From 1dd45a01202cf58b3cc62bcf673681de248c388d Mon Sep 17 00:00:00 2001
From: thu5cob <Thiagarajan.Subashchandar@in.bosch.com>
Date: Thu, 5 Oct 2023 21:31:46 +0530
Subject: [PATCH] HAL_ChibiOS: Fix stm32l4+ flash issue

stm32l4+ flash reset register has been reset properly
---
 libraries/AP_HAL_ChibiOS/hwdef/common/flash.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libraries/AP_HAL_ChibiOS/hwdef/common/flash.c b/libraries/AP_HAL_ChibiOS/hwdef/common/flash.c
index 11c49cf8483eef..1e7fae3d282e99 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/common/flash.c
+++ b/libraries/AP_HAL_ChibiOS/hwdef/common/flash.c
@@ -235,6 +235,8 @@ static void stm32_flash_clear_errors(void)
 #if STM32_FLASH_NBANKS > 1
     FLASH->CCR2 = ~0;
 #endif
+#elif defined (STM32L4PLUS)
+    FLASH->SR = 0x0000C3FBU;
 #else
     FLASH->SR = 0xF3;
 #endif