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path: root/drivers/usb/cdns3/cdns3-pci-wrap.c
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Diffstat (limited to 'drivers/usb/cdns3/cdns3-pci-wrap.c')
-rw-r--r--drivers/usb/cdns3/cdns3-pci-wrap.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/cdns3/cdns3-pci-wrap.c b/drivers/usb/cdns3/cdns3-pci-wrap.c
index b0a29efe7d31..14878e3f8fbf 100644
--- a/drivers/usb/cdns3/cdns3-pci-wrap.c
+++ b/drivers/usb/cdns3/cdns3-pci-wrap.c
@@ -60,6 +60,11 @@ static struct pci_dev *cdns3_get_second_fun(struct pci_dev *pdev)
return NULL;
}
+ if (func->devfn != PCI_DEV_FN_HOST_DEVICE &&
+ func->devfn != PCI_DEV_FN_OTG) {
+ return NULL;
+ }
+
return func;
}