1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/ide/pci/sis5513.c b/drivers/ide/pci/sis5513.c
index 2ba0669f36a1..6fe4ecb6c06c 100644
--- a/drivers/ide/pci/sis5513.c
+++ b/drivers/ide/pci/sis5513.c
@@ -858,6 +858,8 @@ static unsigned int __devinit ata66_sis5513 (ide_hwif_t *hwif)
 
 static void __devinit init_hwif_sis5513 (ide_hwif_t *hwif)
 {
+        u8 udma_rates[] = { 0x00, 0x00, 0x07, 0x1f, 0x3f, 0x3f, 0x7f, 0x7f };
+
         hwif->autodma = 0;
 
         if (!hwif->irq)
@@ -873,7 +875,8 @@ static void __devinit init_hwif_sis5513 (ide_hwif_t *hwif)
         }
 
         hwif->atapi_dma = 1;
-        hwif->ultra_mask = 0x7f;
+
+        hwif->ultra_mask = udma_rates[chipset_family];
         hwif->mwdma_mask = 0x07;
         hwif->swdma_mask = 0x07;