static void tty_setspeed(struct file *f, int speed)
{
+ struct termios termios;
+ struct serial_struct serial;
mm_segment_t oldfs;
oldfs = get_fs();
set_fs(KERNEL_DS);
- {
- /* Set speed */
- struct termios settings;
-
- tty_ioctl(f, TCGETS, (unsigned long)&settings);
-/* printk("Speed: %d\n", settings.c_cflag & (CBAUD | CBAUDEX)); */
- settings.c_iflag = 0;
- settings.c_oflag = 0;
- settings.c_lflag = 0;
- settings.c_cflag = CLOCAL | CS8 | CREAD;
- settings.c_cc[VMIN] = 0;
- settings.c_cc[VTIME] = 0;
- switch (speed) {
- case 2400:{
- settings.c_cflag |= B2400;
- }
- break;
- case 4800:{
- settings.c_cflag |= B4800;
- }
- break;
- case 9600:{
- settings.c_cflag |= B9600;
- }
- break;
- case 19200:{
- settings.c_cflag |= B19200;
- }
- break;
- case 38400:{
- settings.c_cflag |= B38400;
- }
- break;
- case 57600:{
- settings.c_cflag |= B57600;
- }
- break;
- case 115200:{
- settings.c_cflag |= B115200;
- }
- break;
- default:{
- settings.c_cflag |= B9600;
- }
- break;
- }
- tty_ioctl(f, TCSETS, (unsigned long)&settings);
-/* printk("Speed: %d\n", settings.c_cflag & (CBAUD | CBAUDEX)); */
- }
- {
- /* Set low latency */
- struct serial_struct settings;
- tty_ioctl(f, TIOCGSERIAL, (unsigned long)&settings);
- settings.flags |= ASYNC_LOW_LATENCY;
- tty_ioctl(f, TIOCSSERIAL, (unsigned long)&settings);
+ /* Set speed */
+ tty_ioctl(f, TCGETS, (unsigned long)&termios);
+ termios.c_iflag = 0;
+ termios.c_oflag = 0;
+ termios.c_lflag = 0;
+ termios.c_cflag = CLOCAL | CS8 | CREAD;
+ termios.c_cc[VMIN] = 0;
+ termios.c_cc[VTIME] = 0;
+ switch (speed) {
+ case 2400:
+ termios.c_cflag |= B2400;
+ break;
+ case 4800:
+ termios.c_cflag |= B4800;
+ break;
+ case 9600:
+ termios.c_cflag |= B9600;
+ break;
+ case 19200:
+ termios.c_cflag |= B19200;
+ break;
+ case 38400:
+ termios.c_cflag |= B38400;
+ break;
+ case 57600:
+ termios.c_cflag |= B57600;
+ break;
+ case 115200:
+ termios.c_cflag |= B115200;
+ break;
+ default:
+ termios.c_cflag |= B9600;
+ break;
}
+ tty_ioctl(f, TCSETS, (unsigned long)&termios);
+
+ /* Set low latency */
+ tty_ioctl(f, TIOCGSERIAL, (unsigned long)&serial);
+ serial.flags |= ASYNC_LOW_LATENCY;
+ tty_ioctl(f, TIOCSSERIAL, (unsigned long)&serial);
set_fs(oldfs);
}