From 59b4cfd07ca158e4fc6c778f49e38fc7f863e658 Mon Sep 17 00:00:00 2001
From: Mat931 <49403702+Mat931@users.noreply.github.com>
Date: Wed, 29 Apr 2026 18:41:12 +0000
Subject: [PATCH] [watchdog] Use default CHECK_IDLE_TASK and PANIC when
 configuring the watchdog (#16142)

---
 esphome/components/watchdog/watchdog.cpp | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/esphome/components/watchdog/watchdog.cpp b/esphome/components/watchdog/watchdog.cpp
index 545d83a679..edf113b0b4 100644
--- a/esphome/components/watchdog/watchdog.cpp
+++ b/esphome/components/watchdog/watchdog.cpp
@@ -39,9 +39,18 @@ void WatchdogManager::set_timeout_(uint32_t timeout_ms) {
 #ifdef USE_ESP32
   esp_task_wdt_config_t wdt_config = {
       .timeout_ms = timeout_ms,
-      .idle_core_mask = (1U << CONFIG_FREERTOS_NUMBER_OF_CORES) - 1U,
-      .trigger_panic = true,
+      .idle_core_mask = 0,
+      .trigger_panic = false,
   };
+#if CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU0
+  wdt_config.idle_core_mask |= (1U << 0U);
+#endif
+#if CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU1
+  wdt_config.idle_core_mask |= (1U << 1U);
+#endif
+#if CONFIG_ESP_TASK_WDT_PANIC
+  wdt_config.trigger_panic = true;
+#endif
   esp_task_wdt_reconfigure(&wdt_config);
 #endif  // USE_ESP32