linux-kernel - Re: [RFD] Functional dependencies between devices

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Message-ID: <20151117224758.GE31303@sirena.org.uk>
Date:	Tue, 17 Nov 2015 22:47:58 +0000
From:	Mark Brown <broonie@...nel.org>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	Andrzej Hajda <a.hajda@...sung.com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Linux PM list <linux-pm@...r.kernel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Grant Likely <grant.likely@...aro.org>,
	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: [RFD] Functional dependencies between devices

On Tue, Nov 17, 2015 at 03:31:29PM -0500, Alan Stern wrote:

> Also, there's a real problem that needs to be solved concerning how 
> resources are identified in the absence of DT (or ACPI or something 
> similar).

So long as we can add new dependencies at probe time we should always be
able to figure things out when the driver figures out it needs the
resources.  Realistically we'll always have some information - if we
don't have firmware we'll have a board file.

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