1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/ide.h b/include/linux/ide.h
index f94cf036bd95..c1a8b8bb93ab 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -931,6 +931,8 @@ enum {
         IDE_TFLAG_IN_TF                 = IDE_TFLAG_IN_NSECT |
                                           IDE_TFLAG_IN_LBA,
         IDE_TFLAG_IN_DEVICE             = (1 << 29),
+        /* force 16-bit I/O operations */
+        IDE_TFLAG_IO_16BIT              = (1 << 30),
 };
 
 struct ide_taskfile {