Fixes Serial.end() hanging on ESP32-S2 (#5434)

Fixes: #5429

Fixes Serial.end() hanging on ESP32-S2 (#5434)
Fixes: #5429
5458df0a · Rodrigo Garcia · GitHub · e12d8c8f · 5458df0a
Unverified Commit 5458df0a authored Jul 21, 2021 by Rodrigo Garcia Committed by GitHub Jul 21, 2021
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cores/esp32/esp32-hal-uart.c cores/esp32/esp32-hal-uart.c +2 -0

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--- a/cores/esp32/esp32-hal-uart.c
+++ b/cores/esp32/esp32-hal-uart.c
@@ -164,7 +164,9 @@ static void uartEnableInterrupt(uart_t* uart, uint8_t rxfifo_full_thrhd)
 static void uartDisableInterrupt(uart_t* uart)
 {
    UART_MUTEX_LOCK();
+#if CONFIG_IDF_TARGET_ESP32
    uart->dev->conf1.val = 0;
+#endif
    uart->dev->int_ena.val = 0;
    uart->dev->int_clr.val = 0xffffffff;