Re: [Qemu-devel] [PATCH] Make sysbus EHCI devices ARM only by default

[David Gibson <david@gibson.dropbear.id.au>]

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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.

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

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