tx493xide: use ->pio_mode value to determine pair device speed

Use the current PIO mode value instead of the physical maximum one
of the pair device on the port to determine PIO commmand timings used
for both devices on the port.

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

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/ide/tx4938ide.c b/drivers/ide/tx4938ide.c
index 326d4683488b..1d80f1fdbc97 100644
--- a/drivers/ide/tx4938ide.c
+++ b/drivers/ide/tx4938ide.c
@@ -64,7 +64,7 @@ static void tx4938ide_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 
         pair = ide_get_pair_dev(drive);
         if (pair)
-                safe = min(safe, ide_get_best_pio_mode(pair, 255, 5));
+                safe = min(safe, pair->pio_mode - XFER_PIO_0);
         tx4938ide_tune_ebusc(pdata->ebus_ch, pdata->gbus_clock, safe);
 }