1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/ata/pata_serverworks.c b/drivers/ata/pata_serverworks.c
index 2c0bc3bb1692..0231aba51ca4 100644
--- a/drivers/ata/pata_serverworks.c
+++ b/drivers/ata/pata_serverworks.c
@@ -495,14 +495,14 @@ static int serverworks_init_one(struct pci_dev *pdev, const struct pci_device_id
                         .flags = ATA_FLAG_SLAVE_POSS,
                         .pio_mask = 0x1f,
                         .mwdma_mask = 0x07,
-                        .udma_mask = 0x1f,
+                        .udma_mask = ATA_UDMA4,
                         .port_ops = &serverworks_csb_port_ops
                 }, { /* CSB5 - later revisions*/
                         .sht = &serverworks_sht,
                         .flags = ATA_FLAG_SLAVE_POSS,
                         .pio_mask = 0x1f,
                         .mwdma_mask = 0x07,
-                        .udma_mask = 0x3f,
+                        .udma_mask = ATA_UDMA5,
                         .port_ops = &serverworks_csb_port_ops
                 }
         };