Modify the return value of the uhci/ehci/xhci PCI probe routines to

'BUS_PROBE_DEFAULT'. This allows bhyve's 'ppt' driver to claim ownership
of the device and pass it through to the guest.

In the common case where there are no competing drivers for USB controllers
this change is a no-op.

Reviewed by:	hselasky
MFC after:	2 weeks

3 files changed, 3 insertions, 3 deletions

diff --git a/sys/dev/usb/controller/ehci_pci.c b/sys/dev/usb/controller/ehci_pci.c
index b71fb41..9b862a5 100644
--- a/sys/dev/usb/controller/ehci_pci.c
+++ b/sys/dev/usb/controller/ehci_pci.c
@@ -220,7 +220,7 @@ ehci_pci_probe(device_t self)
 
 	if (desc) {
 		device_set_desc(self, desc);
-		return (0);
+		return (BUS_PROBE_DEFAULT);
 	} else {
 		return (ENXIO);
 	}
diff --git a/sys/dev/usb/controller/uhci_pci.c b/sys/dev/usb/controller/uhci_pci.c
index 4ac0d54..89fc983 100644
--- a/sys/dev/usb/controller/uhci_pci.c
+++ b/sys/dev/usb/controller/uhci_pci.c
@@ -244,7 +244,7 @@ uhci_pci_probe(device_t self)
 
 	if (desc) {
 		device_set_desc(self, desc);
-		return (0);
+		return (BUS_PROBE_DEFAULT);
 	} else {
 		return (ENXIO);
 	}
diff --git a/sys/dev/usb/controller/xhci_pci.c b/sys/dev/usb/controller/xhci_pci.c
index c2367f4..0e2c632 100644
--- a/sys/dev/usb/controller/xhci_pci.c
+++ b/sys/dev/usb/controller/xhci_pci.c
@@ -131,7 +131,7 @@ xhci_pci_probe(device_t self)
 
 	if (desc) {
 		device_set_desc(self, desc);
-		return (0);
+		return (BUS_PROBE_DEFAULT);
 	} else {
 		return (ENXIO);
 	}