diff --git a/arch/arm/core/aarch32/cortex_m/timing.c b/arch/arm/core/aarch32/cortex_m/timing.c
index dc99cb055e7..9647025ecb1 100644
--- a/arch/arm/core/aarch32/cortex_m/timing.c
+++ b/arch/arm/core/aarch32/cortex_m/timing.c
@@ -22,7 +22,7 @@
  *
  * @return 0
  */
-static inline int z_arm_dwt_init(struct device *arg)
+static inline int z_arm_dwt_init(const struct device *arg)
 {
 	/* Enable tracing */
 	CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk;
diff --git a/drivers/console/ipm_console.c b/drivers/console/ipm_console.c
index 852daff6192..d36b99b4a7e 100644
--- a/drivers/console/ipm_console.c
+++ b/drivers/console/ipm_console.c
@@ -12,7 +12,7 @@
 #include <logging/log.h>
 LOG_MODULE_REGISTER(ipm_console, CONFIG_IPM_LOG_LEVEL);
 
-struct device *ipm_dev;
+const struct device *ipm_dev;
 
 static int console_out(int c)
 {
@@ -64,7 +64,7 @@ static void ipm_console_hook_install(void)
 	__printk_hook_install(console_out);
 }
 
-static int ipm_console_init(struct device *dev)
+static int ipm_console_init(const struct device *dev)
 {
 	ARG_UNUSED(dev);