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>

2 files changed, 67 insertions, 51 deletions

diff --git a/include/uapi/asm-generic/termbits-common.h b/include/uapi/asm-generic/termbits-common.h
new file mode 100644
index 000000000000..4d084fe8def5
--- /dev/null
+++ b/include/uapi/asm-generic/termbits-common.h
@@ -0,0 +1,65 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef __ASM_GENERIC_TERMBITS_COMMON_H
+#define __ASM_GENERIC_TERMBITS_COMMON_H
+
+typedef unsigned char	cc_t;
+typedef unsigned int	speed_t;
+
+/* c_iflag bits */
+#define IGNBRK	0x001			/* Ignore break condition */
+#define BRKINT	0x002			/* Signal interrupt on break */
+#define IGNPAR	0x004			/* Ignore characters with parity errors */
+#define PARMRK	0x008			/* Mark parity and framing errors */
+#define INPCK	0x010			/* Enable input parity check */
+#define ISTRIP	0x020			/* Strip 8th bit off characters */
+#define INLCR	0x040			/* Map NL to CR on input */
+#define IGNCR	0x080			/* Ignore CR */
+#define ICRNL	0x100			/* Map CR to NL on input */
+#define IXANY	0x800			/* Any character will restart after stop */
+
+/* c_oflag bits */
+#define OPOST	0x01			/* Perform output processing */
+#define OCRNL	0x08
+#define ONOCR	0x10
+#define ONLRET	0x20
+#define OFILL	0x40
+#define OFDEL	0x80
+
+/* c_cflag bit meaning */
+/* Common CBAUD rates */
+#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 CMSPAR		0x40000000	/* mark or space (stick) parity */
+#define CRTSCTS		0x80000000	/* flow control */
+
+#define IBSHIFT		16		/* Shift from CBAUD to CIBAUD */
+
+/* tcflow() ACTION argument 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() QUEUE_SELECTOR argument 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 */
+
+#endif /* __ASM_GENERIC_TERMBITS_COMMON_H */
diff --git a/include/uapi/asm-generic/termbits.h b/include/uapi/asm-generic/termbits.h
index 470fd673ff84..78a85c326eef 100644
--- a/include/uapi/asm-generic/termbits.h
+++ b/include/uapi/asm-generic/termbits.h
@@ -4,8 +4,8 @@
 
 #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;
 
 #define NCCS 19
@@ -60,31 +60,15 @@ struct ktermios {
 #define VEOL2 16
 
 /* c_iflag bits */
-#define IGNBRK	0x00001
-#define BRKINT	0x00002
-#define IGNPAR	0x00004
-#define PARMRK	0x00008
-#define INPCK	0x00010
-#define ISTRIP	0x00020
-#define INLCR	0x00040
-#define IGNCR	0x00080
-#define ICRNL	0x00100
 #define IUCLC	0x00200
 #define IXON	0x00400
-#define IXANY	0x00800
 #define IXOFF	0x01000
 #define IMAXBEL	0x02000
 #define IUTF8	0x04000
 
 /* c_oflag bits */
-#define OPOST	0x00001
 #define OLCUC	0x00002
 #define ONLCR	0x00004
-#define OCRNL	0x00008
-#define ONOCR	0x00010
-#define ONLRET	0x00020
-#define OFILL	0x00040
-#define OFDEL	0x00080
 #define NLDLY	0x00100
 #define   NL0	0x00000
 #define   NL1	0x00100
@@ -111,24 +95,6 @@ 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
 #define   CS5		0x00000000
 #define   CS6		0x00000010
@@ -158,10 +124,6 @@ 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
@@ -181,17 +143,6 @@ struct ktermios {
 #define IEXTEN	0x08000
 #define EXTPROC	0x10000
 
-/* tcflow() and TCXONC use these */
-#define	TCOOFF		0
-#define	TCOON		1
-#define	TCIOFF		2
-#define	TCION		3
-
-/* tcflush() and TCFLSH use these */
-#define	TCIFLUSH	0
-#define	TCOFLUSH	1
-#define	TCIOFLUSH	2
-
 /* tcsetattr uses these */
 #define	TCSANOW		0
 #define	TCSADRAIN	1