ide: add drive->pio_mode field

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

The validity of the field is restricted to ->set_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, 2 insertions, 0 deletions

diff --git a/drivers/ide/ide-devsets.c b/drivers/ide/ide-devsets.c
index 1099bf7cf968..cb3341ce655c 100644
--- a/drivers/ide/ide-devsets.c
+++ b/drivers/ide/ide-devsets.c
@@ -105,6 +105,8 @@ static int set_pio_mode(ide_drive_t *drive, int arg)
                 return -ENOSYS;
 
         if (set_pio_mode_abuse(drive->hwif, arg)) {
+                drive->pio_mode = arg + XFER_PIO_0;
+
                 if (arg == 8 || arg == 9) {
                         unsigned long flags;