1 files changed, 7 insertions, 7 deletions

diff --git a/arch/ia64/kernel/cyclone.c b/arch/ia64/kernel/cyclone.c
index 2fd96d9062a1..790ef0d87e12 100644
--- a/arch/ia64/kernel/cyclone.c
+++ b/arch/ia64/kernel/cyclone.c
@@ -38,11 +38,11 @@ static struct clocksource clocksource_cyclone = {
 
 int __init init_cyclone_clock(void)
 {
-        u64* reg;
+        u64 __iomem *reg;
         u64 base;       /* saved cyclone base address */
         u64 offset;     /* offset from pageaddr to cyclone_timer register */
         int i;
-        u32* volatile cyclone_timer;    /* Cyclone MPMC0 register */
+        u32 __iomem *cyclone_timer;     /* Cyclone MPMC0 register */
 
         if (!use_cyclone)
                 return 0;
@@ -51,7 +51,7 @@ int __init init_cyclone_clock(void)
 
         /* find base address */
         offset = (CYCLONE_CBAR_ADDR);
-        reg = (u64*)ioremap_nocache(offset, sizeof(u64));
+        reg = ioremap_nocache(offset, sizeof(u64));
         if(!reg){
                 printk(KERN_ERR "Summit chipset: Could not find valid CBAR"
                                 " register.\n");
@@ -69,7 +69,7 @@ int __init init_cyclone_clock(void)
 
         /* setup PMCC */
         offset = (base + CYCLONE_PMCC_OFFSET);
-        reg = (u64*)ioremap_nocache(offset, sizeof(u64));
+        reg = ioremap_nocache(offset, sizeof(u64));
         if(!reg){
                 printk(KERN_ERR "Summit chipset: Could not find valid PMCC"
                                 " register.\n");
@@ -81,7 +81,7 @@ int __init init_cyclone_clock(void)
 
         /* setup MPCS */
         offset = (base + CYCLONE_MPCS_OFFSET);
-        reg = (u64*)ioremap_nocache(offset, sizeof(u64));
+        reg = ioremap_nocache(offset, sizeof(u64));
         if(!reg){
                 printk(KERN_ERR "Summit chipset: Could not find valid MPCS"
                                 " register.\n");
@@ -93,7 +93,7 @@ int __init init_cyclone_clock(void)
 
         /* map in cyclone_timer */
         offset = (base + CYCLONE_MPMC_OFFSET);
-        cyclone_timer = (u32*)ioremap_nocache(offset, sizeof(u32));
+        cyclone_timer = ioremap_nocache(offset, sizeof(u32));
         if(!cyclone_timer){
                 printk(KERN_ERR "Summit chipset: Could not find valid MPMC"
                                 " register.\n");
@@ -110,7 +110,7 @@ int __init init_cyclone_clock(void)
                         printk(KERN_ERR "Summit chipset: Counter not counting!"
                                         " DISABLED\n");
                         iounmap(cyclone_timer);
-                        cyclone_timer = 0;
+                        cyclone_timer = NULL;
                         use_cyclone = 0;
                         return -ENODEV;
                 }