1 files changed, 7 insertions, 7 deletions

diff --git a/drivers/watchdog/sa1100_wdt.c b/drivers/watchdog/sa1100_wdt.c
index 54984deb8561..ccd6b29e21bf 100644
--- a/drivers/watchdog/sa1100_wdt.c
+++ b/drivers/watchdog/sa1100_wdt.c
@@ -54,10 +54,10 @@ static int sa1100dog_open(struct inode *inode, struct file *file)
                 return -EBUSY;
 
         /* Activate SA1100 Watchdog timer */
-        OSMR3 = OSCR + pre_margin;
-        OSSR = OSSR_M3;
-        OWER = OWER_WME;
-        OIER |= OIER_E3;
+        writel_relaxed(readl_relaxed(OSCR) + pre_margin, OSMR3);
+        writel_relaxed(OSSR_M3, OSSR);
+        writel_relaxed(OWER_WME, OWER);
+        writel_relaxed(readl_relaxed(OIER) | OIER_E3, OIER);
         return nonseekable_open(inode, file);
 }
 
@@ -80,7 +80,7 @@ static ssize_t sa1100dog_write(struct file *file, const char __user *data,
 {
         if (len)
                 /* Refresh OSMR3 timer. */
-                OSMR3 = OSCR + pre_margin;
+                writel_relaxed(readl_relaxed(OSCR) + pre_margin, OSMR3);
         return len;
 }
 
@@ -114,7 +114,7 @@ static long sa1100dog_ioctl(struct file *file, unsigned int cmd,
                 break;
 
         case WDIOC_KEEPALIVE:
-                OSMR3 = OSCR + pre_margin;
+                writel_relaxed(readl_relaxed(OSCR) + pre_margin, OSMR3);
                 ret = 0;
                 break;
 
@@ -129,7 +129,7 @@ static long sa1100dog_ioctl(struct file *file, unsigned int cmd,
                 }
 
                 pre_margin = oscr_freq * time;
-                OSMR3 = OSCR + pre_margin;
+                writel_relaxed(readl_relaxed(OSCR) + pre_margin, OSMR3);
                 /*fall through*/
 
         case WDIOC_GETTIMEOUT: