1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/ide/pci/piix.c b/drivers/ide/pci/piix.c
index 41a3612c6107..4f69cd067e5e 100644
--- a/drivers/ide/pci/piix.c
+++ b/drivers/ide/pci/piix.c
@@ -498,6 +498,7 @@ static void __devinit init_hwif_piix(ide_hwif_t *hwif)
                 .autodma        = AUTODMA,              \
                 .enablebits     = {{0x41,0x80,0x80}, {0x43,0x80,0x80}}, \
                 .bootable       = ON_BOARD,             \
+                .pio_mask       = ATA_PIO4,             \
                 .udma_mask      = udma,                 \
         }
 
@@ -517,6 +518,7 @@ static ide_pci_device_t piix_pci_info[] __devinitdata = {
                 .enablebits     = {{0x6d,0xc0,0x80}, {0x6d,0xc0,0xc0}},
                 .bootable       = ON_BOARD,
                 .host_flags     = IDE_HFLAG_ISA_PORTS,
+                .pio_mask       = ATA_PIO4,
         },
 
         /*  3 */ DECLARE_PIIX_DEV("PIIX3", 0x00),       /* no udma */