linux-kernel - Re: [PATCH v1 1/2] driver core: Introduce device_find_first

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Date:   Wed, 8 Jun 2022 13:32:44 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Mark Brown <broonie@...nel.org>, linux-kernel@...r.kernel.org,
        linux-spi@...r.kernel.org, "Rafael J. Wysocki" <rafael@...nel.org>
Subject: Re: [PATCH v1 1/2] driver core: Introduce device_find_first_child()
 helper

On Tue, Jun 07, 2022 at 11:20:57PM +0300, Andy Shevchenko wrote:
> There are several places in the kernel where this kind of functionality is
> being used. Provide a generic helper for such cases.

This feels really wrong/broken.

There should not be any specific ordering of children in the tree.  What
subsystem relies on this such that they require this?

thanks,

greg k-h