--- a/drivers/tty/serial/8250/8250.h
+++ b/drivers/tty/serial/8250/8250.h
-@@ -93,6 +93,7 @@ struct serial8250_config {
+@@ -92,6 +92,7 @@ struct serial8250_config {
+ #define UART_BUG_NOMSR BIT(2) /* UART has buggy MSR status bits (Au1x00) */
#define UART_BUG_THRE BIT(3) /* UART has buggy THRE reassertion */
- #define UART_BUG_PARITY BIT(4) /* UART mishandles parity if FIFO enabled */
#define UART_BUG_TXRACE BIT(5) /* UART Tx fails to set remote DR */
+#define UART_BUG_NOMSI BIT(6) /* UART has no modem status interrupt */