mcux: driver: rtwdog: fix register operation issue

Fix the issue that driver doesn't wait the over status after CS register operation. Signed-off-by: Ruijia Wang <[email protected]>
zephyrproject-rtos · Dec 9, 2024 · f0d49c6 · f0d49c6
1 parent acec3bb
commit f0d49c6
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/mcux/mcux-sdk/drivers/rtwdog/fsl_rtwdog.c b/mcux/mcux-sdk/drivers/rtwdog/fsl_rtwdog.c
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2016, Freescale Semiconductor, Inc.
- * Copyright 2016-2019 NXP
+ * Copyright 2016-2019, 2024 NXP
  * All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
@@ -144,5 +144,8 @@ void RTWDOG_Deinit(RTWDOG_Type *base)
     primaskValue = DisableGlobalIRQ();
     RTWDOG_Unlock(base);
     RTWDOG_Disable(base);
+    while ((base->CS & RTWDOG_CS_RCS_MASK) == 0U)
+    {
+    }
     EnableGlobalIRQ(primaskValue);
 }