From f22af597db4d24b2c7e2c8f5f8e5fc0dd91b67f1 Mon Sep 17 00:00:00 2001
From: liquidraver <504870+liquidraver@users.noreply.github.com>
Date: Sun, 5 Apr 2026 16:35:04 +0200
Subject: [PATCH] disable power domain in mcuboot (fix for heltec build)

---
 zephcore/sysbuild/mcuboot.conf | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/zephcore/sysbuild/mcuboot.conf b/zephcore/sysbuild/mcuboot.conf
index 692620f..b1ed31d 100644
--- a/zephcore/sysbuild/mcuboot.conf
+++ b/zephcore/sysbuild/mcuboot.conf
@@ -23,5 +23,10 @@ CONFIG_LOG_DEFAULT_LEVEL=3
 # Disable to avoid spi_context build errors with minimal threading config.
 CONFIG_SPI=n
 
+# MCUboot doesn't need power domain management — some boards (e.g. Heltec V3)
+# have power-domain-gpio DTS nodes whose driver calls k_can_yield() which is
+# unavailable in MCUboot's minimal kernel.
+CONFIG_POWER_DOMAIN=n
+
 # ESP32 HAL's mcuboot_config.h is patched (patches/modules/hal/espressif/...)
 # to respect Zephyr Kconfig: mbedTLS detection, AUTO sector count, slot0 validation.