1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/ide/pci/cs5520.c b/drivers/ide/pci/cs5520.c
index ee10e48d7cef..bccedf9b8b28 100644
--- a/drivers/ide/pci/cs5520.c
+++ b/drivers/ide/pci/cs5520.c
@@ -197,6 +197,7 @@ static void __devinit init_hwif_cs5520(ide_hwif_t *hwif)
                 .autodma        = AUTODMA,                      \
                 .bootable       = ON_BOARD,                     \
                 .host_flags     = IDE_HFLAG_ISA_PORTS,          \
+                .pio_mask       = ATA_PIO4,                     \
         }
 
 static ide_pci_device_t cyrix_chipsets[] __devinitdata = {