linux-kernel - Re: [PATCH 08/10] iommu/omap: Use bus_set_iommu instead of register

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Message-ID: <CAK=WgbY8dW113CbzUoBVbvGwYQSQJZ-qi03A1O9zwKYEr4RyBA@mail.gmail.com>
Date:	Tue, 27 Sep 2011 14:10:06 +0300
From:	Ohad Ben-Cohen <ohad@...ery.com>
To:	"Roedel, Joerg" <Joerg.Roedel@....com>
Cc:	"iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Alex Williamson <alex.williamson@...hat.com>,
	David Woodhouse <dwmw2@...radead.org>,
	David Brown <davidb@...eaurora.org>,
	"joro@...tes.org" <joro@...tes.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 08/10] iommu/omap: Use bus_set_iommu instead of register_iommu

On Tue, Sep 27, 2011 at 2:00 PM, Roedel, Joerg <Joerg.Roedel@....com> wrote:
> The question is, of course, if the IOMMU on the platform device can
> identify single devices on the bus that originates from it?

We can probably query the ancestors of those devices until we find one
with IOMMU properties.
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