Re: [Xen-devel] [PATCH 1/5] xen: arm: propagate gic's #address-cells property to dom0.

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Tue, 2014-11-04 at 12:11 -0500, Konrad Rzeszutek Wilk wrote:
> On Tue, Nov 04, 2014 at 10:23:55AM +0000, Ian Campbell wrote:
> > On Wed, 2014-10-29 at 19:03 +0000, Julien Grall wrote:
> > > Hi Ian,
> > > 
> > > On 24/10/2014 10:58, Ian Campbell wrote:
> > > > The interrupt-map property requires that the interrupt-parent node
> > > > must have both #address-cells and #interrupt-cells properties (see
> > > > ePAPR 2.4.3.1). Therefore propagate the property if it is present.
> > > >
> > > > We must propagate (rather than invent our own value) since this value
> > > > is used to size fields within other properties within the tree.
> > > >
> > > > ePAPR strictly speaking requires that the interrupt-parent node
> > > > always has these properties. However reality has diverged from this
> > > > and implementations will recursively search parents for #*-cells
> > > > properties. Hence we only copy if it is present.
> > > >
> > > > Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
> > > 
> > > Reviewed-by: Julien Grall <julien.grall@xxxxxxxxxx>
> > > 
> > > Without this patch I can't boot Xen on the Foundation model with GIC-v3. 
> > > Is it possible to push this patch for Xen 4.5 rc1?
> > 
> > Konrad, I think this is needed for 4.5 since without it dom0 can fail to
> > parse certain other constructs within the DT (in bits which we don't
> > generate and can't easily/don't want to rewrite as we pass them
> > through).
> 
> Release-Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>

Applied, thanks.

Ian.


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