esp32s3_serial.c: make up_putc take the critical section

cf. apache#14662
yamt · Nov 14, 2024 · e021c2c · e021c2c
1 parent fcf69bd
commit e021c2c
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/arch/xtensa/src/esp32s3/esp32s3_serial.c b/arch/xtensa/src/esp32s3/esp32s3_serial.c
@@ -1213,15 +1213,18 @@ void xtensa_serialinit(void)
 void up_putc(int ch)
 {
 #ifdef CONSOLE_UART
+  irqstate_t flags;
   uint32_t int_status;
 
+  flags = enter_critical_section();
   esp32s3_lowputc_disable_all_uart_int(CONSOLE_DEV.priv, &int_status);
 #endif
 
   xtensa_lowputc((char)ch);
 
 #ifdef CONSOLE_UART
   esp32s3_lowputc_restore_all_uart_int(CONSOLE_DEV.priv, &int_status);
+  leave_critical_section(flags);
 #endif
 }
 
@@ -1240,15 +1243,18 @@ void up_putc(int ch)
 void up_putc(int ch)
 {
 #ifdef CONSOLE_UART
+  irqstate_t flags;
   uint32_t int_status;
 
+  flags = enter_critical_section();
   esp32s3_lowputc_disable_all_uart_int(CONSOLE_DEV.priv, &int_status);
 #endif
 
   xtensa_lowputc(ch);
 
 #ifdef CONSOLE_UART
   esp32s3_lowputc_restore_all_uart_int(CONSOLE_DEV.priv, &int_status);
+  leave_critical_section(flags);
 #endif
 }