diff --git a/arch/riscv/include/asm/timex.h b/arch/riscv/include/asm/timex.h
index a06697846e69..d41acfb3959d 100644
--- a/arch/riscv/include/asm/timex.h
+++ b/arch/riscv/include/asm/timex.h
@@ -22,13 +22,13 @@ static inline cycles_t get_cycles(void)
 #else /* !CONFIG_64BIT */
 static inline u32 get_cycles(void)
 {
-	return readl_relaxed(((u32 *)clint_time_val));
+	return readl_relaxed(((u32 __iomem *)clint_time_val));
 }
 #define get_cycles get_cycles
 
 static inline u32 get_cycles_hi(void)
 {
-	return readl_relaxed(((u32 *)clint_time_val) + 1);
+	return readl_relaxed(((u32 __iomem *)clint_time_val) + 1);
 }
 #define get_cycles_hi get_cycles_hi
 #endif /* CONFIG_64BIT */