1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/ide/legacy/dtc2278.c b/drivers/ide/legacy/dtc2278.c
index 36a3f0ac6162..6c01d951d074 100644
--- a/drivers/ide/legacy/dtc2278.c
+++ b/drivers/ide/legacy/dtc2278.c
@@ -71,7 +71,7 @@ static void tune_dtc2278 (ide_drive_t *drive, u8 pio)
 {
         unsigned long flags;
 
-        pio = ide_get_best_pio_mode(drive, pio, 4, NULL);
+        pio = ide_get_best_pio_mode(drive, pio, 4);
 
         if (pio >= 3) {
                 spin_lock_irqsave(&ide_lock, flags);
@@ -123,6 +123,7 @@ static int __init dtc2278_probe(void)
 
         hwif->serialized = 1;
         hwif->chipset = ide_dtc2278;
+        hwif->pio_mask = ATA_PIO4;
         hwif->tuneproc = &tune_dtc2278;
         hwif->drives[0].no_unmask = 1;
         hwif->drives[1].no_unmask = 1;