Index: head/sys/dev/mpr/mpr.c
===================================================================
--- head/sys/dev/mpr/mpr.c
+++ head/sys/dev/mpr/mpr.c
@@ -2763,7 +2763,7 @@
 	prp_entry_phys = prp_page_phys;
 
 	/* Get physical address and length of the data buffer. */
-	paddr = (bus_addr_t)data;
+	paddr = (bus_addr_t)(uintptr_t)data;
 	if (data_in_sz)
 		length = data_in_sz;
 	else
@@ -2947,7 +2947,7 @@
 		else if ((buff_len > (PAGE_SIZE * 4)) &&
 		    (buff_len <= (PAGE_SIZE * 5)) )
 		{
-			msg_phys = (uint64_t *)segs[0].ds_addr;
+			msg_phys = (uint64_t *)(uintptr_t)segs[0].ds_addr;
 			first_page_offset =
 			    ((uint32_t)(uint64_t)(uintptr_t)msg_phys &
 			    page_mask);