-#define HDIO_DRIVE_CMD_HDR_SIZE (4 * sizeof(u8))
-#define HDIO_DRIVE_HOB_HDR_SIZE (8 * sizeof(u8))
-#define HDIO_DRIVE_TASK_HDR_SIZE (8 * sizeof(u8))
+#define HDIO_DRIVE_CMD_HDR_SIZE (4 * sizeof(__u8))
+#define HDIO_DRIVE_HOB_HDR_SIZE (8 * sizeof(__u8))
+#define HDIO_DRIVE_TASK_HDR_SIZE (8 * sizeof(__u8))