From 610512b4c340c5d7fffcf3d24f67b31eef58c71c Mon Sep 17 00:00:00 2001
From: Gunar Schorcht <gunar@schorcht.net>
Date: Fri, 24 Mar 2023 15:42:44 +0100
Subject: [PATCH] cpu/esp32: use ets_printf instead of puts in startup

---
 cpu/esp32/startup.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cpu/esp32/startup.c b/cpu/esp32/startup.c
index 50f21d1eb8..22cf2ed6f4 100644
--- a/cpu/esp32/startup.c
+++ b/cpu/esp32/startup.c
@@ -322,7 +322,7 @@ static NORETURN void IRAM system_init (void)
     LOG_STARTUP("Starting RIOT kernel on PRO cpu\n");
     esp_rom_uart_tx_wait_idle(CONFIG_ESP_CONSOLE_UART_NUM);
 #else
-    puts("");
+    ets_printf("\n");
 #endif
     kernel_init();
     UNREACHABLE();