Re: [RFC PATCH 2/2] kselftest: Add Devicetree unprobed devices test

[Mark Brown]

On Thu, Aug 10, 2023 at 04:23:51PM -0400, Nícolas F. R. A. Prado wrote:
> Introduce a new kselftest to detect devices that were declared in the
> Devicetree, and are expected to be probed by a driver, but weren't.
> 
> The test uses two lists: a list of compatibles that can match a
> Devicetree device to a driver, and a list of compatibles that should be
> ignored. The first is automatically generated from a script that parses
> the kernel source using Coccinelle, and will be run as part of building
> this test, therefore Coccinelle is a build-time dependency for this
> test. The list of compatibles to ignore is a hand-crafted list to
> capture the few exceptions of compatibles that are expected to match a
> driver but not be bound to it.

This doesn't appear to produce KTAP output which is going to make it
less useful for generic kselftest runners.

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