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Date: Mon, 2 Mar 2015 13:56:27 +0530
From: Amit Shah <amit.shah@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH] Make sysbus EHCI devices ARM only by
	default
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To: David Gibson <david@gibson.dropbear.id.au>
Cc: peter.maydell@linaro.org, kraxel@redhat.com, qemu-devel@nongnu.org

On (Mon) 02 Mar 2015 [18:28:12], David Gibson wrote:
> On Mon, Mar 02, 2015 at 12:45:16PM +0530, Amit Shah wrote:
> > On (Wed) 18 Feb 2015 [16:01:01], David Gibson wrote:
> > > A number of ARM embedded boards include EHCI USB host controllers which
> > > appear as directly mapped devices, rather than sitting on a PCI bus.
> > > 
> > > At present code to emulate such devices is included whenever EHCI support
> > > is included.  This patch adjusts teh config options to only include them
> > > in builds targetting ARM by default.
> > > 
> > > Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
> > 
> > After this commit, the 'pc' machine type lost a few devices, as
> > noticed by the vmstate checker nightly run.  Is this expected?
> > 
> >    Section "xlnx,ps7-usb" does not exist in dest
> >    Section "fusbh200-ehci-usb" does not exist in dest
> >    Section "tegra2-ehci-usb" does not exist in dest
> >    Section "sysbus-ehci-usb" does not exist in dest
> >    Section "exynos4210-ehci-usb" does not exist in dest
> 
> Yes, that's expected.  Those are all sysbus EHCI interfaces that AFAIK
> are only actually used on certain ARM platforms.

OK, thanks.


		Amit