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Subject: Re: [PATCH] arm64/pci: fix dma coherency inheritance for PCI devices
From: Mark Salter <msalter@redhat.com>
To: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <Will.Deacon@arm.com>,
        "linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
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        "jcm@redhat.com" <jcm@redhat.com>
Date: Mon, 22 Sep 2014 10:30:06 -0400
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	 <20140922102352.GH30085@e104818-lin.cambridge.arm.com>
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On Mon, 2014-09-22 at 11:23 +0100, Catalin Marinas wrote:
> >  static int __init swiotlb_late_init(void)
> > @@ -341,6 +357,7 @@ static int __init swiotlb_late_init(void)
> >        */
> >       bus_register_notifier(&platform_bus_type, &platform_bus_nb);
> >       bus_register_notifier(&amba_bustype, &amba_bus_nb);
> > +     bus_register_notifier(&pci_bus_type, &pci_bus_nb);
> 
> Does this compile when CONFIG_PCI is disabled?

No. Doh!