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]> --- 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
