From 02e310f2c9549349ae12615f3fec627d9189479a Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Wed, 18 Feb 2026 16:48:13 -0600
Subject: [PATCH] [core] Remove unnecessary IRAM_ATTR from yield(), delay(),
 feed_wdt(), and arch_feed_wdt() (#14063)

---
 esphome/components/esp32/core.cpp     | 6 +++---
 esphome/components/esp8266/core.cpp   | 6 +++---
 esphome/components/host/core.cpp      | 6 +++---
 esphome/components/libretiny/core.cpp | 6 +++---
 esphome/components/rp2040/core.cpp    | 6 +++---
 esphome/core/application.cpp          | 2 +-
 6 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/esphome/components/esp32/core.cpp b/esphome/components/esp32/core.cpp
index 09a45c14a67..202d929ab93 100644
--- a/esphome/components/esp32/core.cpp
+++ b/esphome/components/esp32/core.cpp
@@ -21,9 +21,9 @@ extern "C" __attribute__((weak)) void initArduino() {}
 
 namespace esphome {
 
-void IRAM_ATTR HOT yield() { vPortYield(); }
+void HOT yield() { vPortYield(); }
 uint32_t IRAM_ATTR HOT millis() { return (uint32_t) (esp_timer_get_time() / 1000ULL); }
-void IRAM_ATTR HOT delay(uint32_t ms) { vTaskDelay(ms / portTICK_PERIOD_MS); }
+void HOT delay(uint32_t ms) { vTaskDelay(ms / portTICK_PERIOD_MS); }
 uint32_t IRAM_ATTR HOT micros() { return (uint32_t) esp_timer_get_time(); }
 void IRAM_ATTR HOT delayMicroseconds(uint32_t us) { delay_microseconds_safe(us); }
 void arch_restart() {
@@ -44,7 +44,7 @@ void arch_init() {
   esp_ota_mark_app_valid_cancel_rollback();
 #endif
 }
-void IRAM_ATTR HOT arch_feed_wdt() { esp_task_wdt_reset(); }
+void HOT arch_feed_wdt() { esp_task_wdt_reset(); }
 
 uint8_t progmem_read_byte(const uint8_t *addr) { return *addr; }
 uint32_t arch_get_cpu_cycle_count() { return esp_cpu_get_cycle_count(); }
diff --git a/esphome/components/esp8266/core.cpp b/esphome/components/esp8266/core.cpp
index 784b87916b2..236d3022be3 100644
--- a/esphome/components/esp8266/core.cpp
+++ b/esphome/components/esp8266/core.cpp
@@ -14,9 +14,9 @@ extern "C" {
 
 namespace esphome {
 
-void IRAM_ATTR HOT yield() { ::yield(); }
+void HOT yield() { ::yield(); }
 uint32_t IRAM_ATTR HOT millis() { return ::millis(); }
-void IRAM_ATTR HOT delay(uint32_t ms) { ::delay(ms); }
+void HOT delay(uint32_t ms) { ::delay(ms); }
 uint32_t IRAM_ATTR HOT micros() { return ::micros(); }
 void IRAM_ATTR HOT delayMicroseconds(uint32_t us) { delay_microseconds_safe(us); }
 void arch_restart() {
@@ -27,7 +27,7 @@ void arch_restart() {
   }
 }
 void arch_init() {}
-void IRAM_ATTR HOT arch_feed_wdt() { system_soft_wdt_feed(); }
+void HOT arch_feed_wdt() { system_soft_wdt_feed(); }
 
 uint8_t progmem_read_byte(const uint8_t *addr) {
   return pgm_read_byte(addr);  // NOLINT
diff --git a/esphome/components/host/core.cpp b/esphome/components/host/core.cpp
index 164d622dd4a..c20a33fa378 100644
--- a/esphome/components/host/core.cpp
+++ b/esphome/components/host/core.cpp
@@ -11,7 +11,7 @@
 
