linux-kernel - Re: [RFC][PATCH 2/5] driver core: Functional dependencies tracking support

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Message-ID: <20160608124844.GH7510@sirena.org.uk>
Date:	Wed, 8 Jun 2016 13:48:44 +0100
From:	Mark Brown <broonie@...nel.org>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:	Linux PM list <linux-pm@...r.kernel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Alan Stern <stern@...land.harvard.edu>,
	Grant Likely <grant.likely@...aro.org>,
	Mark Brown <broonie@...nel.og>, Rob Herring <robh@...nel.org>,
	Tomeu Vizoso <tomeu.vizoso@...labora.com>,
	Thierry Reding <treding@...dia.com>,
	Dmitry Torokhov <dtor@...gle.com>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Michael Turquette <mturquette@...libre.com>
Subject: Re: [RFC][PATCH 2/5] driver core: Functional dependencies tracking
 support

On Thu, Jan 14, 2016 at 02:54:17AM +0100, Rafael J. Wysocki wrote:

> + * A side effect of the link creation is re-ordering of dpm_list and the
> + * devices_kset list by moving the consumer device and all devices depending
> + * on it to the ends of those lists.

How does this work in the scenario where a device instantiates a child
device then uses services that child provides to complete the
initializiation?  We do have that scenario currently for on chip
regulators to allow external regulators to be used.

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