linux-kernel - Re: [RFC PATCH 0/4] drivers/base: Generic framework for tracking internal interfaces

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Message-ID: <20140501091102.GF26756@n2100.arm.linux.org.uk>
Date:	Thu, 1 May 2014 10:11:02 +0100
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Andrzej Hajda <andrzej.hajda@...pl>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Andrzej Hajda <a.hajda@...sung.com>,
	open list <linux-kernel@...r.kernel.org>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Arnd Bergmann <arnd@...db.de>,
	Thierry Reding <thierry.reding@...il.com>,
	David Airlie <airlied@...ux.ie>,
	Inki Dae <inki.dae@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Tomasz Figa <t.figa@...sung.com>,
	Tomasz Stansislawski <t.stanislaws@...sung.com>,
	"moderated list:ARM/S5P EXYNOS AR..." 
	<linux-samsung-soc@...r.kernel.org>,
	"moderated list:ARM/S5P EXYNOS AR..." 
	<linux-arm-kernel@...ts.infradead.org>,
	dri-devel@...ts.freedesktop.org, linux-media@...r.kernel.org,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>
Subject: Re: [RFC PATCH 0/4] drivers/base: Generic framework for tracking
	internal interfaces

On Thu, May 01, 2014 at 09:04:19AM +0200, Andrzej Hajda wrote:
> 2. You replace calls of component_add and component_del with calls
> to interface_tracker_ifup(dev, INTERFACE_TRACKER_TYPE_COMPONENT,  
> &specific_component_ops),
> or interface_tracker_ifdown.
> Thats all for components.

How does the master get to decide which components are for it?  As
I see it, all masters see all components of a particular "type".
What if you have a system with two masters each of which are bound
to a set of unique components but some of the components are of a
the same type?

How does the master know what "type" to use?

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