tree 978fba56c7d2fbf2dbc3a4f495235198539c0bf2
parent c334a68e202eb4f2b912c6c9062c80877bead292
author Alexandru Elisei <alexandru.elisei@arm.com> 1644857910 +0000
committer Will Deacon <will@kernel.org> 1645027160 +0000

arm: pci: Generate "msi-parent" property only with a MSI controller

The "msi-parent" PCI root complex property describes the MSI parent of the
root complex. When the VM is created with a GICv2 or GICv3 irqchip
(--irqchip=gicv3 or --irqchip=gicv2), there is no MSI controller present on
the system and the corresponding phandle is not generated, leaving the
"msi-parent" property to point to a non-existing phandle. Skip creating the
"msi-parent" property when no MSI controller exists.

Reported-by: Pierre Gondois <pierre.gondois@arm.com>
Signed-off-by: Alexandru Elisei <alexandru.elisei@arm.com>
Link: https://lore.kernel.org/r/20220214165830.69207-4-alexandru.elisei@arm.com
Signed-off-by: Will Deacon <will@kernel.org>