diff -aurpN -X /home/mbligh/.diff.exclude linux-2.6.19/drivers/scsi/megaraid.c 2.6.19-megaraid/drivers/scsi/megaraid.c
--- linux-2.6.19/drivers/scsi/megaraid.c	2006-12-04 17:52:00.000000000 -0800
+++ 2.6.19-megaraid/drivers/scsi/megaraid.c	2006-12-04 18:24:03.000000000 -0800
@@ -73,10 +73,14 @@ static unsigned short int max_mbox_busy_
 module_param(max_mbox_busy_wait, ushort, 0);
 MODULE_PARM_DESC(max_mbox_busy_wait, "Maximum wait for mailbox in microseconds if busy (default=MBOX_BUSY_WAIT=10)");
 
-#define RDINDOOR(adapter)		readl((adapter)->base + 0x20)
-#define RDOUTDOOR(adapter)		readl((adapter)->base + 0x2C)
-#define WRINDOOR(adapter,value)		writel(value, (adapter)->base + 0x20)
-#define WROUTDOOR(adapter,value)	writel(value, (adapter)->base + 0x2C)
+#define RDINDOOR(adapter)		readl((volatile void __iomem *) \
+							(adapter)->base + 0x20)
+#define RDOUTDOOR(adapter)		readl((volatile void __iomem *) \
+							(adapter)->base + 0x2C)
+#define WRINDOOR(adapter,value)		writel(value, (volatile void __iomem *)\
+							(adapter)->base + 0x20)
+#define WROUTDOOR(adapter,value)	writel(value, (volatile void __iomem *)\
+							(adapter)->base + 0x2C)
 
 /*
  * Global variables
@@ -3566,7 +3570,7 @@ megadev_ioctl(struct inode *inode, struc
 			/*
 			 * The user passthru structure
 			 */
-			upthru = (mega_passthru __user *)MBOX(uioc)->xferaddr;
+			upthru = (mega_passthru __user *)(unsigned long)MBOX(uioc)->xferaddr;
 
 			/*
 			 * Copy in the user passthru here.
@@ -3618,7 +3622,7 @@ megadev_ioctl(struct inode *inode, struc
 				/*
 				 * Get the user data
 				 */
-				if( copy_from_user(data, (char __user *)uxferaddr,
+				if( copy_from_user(data, (char __user *)(unsigned long) uxferaddr,
 							pthru->dataxferlen) ) {
 					rval = (-EFAULT);
 					goto freemem_and_return;
@@ -3644,7 +3648,7 @@ megadev_ioctl(struct inode *inode, struc
 			 * Is data going up-stream
 			 */
 			if( pthru->dataxferlen && (uioc.flags & UIOC_RD) ) {
-				if( copy_to_user((char __user *)uxferaddr, data,
+				if( copy_to_user((char __user *)(unsigned long) uxferaddr, data,
 							pthru->dataxferlen) ) {
 					rval = (-EFAULT);
 				}
@@ -3697,7 +3701,7 @@ freemem_and_return:
 				/*
 				 * Get the user data
 				 */
-				if( copy_from_user(data, (char __user *)uxferaddr,
+				if( copy_from_user(data, (char __user *)(unsigned long) uxferaddr,
 							uioc.xferlen) ) {
 
 					pci_free_consistent(pdev,
@@ -3737,7 +3741,7 @@ freemem_and_return:
 			 * Is data going up-stream
 			 */
 			if( uioc.xferlen && (uioc.flags & UIOC_RD) ) {
-				if( copy_to_user((char __user *)uxferaddr, data,
+				if( copy_to_user((char __user *)(unsigned long) uxferaddr, data,
 							uioc.xferlen) ) {
 
 					rval = (-EFAULT);