fix a typo in a comment

[mirror_edk2.git] / EdkModulePkg / Bus / Usb / UsbBus / Dxe / usbio.c

diff --git a/EdkModulePkg/Bus/Usb/UsbBus/Dxe/usbio.c b/EdkModulePkg/Bus/Usb/UsbBus/Dxe/usbio.c
index eb563b8e8b175471f1127b5df6655870b8d3d1b5..4601767f642e026c9576180d5e84ff0f21e5f052 100644 (file)
--- a/EdkModulePkg/Bus/Usb/UsbBus/Dxe/usbio.c
+++ b/EdkModulePkg/Bus/Usb/UsbBus/Dxe/usbio.c
@@ -99,13 +99,6 @@ UsbAsyncIsochronousTransfer (
   IN        VOID                                *Context OPTIONAL\r
   );\r
 \r
-extern\r
-EFI_STATUS\r
-EFIAPI\r
-UsbPortReset (\r
-  IN EFI_USB_IO_PROTOCOL     *This\r
-  );\r
-\r
 STATIC\r
 EFI_STATUS\r
 EFIAPI\r
@@ -181,6 +174,19 @@ VOID
 InitializeUsbIoInstance (\r
   IN USB_IO_CONTROLLER_DEVICE     *UsbIoController\r
   )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+  Initialize the instance of UsbIo controller\r
+\r
+Arguments:\r
+\r
+  UsbIoController - A pointer to controller structure of UsbIo\r
+\r
+Returns:\r
+\r
+--*/\r
 {\r
   //\r
   // Copy EFI_USB_IO protocol instance\r
@@ -349,11 +355,10 @@ UsbBulkTransfer (
   UINT8                       DataToggle;\r
   UINT8                       OldToggle;\r
   EFI_STATUS                  RetStatus;\r
-\r
   USB_IO_CONTROLLER_DEVICE    *UsbIoController;\r
   ENDPOINT_DESC_LIST_ENTRY    *EndPointListEntry;\r
-  UINT32                      TransferResult;\r
   UINT8                       DataBuffersNumber;\r
+  UINT32                      TransferResult;\r
   \r
   DataBuffersNumber = 1;\r
   UsbIoController   = USB_IO_CONTROLLER_DEVICE_FROM_USB_IO_THIS (This);\r