termbits.h: create termbits-common.h for identical bits

Some defines are the same across all archs. Move the most obvious
intersection to termbits-common.h.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20220509093446.6677-2-ilpo.jarvinen@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

arch/mips/include/uapi/asm/termbits.h

@@ -13,8 +13,8 @@
 
 #include <linux/posix_types.h>
 
-typedef unsigned char cc_t;
-typedef unsigned int speed_t;
+#include <asm-generic/termbits-common.h>
+
 typedef unsigned int tcflag_t;
 
 /*
@@ -80,31 +80,15 @@ struct ktermios {
 #define VEOL		17		/* End-of-line character [ICANON].  */
 
 /* c_iflag bits */
-#define IGNBRK	0x00001		/* Ignore break condition.  */
-#define BRKINT	0x00002		/* Signal interrupt on break.  */
-#define IGNPAR	0x00004		/* Ignore characters with parity errors.  */
-#define PARMRK	0x00008		/* Mark parity and framing errors.  */
-#define INPCK	0x00010		/* Enable input parity check.  */
-#define ISTRIP	0x00020		/* Strip 8th bit off characters.  */
-#define INLCR	0x00040		/* Map NL to CR on input.  */
-#define IGNCR	0x00080		/* Ignore CR.  */
-#define ICRNL	0x00100		/* Map CR to NL on input.  */
 #define IUCLC	0x00200		/* Map upper case to lower case on input.  */
 #define IXON	0x00400		/* Enable start/stop output control.  */
-#define IXANY	0x00800		/* Any character will restart after stop.  */
 #define IXOFF	0x01000		/* Enable start/stop input control.  */
 #define IMAXBEL	0x02000		/* Ring bell when input queue is full.	*/
 #define IUTF8	0x04000		/* Input is UTF-8 */
 
 /* c_oflag bits */
-#define OPOST	0x00001		/* Perform output processing.  */
 #define OLCUC	0x00002		/* Map lower case to upper case on output.  */
 #define ONLCR	0x00004		/* Map NL to CR-NL on output.  */
-#define OCRNL	0x00008
-#define ONOCR	0x00010
-#define ONLRET	0x00020
-#define OFILL	0x00040
-#define OFDEL	0x00080
 #define NLDLY	0x00100
 #define	  NL0	0x00000
 #define	  NL1	0x00100
@@ -135,24 +119,6 @@ struct ktermios {
 
 /* c_cflag bit meaning */
 #define CBAUD		0x0000100f
-#define	 B0		0x00000000	/* hang up */
-#define	 B50		0x00000001
-#define	 B75		0x00000002
-#define	 B110		0x00000003
-#define	 B134		0x00000004
-#define	 B150		0x00000005
-#define	 B200		0x00000006
-#define	 B300		0x00000007
-#define	 B600		0x00000008
-#define	 B1200		0x00000009
-#define	 B1800		0x0000000a
-#define	 B2400		0x0000000b
-#define	 B4800		0x0000000c
-#define	 B9600		0x0000000d
-#define	 B19200		0x0000000e
-#define	 B38400		0x0000000f
-#define EXTA B19200
-#define EXTB B38400
 #define CSIZE		0x00000030	/* Number of bits per byte (mask) */
 #define	  CS5		0x00000000	/* 5 bits per byte */
 #define	  CS6		0x00000010	/* 6 bits per byte */
@@ -182,10 +148,6 @@ struct ktermios {
 #define	 B3500000	0x0000100e
 #define	 B4000000	0x0000100f
 #define CIBAUD		0x100f0000	/* input baud rate */
-#define CMSPAR		0x40000000	/* mark or space (stick) parity */
-#define CRTSCTS		0x80000000	/* flow control */
-
-#define IBSHIFT 16		/* Shift from CBAUD to CIBAUD */
 
 /* c_lflag bits */
 #define ISIG	0x00001		/* Enable signals.  */
@@ -209,17 +171,6 @@ struct ktermios {
 /* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
 #define TIOCSER_TEMT	0x01	/* Transmitter physically empty */
 
-/* tcflow() and TCXONC use these */
-#define TCOOFF		0	/* Suspend output.  */
-#define TCOON		1	/* Restart suspended output.  */
-#define TCIOFF		2	/* Send a STOP character.  */
-#define TCION		3	/* Send a START character.  */
-
-/* tcflush() and TCFLSH use these */
-#define TCIFLUSH	0	/* Discard data received but not yet read.  */
-#define TCOFLUSH	1	/* Discard data written but not yet sent.  */
-#define TCIOFLUSH	2	/* Discard all pending data.  */
-
 /* tcsetattr uses these */
 #define TCSANOW		TCSETS	/* Change immediately.	*/
 #define TCSADRAIN	TCSETSW /* Change when pending output is written.  */