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Message-ID: <20070308164944.14137e6c@lxorguk.ukuu.org.uk>
Date: Thu, 8 Mar 2007 16:49:44 +0000
From: Alan Cox <alan@...rguk.ukuu.org.uk>
To: akpm@...l.org, linux-kernel@...r.kernel.org
Subject: [PATCH] tty: Revised diff for the i386/x86_64 arbitary speed
support
Adding some more test cases found a bug in the definition of IBSHIFT. At
the moment we have no hardware support for split baud rates but this
showed up once I did testing of that...
Replaces the previous diff.
Signed-off-by: Alan Cox <alan@...hat.com>
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.21-rc2-mm2/include/asm-i386/ioctls.h linux-2.6.21-rc2-mm2/include/asm-i386/ioctls.h
--- linux.vanilla-2.6.21-rc2-mm2/include/asm-i386/ioctls.h 2007-03-06 23:06:31.000000000 +0000
+++ linux-2.6.21-rc2-mm2/include/asm-i386/ioctls.h 2007-03-08 16:39:26.000000000 +0000
@@ -47,6 +47,10 @@
#define TIOCSBRK 0x5427 /* BSD compatibility */
#define TIOCCBRK 0x5428 /* BSD compatibility */
#define TIOCGSID 0x5429 /* Return the session ID of FD */
+#define TCGETS2 _IOR('T',0x2A, struct termios2)
+#define TCSETS2 _IOW('T',0x2B, struct termios2)
+#define TCSETSW2 _IOW('T',0x2C, struct termios2)
+#define TCSETSF2 _IOW('T',0x2D, struct termios2)
#define TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
#define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.21-rc2-mm2/include/asm-i386/termbits.h linux-2.6.21-rc2-mm2/include/asm-i386/termbits.h
--- linux.vanilla-2.6.21-rc2-mm2/include/asm-i386/termbits.h 2007-03-06 23:06:31.000000000 +0000
+++ linux-2.6.21-rc2-mm2/include/asm-i386/termbits.h 2007-03-08 16:38:55.000000000 +0000
@@ -17,6 +17,17 @@
cc_t c_cc[NCCS]; /* control characters */
};
+struct termios2 {
+ tcflag_t c_iflag; /* input mode flags */
+ tcflag_t c_oflag; /* output mode flags */
+ tcflag_t c_cflag; /* control mode flags */
+ tcflag_t c_lflag; /* local mode flags */
+ cc_t c_line; /* line discipline */
+ cc_t c_cc[NCCS]; /* control characters */
+ speed_t c_ispeed; /* input speed */
+ speed_t c_ospeed; /* output speed */
+};
+
struct ktermios {
tcflag_t c_iflag; /* input mode flags */
tcflag_t c_oflag; /* output mode flags */
@@ -129,6 +140,7 @@
#define HUPCL 0002000
#define CLOCAL 0004000
#define CBAUDEX 0010000
+#define BOTHER 0010000
#define B57600 0010001
#define B115200 0010002
#define B230400 0010003
@@ -148,6 +160,8 @@
#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
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.21-rc2-mm2/include/asm-i386/termios.h linux-2.6.21-rc2-mm2/include/asm-i386/termios.h
--- linux.vanilla-2.6.21-rc2-mm2/include/asm-i386/termios.h 2007-03-06 23:06:31.000000000 +0000
+++ linux-2.6.21-rc2-mm2/include/asm-i386/termios.h 2007-03-06 17:00:58.000000000 +0000
@@ -81,8 +81,10 @@
copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
})
-#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios))
-#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios))
+#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios2))
+#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios2))
+#define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios))
+#define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios))
#endif /* __KERNEL__ */
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.21-rc2-mm2/include/asm-x86_64/termbits.h linux-2.6.21-rc2-mm2/include/asm-x86_64/termbits.h
--- linux.vanilla-2.6.21-rc2-mm2/include/asm-x86_64/termbits.h 2007-03-06 23:06:37.000000000 +0000
+++ linux-2.6.21-rc2-mm2/include/asm-x86_64/termbits.h 2007-03-08 16:39:06.000000000 +0000
@@ -160,7 +160,7 @@
#define CMSPAR 010000000000 /* mark or space (stick) parity */
#define CRTSCTS 020000000000 /* flow control */
-#define IBSHIFT 8 /* Shift from CBAUD to CIBAUD */
+#define IBSHIFT 16 /* Shift from CBAUD to CIBAUD */
/* c_lflag bits */
#define ISIG 0000001
-
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