ide: add drive->dma_mode field

Add dma_mode field to ide_drive_t matching dma_mode field used in
struct ata_device.

The validity of the field is restricted to ->dma_pio_mode method
only currently in IDE subsystem.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/ide.h b/include/linux/ide.h
index b5d2e9655059..746ef9fdabcb 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -516,6 +516,7 @@ struct ide_drive_s {
         u8      current_speed;  /* current transfer rate set */
         u8      desired_speed;  /* desired transfer rate set */
         u8      pio_mode;       /* for ->set_pio_mode _only_ */
+        u8      dma_mode;       /* for ->dma_pio_mode _only_ */
         u8      dn;             /* now wide spread use */
         u8      acoustic;       /* acoustic management */
         u8      media;          /* disk, cdrom, tape, floppy, ... */