[PX4: WIP] Fix transmission status handling in the serial interrupt

PX4 · Aug 3, 2018 · 5e82d9c · 5e82d9c
1 parent 228396c
commit 5e82d9c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/arch/arm/src/kinetis/kinetis_serial.c b/arch/arm/src/kinetis/kinetis_serial.c
@@ -950,7 +950,7 @@ static int up_interrupts(int irq, void *context, FAR void *arg)
        * the TX data register.
        */
 
-      if ((s1 & UART_S1_TDRE) != 0)
+      if ((s1 & UART_S1_TDRE) != 0 && (priv->ie & UART_C2_TIE) != 0)
 #endif
         {
           /* Process outgoing bytes */