--- drivers/scsi/sym53c8xx.c.orig	2005-02-07 19:53:05.741527608 -0800
+++ drivers/scsi/sym53c8xx.c	2005-02-07 19:53:36.782808616 -0800
@@ -13182,7 +13182,7 @@
 	** descriptors.
 	*/
 	if (chip && (chip->features & FE_DAC)) {
-		if (pci_set_dma_mask(pdev, (u64) 0xffffffffff))
+		if (pci_set_dma_mask(pdev, (u64) 0xffffffffffULL))
 			chip->features &= ~FE_DAC_IN_USE;
 		else
 			chip->features |= FE_DAC_IN_USE;