diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index ea391ff..0ef9a67 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -1860,4 +1860,12 @@
 	return 0;
 }
 
+#ifndef writeq
+static inline void writeq(u64 val, void __iomem *addr)
+{
+        writel(((u32) (val >> 32)), addr);
+        writel(((u32) (val)), (addr + 4));
+}
 #endif
+
+#endif /* _IPR_H */