diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index 610e914..85bc6a6 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -1587,7 +1587,7 @@
 {
 	u8		__iomem *mem;
 	int		 ii;
-	unsigned long	 mem_phys;
+	resource_size_t	 mem_phys;
 	unsigned long	 port;
 	u32		 msize;
 	u32		 psize;
@@ -1677,8 +1677,8 @@
 		return -EINVAL;
 	}
 	ioc->memmap = mem;
-	dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "mem = %p, mem_phys = %lx\n",
-	    ioc->name, mem, mem_phys));
+	dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "mem = %p, mem_phys = %llx\n",
+	    ioc->name, mem, (unsigned long long)mem_phys));
 
 	ioc->mem_phys = mem_phys;
 	ioc->chip = (SYSIF_REGS __iomem *)mem;