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path: root/drivers/pci/controller/pci-hyperv.c
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Diffstat (limited to 'drivers/pci/controller/pci-hyperv.c')
-rw-r--r--drivers/pci/controller/pci-hyperv.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c
index 25b4c9023bfa..4e992403fffe 100644
--- a/drivers/pci/controller/pci-hyperv.c
+++ b/drivers/pci/controller/pci-hyperv.c
@@ -2507,7 +2507,10 @@ static void hv_pci_onchannelcallback(void *context)
/**
* hv_pci_protocol_negotiation() - Set up protocol
- * @hdev: VMBus's tracking struct for this root PCI bus
+ * @hdev: VMBus's tracking struct for this root PCI bus.
+ * @version: Array of supported channel protocol versions in
+ * the order of probing - highest go first.
+ * @num_version: Number of elements in the version array.
*
* This driver is intended to support running on Windows 10
* (server) and later versions. It will not run on earlier