#include <linux/module.h> /* For EXPORT_SYMBOL */
#include <linux/errno.h>
-#include <linux/sched.h>
#include <linux/interrupt.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>
return retval;
}
-static void pty_set_termios(struct tty_struct *tty, struct termios *old_termios)
+static void pty_set_termios(struct tty_struct *tty, struct ktermios *old_termios)
{
tty->termios->c_cflag &= ~(CSIZE | PARENB);
tty->termios->c_cflag |= (CS8 | CREAD);
}
-static struct tty_operations pty_ops = {
+static const struct tty_operations pty_ops = {
.open = pty_open,
.close = pty_close,
.write = pty_write,
return -ENOIOCTLCMD;
}
+static int legacy_count = CONFIG_LEGACY_PTY_COUNT;
+module_param(legacy_count, int, 0);
+
static void __init legacy_pty_init(void)
{
+ if (legacy_count <= 0)
+ return;
- pty_driver = alloc_tty_driver(NR_PTYS);
+ pty_driver = alloc_tty_driver(legacy_count);
if (!pty_driver)
panic("Couldn't allocate pty driver");
- pty_slave_driver = alloc_tty_driver(NR_PTYS);
+ pty_slave_driver = alloc_tty_driver(legacy_count);
if (!pty_slave_driver)
panic("Couldn't allocate pty slave driver");
pty_driver->init_termios.c_oflag = 0;
pty_driver->init_termios.c_cflag = B38400 | CS8 | CREAD;
pty_driver->init_termios.c_lflag = 0;
+ pty_driver->init_termios.c_ispeed = 38400;
+ pty_driver->init_termios.c_ospeed = 38400;
pty_driver->flags = TTY_DRIVER_RESET_TERMIOS | TTY_DRIVER_REAL_RAW;
pty_driver->other = pty_slave_driver;
tty_set_operations(pty_driver, &pty_ops);
pty_slave_driver->subtype = PTY_TYPE_SLAVE;
pty_slave_driver->init_termios = tty_std_termios;
pty_slave_driver->init_termios.c_cflag = B38400 | CS8 | CREAD;
+ pty_slave_driver->init_termios.c_ispeed = 38400;
+ pty_slave_driver->init_termios.c_ospeed = 38400;
pty_slave_driver->flags = TTY_DRIVER_RESET_TERMIOS |
TTY_DRIVER_REAL_RAW;
pty_slave_driver->other = pty_driver;
ptm_driver->init_termios.c_oflag = 0;
ptm_driver->init_termios.c_cflag = B38400 | CS8 | CREAD;
ptm_driver->init_termios.c_lflag = 0;
+ ptm_driver->init_termios.c_ispeed = 38400;
+ ptm_driver->init_termios.c_ospeed = 38400;
ptm_driver->flags = TTY_DRIVER_RESET_TERMIOS | TTY_DRIVER_REAL_RAW |
TTY_DRIVER_DYNAMIC_DEV | TTY_DRIVER_DEVPTS_MEM;
ptm_driver->other = pts_driver;
pts_driver->subtype = PTY_TYPE_SLAVE;
pts_driver->init_termios = tty_std_termios;
pts_driver->init_termios.c_cflag = B38400 | CS8 | CREAD;
+ pts_driver->init_termios.c_ispeed = 38400;
+ pts_driver->init_termios.c_ospeed = 38400;
pts_driver->flags = TTY_DRIVER_RESET_TERMIOS | TTY_DRIVER_REAL_RAW |
TTY_DRIVER_DYNAMIC_DEV | TTY_DRIVER_DEVPTS_MEM;
pts_driver->other = ptm_driver;