Subject: [PATCH 2/2] s390/pci: handle function enumeration after sriov enablement

From: Sebastian Ott <[email-masked]>
Date: Thu, 13 Sep 2018 14:41:24 +0200

Implement add_vfs|del_vfs callbacks as empty functions. VF
creation will be triggered by the hotplug code.

Signed-off-by: Sebastian Ott <[email-masked]>
---
 arch/s390/pci/pci.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index 9381d5d98156..2ba2cbfaa091 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -785,6 +785,15 @@ static void zpci_remove_bus(struct pci_bus *bus)
 	kfree(zdev);
 }
 
+static int zpci_add_vfs(struct pci_dev *pdev, u16 num_vfs)
+{
+	return 0;
+}
+
+static void zpci_del_vfs(struct pci_dev *pdev)
+{
+}
+
 static struct pci_bus *pci_scan_root_bus(struct device *parent, int bus,
 		struct pci_ops *ops, void *sysdata, struct list_head *resources)
 {
@@ -801,6 +810,8 @@ static struct pci_bus *pci_scan_root_bus(struct device *parent, int bus,
 	bridge->busnr = bus;
 	bridge->ops = ops;
 	bridge->remove_bus = zpci_remove_bus;
+	bridge->add_vfs = zpci_add_vfs;
+	bridge->del_vfs = zpci_del_vfs;
 
 	error = pci_scan_root_bus_bridge(bridge);
 	if (error < 0)
-- 
2.13.4