From mboxrd@z Thu Jan  1 00:00:00 1970
From: "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>
Subject: Re: RFC: (re-)binding the VFIO platform driver to a platform device
Date: Wed, 2 Oct 2013 13:37:35 -0700
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Cc: Scott Wood <scottwood@freescale.com>,
	Yoder Stuart-B08248 <B08248@freescale.com>,
	Alex Williamson <alex.williamson@redhat.com>,
	Kim Phillips <kim.phillips@linaro.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"a.motakis@virtualopensystems.com" <a.motakis@virtualopensystems.com>,
	"agraf@suse.de" <agraf@suse.de>,
	Wood Scott-B07421 <B07421@freescale.com>,
	Sethi Varun-B16395 <B16395@freescale.com>,
	Bhushan Bharat-R65777 <R65777@freescale.com>,
	"peter.maydell@linaro.org" <peter.maydell@linaro.org>,
	"santosh.shukla@linaro.org" <santosh.shukla@linaro.org>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>
To: Christoffer Dall <christoffer.dall@linaro.org>
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On Wed, Oct 02, 2013 at 11:43:30AM -0700, Christoffer Dall wrote:
> > What's wrong with a non-vfio-specific flag that a driver can set, that
> > indicates that the driver is willing to try to bind to any device on the
> > bus if explicitly requested via the existing sysfs bind mechanism?
> > 
> It sounds more hackish to me to invent some 'generic' flag to solve a
> very specific case.  What you're suggesting would let users specify that
> a serial driver should handle a NIC hardware, no?  That sounds much much
> worse to me.

You can do that today, with any PCI driver (or USB driver as well), just
use the bind/unbind files in sysfs and you had better "know" what you
are doing...