[RFC PATCH v3 03/17] PCI: Make pci_create_root_bus() declare its reliance on MSI domains

[Sunil V L]

Similar to [1], declare this dependency for PCI probe in ACPI based
flow.

This is required especially for RISC-V platforms where MSI controller
can be absent.

[1] - https://lore.kernel.org/all/20210330151145.997953-12-maz@xxxxxxxxxx/

Signed-off-by: Sunil V L <sunilvl@xxxxxxxxxxxxxxxx>
---
 drivers/pci/probe.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 795534589b98..9e941cf55d87 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -3054,6 +3054,7 @@ struct pci_bus *pci_create_root_bus(struct device *parent, int bus,
 	bridge->sysdata = sysdata;
 	bridge->busnr = bus;
 	bridge->ops = ops;
+	bridge->msi_domain = true;
 
 	error = pci_register_host_bridge(bridge);
 	if (error < 0)
-- 
2.39.2