Tue, 21 Dec 2021 12:29:04 +0100 [thread overview]
Message-ID: <7718b4c6-59f8-c728-87ae-3c85e992e300@metafoo.de> (raw)
In-Reply-To: <20211221104354.35073-1-paul@crapouillou.net>
On 12/21/21 11:43 AM, Paul Cercueil wrote:
> All iio devices can have a label, which will be carried on to userspace
> as a sysfs attribute. This is useful when having several iio devices
> that represent different instances of the same hardware, as the name
> attribute would then not be enough to differentiate between them.
>
> Signed-off-by: Paul Cercueil <paul@crapouillou.net>
> ---
> Documentation/devicetree/bindings/iio/common.yaml | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/iio/common.yaml b/Documentation/devicetree/bindings/iio/common.yaml
> index f845b41d74c4..a90ad7718ecf 100644
> --- a/Documentation/devicetree/bindings/iio/common.yaml
> +++ b/Documentation/devicetree/bindings/iio/common.yaml
> @@ -32,6 +32,14 @@ properties:
> considered 'near' to the device (an object is near to the
> sensor).
>
> + label:
> + $ref: /schemas/types.yaml#/definitions/string
> + description: |
> + All iio devices can have a label, which will be carried on to userspace
> + as a sysfs attribute. This is useful when having several iio devices that
> + represent different instances of the same hardware, as the name attribute
> + would then not be enough to differentiate between them.
> +
The description has a lot of implementation details of the Linux kernel.
The devicetree bindings should be formulated operating system agnostic.
Something like:
A descriptive label that allows to uniquely identify the device within
the system.
next prev parent reply other threads:[~2021-12-21 11:29 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-21 10:43 [PATCH] dt-bindings: iio: Document "label" property Paul Cercueil
2021-12-21 11:29 ` Lars-Peter Clausen [this message]
2021-12-21 12:38 ` Paul Cercueil
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