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staging: comedi: serial2002: cleanup tty_setspeed()

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Rename the two local variables used to set the serial port speed
and latency so thy are unique.

Remove the unnecessary '{ }' around the code and the extra indents.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2013-04-05 16:08:32 -07:00 committed by Greg Kroah-Hartman
parent 0a245982e6
commit 071e0866d2
1 changed files with 40 additions and 54 deletions
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94
drivers/staging/comedi/drivers/serial2002.c
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@ -185,67 +185,53 @@ static int tty_read(struct file *f, int timeout)
static void tty_setspeed(struct file *f, int speed) static void tty_setspeed(struct file *f, int speed)
{ {
struct termios termios;
struct serial_struct serial;
mm_segment_t oldfs; mm_segment_t oldfs;
oldfs = get_fs(); oldfs = get_fs();
set_fs(KERNEL_DS); set_fs(KERNEL_DS);
{
/* Set speed */
struct termios settings;
tty_ioctl(f, TCGETS, (unsigned long)&settings); /* Set speed */
/* printk("Speed: %d\n", settings.c_cflag & (CBAUD | CBAUDEX)); */ tty_ioctl(f, TCGETS, (unsigned long)&termios);
settings.c_iflag = 0; termios.c_iflag = 0;
settings.c_oflag = 0; termios.c_oflag = 0;
settings.c_lflag = 0; termios.c_lflag = 0;
settings.c_cflag = CLOCAL | CS8 | CREAD; termios.c_cflag = CLOCAL | CS8 | CREAD;
settings.c_cc[VMIN] = 0; termios.c_cc[VMIN] = 0;
settings.c_cc[VTIME] = 0; termios.c_cc[VTIME] = 0;
switch (speed) { switch (speed) {
case 2400:{ case 2400:
settings.c_cflag |= B2400; termios.c_cflag |= B2400;
} break;
break; case 4800:
case 4800:{ termios.c_cflag |= B4800;
settings.c_cflag |= B4800; break;
} case 9600:
break; termios.c_cflag |= B9600;
case 9600:{ break;
settings.c_cflag |= B9600; case 19200:
} termios.c_cflag |= B19200;
break; break;
case 19200:{ case 38400:
settings.c_cflag |= B19200; termios.c_cflag |= B38400;
} break;
break; case 57600:
case 38400:{ termios.c_cflag |= B57600;
settings.c_cflag |= B38400; break;
} case 115200:
break; termios.c_cflag |= B115200;
case 57600:{ break;
settings.c_cflag |= B57600; default:
} termios.c_cflag |= B9600;
break; 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)); */
} }
{ tty_ioctl(f, TCSETS, (unsigned long)&termios);
/* Set low latency */
struct serial_struct settings;
tty_ioctl(f, TIOCGSERIAL, (unsigned long)&settings); /* Set low latency */
settings.flags |= ASYNC_LOW_LATENCY; tty_ioctl(f, TIOCGSERIAL, (unsigned long)&serial);
tty_ioctl(f, TIOCSSERIAL, (unsigned long)&settings); serial.flags |= ASYNC_LOW_LATENCY;
} tty_ioctl(f, TIOCSSERIAL, (unsigned long)&serial);
set_fs(oldfs); set_fs(oldfs);
} }