[PATCH 1/4] PCI: hv: Do not do vmbus initialization on baremetal

[Nuno Das Neves]

From: Mukesh Rathor <mrathor at linux.microsoft.com>

init_hv_pci_drv() is not relevant for root partition on baremetal as there
is no vmbus. On nested (with a Windows L1 root), vmbus is present.

Signed-off-by: Mukesh Rathor <mrathor at linux.microsoft.com>
Signed-off-by: Nuno Das Neves <nunodasneves at linux.microsoft.com>
---
 drivers/pci/controller/pci-hyperv.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c
index b4f29ee75848..4d25754dfe2f 100644
--- a/drivers/pci/controller/pci-hyperv.c
+++ b/drivers/pci/controller/pci-hyperv.c
@@ -4150,6 +4150,9 @@ static int __init init_hv_pci_drv(void)
 	if (!hv_is_hyperv_initialized())
 		return -ENODEV;
 
+	if (hv_root_partition() && !hv_nested)
+		return -ENODEV;
+
 	ret = hv_pci_irqchip_init();
 	if (ret)
 		return ret;
-- 
2.34.1