Misc improvements

app/sysbuild/mcuboot/app.overlay

@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2026 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
 / {
 	chosen {
 		zephyr,code-partition = &boot_partition;

app/sysbuild/mcuboot/boards/thingy91_nrf9160.conf

@@ -1,3 +1,9 @@
+#
+# Copyright (c) 2026 Nordic Semiconductor
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
 # Disable Zephyr console
 CONFIG_CONSOLE=n
 CONFIG_CONSOLE_HANDLER=n

app/sysbuild/mcuboot/boards/thingy91x_nrf9151.conf

@@ -1,3 +1,9 @@
+#
+# Copyright (c) 2026 Nordic Semiconductor
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
 # MCUBoot settings
 CONFIG_BOOT_MAX_IMG_SECTORS=512
 

app/sysbuild/mcuboot/prj.conf

@@ -1,3 +1,9 @@
+#
+# Copyright (c) 2026 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+#
+
 CONFIG_PM=n
 
 CONFIG_MAIN_STACK_SIZE=10240

drivers/dtr_uart/dtr_uart.c

@@ -215,15 +215,15 @@ static void ri_work_fn(struct k_work *work)
 		CONTAINER_OF(delayed_work, struct dtr_uart_data, ri_work);
 	const struct dtr_uart_config *config = data->dev->config;
 
-	LOG_DBG("RI: Stop");
+	LOG_INF("RI: Stop");
 	gpio_pin_set_dt(&config->ri_gpio, 0);
 }
 
 static void ri_start(struct dtr_uart_data *data)
 {
 	const struct dtr_uart_config *config = data->dev->config;
 
-	LOG_DBG("RI: Start");
+	LOG_INF("RI: Start");
 	gpio_pin_set_dt(&config->ri_gpio, 1);
 	k_work_schedule(&data->ri_work, K_MSEC(100));
 }
@@ -248,11 +248,11 @@ static void dtr_work_handler(struct k_work *work)
 	bool asserted = gpio_pin_get_dt(&config->dtr_gpio) && !data->pm_suspended;
 
 	if (data->dtr_state == asserted) {
-		LOG_INF("DTR is already %s, ignoring event", asserted ? "asserted" : "deasserted");
+		LOG_DBG("DTR is already %s, ignoring event", asserted ? "asserted" : "deasserted");
 		goto exit;
 	}
 
-	LOG_DBG("DTR %s", asserted ? "asserted" : "deasserted");
+	LOG_INF("DTR %s", asserted ? "asserted" : "deasserted");
 	data->dtr_state = asserted;
 
 	if (asserted) {

samples/sm_ppp_shell/boards/native_sim.overlay

@@ -1,3 +1,9 @@
+/*
+ * Copyright (c) 2026 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
+ */
+
 / {
 	/*
 	 * Enable UART2 as the serial interface to the nRF91 Serial Modem application.