siimage: 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>

diff --git a/drivers/ide/siimage.c b/drivers/ide/siimage.c
index 2009ac2ff658738dab17ddb114716c5d49d97fbb..ddeda444a27aebdcfda34a20bb04742d288656d2 100644 (file)
--- a/drivers/ide/siimage.c
+++ b/drivers/ide/siimage.c
@@ -258,7 +258,7 @@ static void sil_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 
        /* trim *taskfile* PIO to the slowest of the master/slave */
        if (pair) {
-               u8 pair_pio = ide_get_best_pio_mode(pair, 255, 4);
+               u8 pair_pio = pair->pio_mode - XFER_PIO_0;
 
                if (pair_pio < tf_pio)
                        tf_pio = pair_pio;