RE:cciss patches for 2.4.21-rc1, 4 of 4

20030424

Changes:
	1. Sets the DMA mask to 64 bits. Removes RH's code for the DMA mask.

diff -urN lx2421rc1-p3/drivers/block/cciss.c lx2421rc1/drivers/block/cciss.c
--- lx2421rc1-p3/drivers/block/cciss.c	Wed Apr 23 14:40:48 2003
+++ lx2421rc1/drivers/block/cciss.c	Wed Apr 23 14:51:55 2003
@@ -106,7 +106,7 @@
 #define NR_CMDS		 128 /* #commands that can be outstanding */
 #define MAX_CTLR 8
 
-#define CCISS_DMA_MASK	0xFFFFFFFF	/* 32 bit DMA */
+#define CCISS_DMA_MASK 0xFFFFFFFFFFFFFFFF /* 64 bit DMA */
 
 static ctlr_info_t *hba[MAX_CTLR];
 
@@ -2861,17 +2861,6 @@
 	hba[i]->ctlr = i;
 	hba[i]->pdev = pdev;
 
-	/* configure PCI DMA stuff */
-	if (!pci_set_dma_mask(pdev, (u64) 0xffffffffffffffff))
-		printk("cciss: using DAC cycles\n");
-	else if (!pci_set_dma_mask(pdev, (u64) 0xffffffff))
-		printk("cciss: not using DAC cycles\n");
-	else {
-		printk("cciss: no suitable DMA available\n");
-		free_hba(i);
-		return -ENODEV;
-	}
-		
 	if (register_blkdev(MAJOR_NR+i, hba[i]->devname, &cciss_fops)) {
 		printk(KERN_ERR "cciss:  Unable to get major number "
 			"%d for %s\n", MAJOR_NR+i, hba[i]->devname);