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-rw-r--r--include/uapi/linux/serial.h13
1 files changed, 7 insertions, 6 deletions
diff --git a/include/uapi/linux/serial.h b/include/uapi/linux/serial.h
index 9086367db043..de9b4733607e 100644
--- a/include/uapi/linux/serial.h
+++ b/include/uapi/linux/serial.h
@@ -145,12 +145,13 @@ struct serial_rs485 {
#define SER_RS485_ENABLED _BITUL(0)
#define SER_RS485_RTS_ON_SEND _BITUL(1)
#define SER_RS485_RTS_AFTER_SEND _BITUL(2)
-#define SER_RS485_RX_DURING_TX _BITUL(3)
-#define SER_RS485_TERMINATE_BUS _BITUL(4)
-#define SER_RS485_ADDRB _BITUL(5)
-#define SER_RS485_ADDR_RECV _BITUL(6)
-#define SER_RS485_ADDR_DEST _BITUL(7)
-#define SER_RS485_MODE_RS422 _BITUL(8)
+/* Placeholder for bit 3: SER_RS485_RTS_BEFORE_SEND, which isn't used anymore */
+#define SER_RS485_RX_DURING_TX _BITUL(4)
+#define SER_RS485_TERMINATE_BUS _BITUL(5)
+#define SER_RS485_ADDRB _BITUL(6)
+#define SER_RS485_ADDR_RECV _BITUL(7)
+#define SER_RS485_ADDR_DEST _BITUL(8)
+#define SER_RS485_MODE_RS422 _BITUL(9)
__u32 delay_rts_before_send;
__u32 delay_rts_after_send;