tty: s390 support for termios2.

Backend for s390.

Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 1 deletions

diff --git a/include/asm-s390/termbits.h b/include/asm-s390/termbits.h
index 811b9a9cdc08..58731853d529 100644
--- a/include/asm-s390/termbits.h
+++ b/include/asm-s390/termbits.h
@@ -148,6 +148,7 @@ struct ktermios {
 #define HUPCL   0002000
 #define CLOCAL  0004000
 #define CBAUDEX 0010000
+#define  BOTHER  0010000
 #define  B57600  0010001
 #define  B115200 0010002
 #define  B230400 0010003
@@ -163,10 +164,12 @@ struct ktermios {
 #define  B3000000 0010015
 #define  B3500000 0010016
 #define  B4000000 0010017
-#define CIBAUD    002003600000  /* input baud rate (not used) */
+#define CIBAUD    002003600000  /* input baud rate */
 #define CMSPAR    010000000000          /* mark or space (stick) parity */
 #define CRTSCTS   020000000000          /* flow control */
 
+#define IBSHIFT   16            /* Shift from CBAUD to CIBAUD */
+
 /* c_lflag bits */
 #define ISIG    0000001
 #define ICANON  0000002