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

SuGlider · web-flow · commit 5458df0a5435 · 2021-07-21T17:02:06.000+03:00
Fixes: espressif#5429
diff --git 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;
 

Original file line number	Diff line number	Diff line change
`@@ -164,7 +164,9 @@ static void uartEnableInterrupt(uart_t* uart, uint8_t rxfifo_full_thrhd)`
`164`	`164`	`static void uartDisableInterrupt(uart_t* uart)`
`165`	`165`	`{`
`166`	`166`	`UART_MUTEX_LOCK();`
	`167`	`+#if CONFIG_IDF_TARGET_ESP32`
`167`	`168`	`uart->dev->conf1.val = 0;`
	`169`	`+#endif`
`168`	`170`	`uart->dev->int_ena.val = 0;`
`169`	`171`	`uart->dev->int_clr.val = 0xffffffff;`
`170`	`172`