From 10504201a0c054de11ffa40905dcf33d6f739733 Mon Sep 17 00:00:00 2001
From: Kamil Kasperczyk <66371704+kkasperczyk-no@users.noreply.github.com>
Date: Mon, 6 Jun 2022 17:18:31 +0200
Subject: [PATCH] [nrfconnect] Fixed MPU fault during DFU over SMP (#19227)

Flash NOP device was disabled during the last
nRF Connect SDK version update, but it turn out to cause
MPU fault during DFU over SMP.

Restored enabling flash NOP device.
---
 config/nrfconnect/chip-module/Kconfig.features | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/config/nrfconnect/chip-module/Kconfig.features b/config/nrfconnect/chip-module/Kconfig.features
index cdcac79444c824..b63983a11e9e3f 100644
--- a/config/nrfconnect/chip-module/Kconfig.features
+++ b/config/nrfconnect/chip-module/Kconfig.features
@@ -93,6 +93,12 @@ config SYSTEM_WORKQUEUE_STACK_SIZE
 
 if SOC_SERIES_NRF53X
 
+# FLASH nop device is enabled to prevent bus faults when mcumgr tries to access
+# simulated partition with network core image data.
+config FLASH_NOP_DEVICE
+	bool
+	default y
+
 # Enable custom SMP request to erase settings partition.
 config MCUMGR_GRP_ZEPHYR_BASIC
 	bool