 namespace esphome {
 
-void IRAM_ATTR HOT yield() { ::sched_yield(); }
+void HOT yield() { ::sched_yield(); }
 uint32_t IRAM_ATTR HOT millis() {
   struct timespec spec;
   clock_gettime(CLOCK_MONOTONIC, &spec);
@@ -19,7 +19,7 @@ uint32_t IRAM_ATTR HOT millis() {
   uint32_t ms = round(spec.tv_nsec / 1e6);
   return ((uint32_t) seconds) * 1000U + ms;
 }
-void IRAM_ATTR HOT delay(uint32_t ms) {
+void HOT delay(uint32_t ms) {
   struct timespec ts;
   ts.tv_sec = ms / 1000;
   ts.tv_nsec = (ms % 1000) * 1000000;
@@ -48,7 +48,7 @@ void arch_restart() { exit(0); }
 void arch_init() {
   // pass
 }
-void IRAM_ATTR HOT arch_feed_wdt() {
+void HOT arch_feed_wdt() {
   // pass
 }
 
diff --git a/esphome/components/libretiny/core.cpp b/esphome/components/libretiny/core.cpp
index b22740f02a9..4dda7c38563 100644
--- a/esphome/components/libretiny/core.cpp
+++ b/esphome/components/libretiny/core.cpp
@@ -11,10 +11,10 @@ void loop();
 
 namespace esphome {
 
-void IRAM_ATTR HOT yield() { ::yield(); }
+void HOT yield() { ::yield(); }
 uint32_t IRAM_ATTR HOT millis() { return ::millis(); }
 uint32_t IRAM_ATTR HOT micros() { return ::micros(); }
-void IRAM_ATTR HOT delay(uint32_t ms) { ::delay(ms); }
+void HOT delay(uint32_t ms) { ::delay(ms); }
 void IRAM_ATTR HOT delayMicroseconds(uint32_t us) { ::delayMicroseconds(us); }
 
 void arch_init() {
@@ -30,7 +30,7 @@ void arch_restart() {
   while (1) {
   }
 }
-void IRAM_ATTR HOT arch_feed_wdt() { lt_wdt_feed(); }
+void HOT arch_feed_wdt() { lt_wdt_feed(); }
 uint32_t arch_get_cpu_cycle_count() { return lt_cpu_get_cycle_count(); }
 uint32_t arch_get_cpu_freq_hz() { return lt_cpu_get_freq(); }
 uint8_t progmem_read_byte(const uint8_t *addr) { return *addr; }
diff --git a/esphome/components/rp2040/core.cpp b/esphome/components/rp2040/core.cpp
index d88e9f54b76..37378d88bb1 100644
--- a/esphome/components/rp2040/core.cpp
+++ b/esphome/components/rp2040/core.cpp
@@ -9,9 +9,9 @@
 
 namespace esphome {
 
-void IRAM_ATTR HOT yield() { ::yield(); }
+void HOT yield() { ::yield(); }
 uint32_t IRAM_ATTR HOT millis() { return ::millis(); }
-void IRAM_ATTR HOT delay(uint32_t ms) { ::delay(ms); }
+void HOT delay(uint32_t ms) { ::delay(ms); }
 uint32_t IRAM_ATTR HOT micros() { return ::micros(); }
 void IRAM_ATTR HOT delayMicroseconds(uint32_t us) { delay_microseconds_safe(us); }
 void arch_restart() {
@@ -27,7 +27,7 @@ void arch_init() {
 #endif
 }
 
-void IRAM_ATTR HOT arch_feed_wdt() { watchdog_update(); }
+void HOT arch_feed_wdt() { watchdog_update(); }
 
 uint8_t progmem_read_byte(const uint8_t *addr) {
   return pgm_read_byte(addr);  // NOLINT
diff --git a/esphome/core/application.cpp b/esphome/core/application.cpp
index 449acc64cf4..406885fd81f 100644
--- a/esphome/core/application.cpp
+++ b/esphome/core/application.cpp
@@ -240,7 +240,7 @@ void Application::process_dump_config_() {
   this->dump_config_at_++;
 }
 
-void IRAM_ATTR HOT Application::feed_wdt(uint32_t time) {
+void HOT Application::feed_wdt(uint32_t time) {
   static uint32_t last_feed = 0;
   // Use provided time if available, otherwise get current time
   uint32_t now = time ? time : millis();