Hi Stewart, > On 2 Aug 2024, at 7:26 PM, Stewart Hildebrand <[email protected]> > wrote: > > Non-PCI platform devices may use the ITS. Dom0 Linux drivers for such > devices are failing to register IRQs due to a missing #msi-cells > property. Add the missing #msi-cells property. > > Signed-off-by: Stewart Hildebrand <[email protected]>
Reviewed-by: Rahul Singh <[email protected]> Regards, Rahul > --- > See Linux dc4dae00d82f ("Docs: dt: add #msi-cells to GICv3 ITS binding") > --- > xen/arch/arm/gic-v3-its.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/xen/arch/arm/gic-v3-its.c b/xen/arch/arm/gic-v3-its.c > index 8afcd9783bc8..55bed3fe87d0 100644 > --- a/xen/arch/arm/gic-v3-its.c > +++ b/xen/arch/arm/gic-v3-its.c > @@ -951,6 +951,10 @@ int gicv3_its_make_hwdom_dt_nodes(const struct domain *d, > if ( res ) > return res; > > + res = fdt_property_cell(fdt, "#msi-cells", 1); > + if ( res ) > + return res; > + > if ( its->phandle ) > { > res = fdt_property_cell(fdt, "phandle", its->phandle); > > base-commit: 984cb316cb27b53704c607e640a7dd2763b898ab > -- > 2.45.2 > >
