1 files changed, 4 insertions, 2 deletions

diff --git a/include/linux/serial.h b/include/linux/serial.h
index c8613c3ff9d3..ef914061511e 100644
--- a/include/linux/serial.h
+++ b/include/linux/serial.h
@@ -151,7 +151,7 @@ struct serial_uart_config {
 #define ASYNC_BUGGY_UART        (1U << ASYNCB_BUGGY_UART)
 #define ASYNC_AUTOPROBE         (1U << ASYNCB_AUTOPROBE)
 
-#define ASYNC_FLAGS             ((1U << ASYNCB_LAST_USER) - 1)
+#define ASYNC_FLAGS             ((1U << (ASYNCB_LAST_USER + 1)) - 1)
 #define ASYNC_USR_MASK          (ASYNC_SPD_HI|ASYNC_SPD_VHI| \
                 ASYNC_CALLOUT_NOHUP|ASYNC_SPD_SHI|ASYNC_LOW_LATENCY)
 #define ASYNC_SPD_CUST          (ASYNC_SPD_HI|ASYNC_SPD_VHI)
@@ -210,8 +210,10 @@ struct serial_rs485 {
 #define SER_RS485_ENABLED               (1 << 0)
 #define SER_RS485_RTS_ON_SEND           (1 << 1)
 #define SER_RS485_RTS_AFTER_SEND        (1 << 2)
+#define SER_RS485_RTS_BEFORE_SEND       (1 << 3)
         __u32   delay_rts_before_send;  /* Milliseconds */
-        __u32   padding[6];             /* Memory is cheap, new structs
+        __u32   delay_rts_after_send;   /* Milliseconds */
+        __u32   padding[5];             /* Memory is cheap, new structs
                                            are a royal PITA .. */
 };