[PATCH] USB: whitespace fixes for cypress_m8 driver
Reading this driver I noticed some trailing whitespaces and tabs so I removed them with some 80th column fitting and a few more similar things. From: Carlo Perassi <carlo@linux.it> Signed-off-by: Lonnie Mendez <dignome@gmail.com> Signed-off-by: Carlo Perassi <carlo@linux.it> Signed-off-by: Domen Puncer <domen@coderock.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
parent
4e1491847e
commit
b9db07fba7
1 changed files with 153 additions and 100 deletions
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@ -453,8 +453,8 @@ static int generic_startup (struct usb_serial *serial)
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priv->cbr_mask = B300;
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usb_set_serial_port_data(serial->port[0], priv);
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return (0);
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}
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return 0;
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}
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static int cypress_earthmate_startup (struct usb_serial *serial)
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@ -464,14 +464,15 @@ static int cypress_earthmate_startup (struct usb_serial *serial)
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dbg("%s", __FUNCTION__);
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if (generic_startup(serial)) {
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dbg("%s - Failed setting up port %d", __FUNCTION__, serial->port[0]->number);
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dbg("%s - Failed setting up port %d", __FUNCTION__,
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serial->port[0]->number);
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return 1;
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}
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priv = usb_get_serial_port_data(serial->port[0]);
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priv->chiptype = CT_EARTHMATE;
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return (0);
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return 0;
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} /* cypress_earthmate_startup */
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@ -482,14 +483,15 @@ static int cypress_hidcom_startup (struct usb_serial *serial)
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dbg("%s", __FUNCTION__);
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if (generic_startup(serial)) {
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dbg("%s - Failed setting up port %d", __FUNCTION__, serial->port[0]->number);
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dbg("%s - Failed setting up port %d", __FUNCTION__,
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serial->port[0]->number);
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return 1;
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}
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priv = usb_get_serial_port_data(serial->port[0]);
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priv->chiptype = CT_CYPHIDCOM;
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return (0);
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return 0;
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} /* cypress_hidcom_startup */
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@ -909,7 +911,8 @@ static int cypress_ioctl (struct usb_serial_port *port, struct file * file, unsi
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} /* cypress_ioctl */
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static void cypress_set_termios (struct usb_serial_port *port, struct termios *old_termios)
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static void cypress_set_termios (struct usb_serial_port *port,
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struct termios *old_termios)
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{
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struct cypress_private *priv = usb_get_serial_port_data(port);
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struct tty_struct *tty;
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@ -918,7 +921,7 @@ static void cypress_set_termios (struct usb_serial_port *port, struct termios *o
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unsigned long flags;
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__u8 oldlines;
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int linechange = 0;
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dbg("%s - port %d", __FUNCTION__, port->number);
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tty = port->tty;
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@ -931,10 +934,12 @@ static void cypress_set_termios (struct usb_serial_port *port, struct termios *o
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if (!priv->termios_initialized) {
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if (priv->chiptype == CT_EARTHMATE) {
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*(tty->termios) = tty_std_termios;
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tty->termios->c_cflag = B4800 | CS8 | CREAD | HUPCL | CLOCAL;
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tty->termios->c_cflag = B4800 | CS8 | CREAD | HUPCL |
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CLOCAL;
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} else if (priv->chiptype == CT_CYPHIDCOM) {
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*(tty->termios) = tty_std_termios;
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tty->termios->c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
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tty->termios->c_cflag = B9600 | CS8 | CREAD | HUPCL |
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CLOCAL;
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}
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priv->termios_initialized = 1;
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}
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@ -946,12 +951,15 @@ static void cypress_set_termios (struct usb_serial_port *port, struct termios *o
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/* check if there are new settings */
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if (old_termios) {
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if ((cflag != old_termios->c_cflag) ||
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(RELEVANT_IFLAG(iflag) != RELEVANT_IFLAG(old_termios->c_iflag))) {
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dbg("%s - attempting to set new termios settings", __FUNCTION__);
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/* should make a copy of this in case something goes wrong in the function, we can restore it */
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(RELEVANT_IFLAG(iflag) !=
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RELEVANT_IFLAG(old_termios->c_iflag))) {
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dbg("%s - attempting to set new termios settings",
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__FUNCTION__);
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/* should make a copy of this in case something goes
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* wrong in the function, we can restore it */
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spin_lock_irqsave(&priv->lock, flags);
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priv->tmp_termios = *(tty->termios);
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spin_unlock_irqrestore(&priv->lock, flags);
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spin_unlock_irqrestore(&priv->lock, flags);
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} else {
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dbg("%s - nothing to do, exiting", __FUNCTION__);
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return;
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@ -962,21 +970,34 @@ static void cypress_set_termios (struct usb_serial_port *port, struct termios *o
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/* set number of data bits, parity, stop bits */
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/* when parity is disabled the parity type bit is ignored */
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stop_bits = cflag & CSTOPB ? 1 : 0; /* 1 means 2 stop bits, 0 means 1 stop bit */
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/* 1 means 2 stop bits, 0 means 1 stop bit */
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stop_bits = cflag & CSTOPB ? 1 : 0;
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if (cflag & PARENB) {
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parity_enable = 1;
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parity_type = cflag & PARODD ? 1 : 0; /* 1 means odd parity, 0 means even parity */
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/* 1 means odd parity, 0 means even parity */
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parity_type = cflag & PARODD ? 1 : 0;
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} else
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parity_enable = parity_type = 0;
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if (cflag & CSIZE) {
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switch (cflag & CSIZE) {
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case CS5: data_bits = 0; break;
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case CS6: data_bits = 1; break;
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case CS7: data_bits = 2; break;
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case CS8: data_bits = 3; break;
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default: err("%s - CSIZE was set, but not CS5-CS8", __FUNCTION__); data_bits = 3;
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case CS5:
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data_bits = 0;
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break;
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case CS6:
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data_bits = 1;
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break;
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case CS7:
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data_bits = 2;
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break;
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case CS8:
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data_bits = 3;
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break;
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default:
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err("%s - CSIZE was set, but not CS5-CS8",
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__FUNCTION__);
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data_bits = 3;
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}
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} else
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data_bits = 3;
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@ -991,63 +1012,85 @@ static void cypress_set_termios (struct usb_serial_port *port, struct termios *o
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} else {
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baud_mask = (cflag & CBAUD);
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switch(baud_mask) {
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case B300: dbg("%s - setting baud 300bps", __FUNCTION__); break;
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case B600: dbg("%s - setting baud 600bps", __FUNCTION__); break;
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case B1200: dbg("%s - setting baud 1200bps", __FUNCTION__); break;
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case B2400: dbg("%s - setting baud 2400bps", __FUNCTION__); break;
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case B4800: dbg("%s - setting baud 4800bps", __FUNCTION__); break;
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case B9600: dbg("%s - setting baud 9600bps", __FUNCTION__); break;
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case B19200: dbg("%s - setting baud 19200bps", __FUNCTION__); break;
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case B38400: dbg("%s - setting baud 38400bps", __FUNCTION__); break;
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case B57600: dbg("%s - setting baud 57600bps", __FUNCTION__); break;
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case B115200: dbg("%s - setting baud 115200bps", __FUNCTION__); break;
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default: dbg("%s - unknown masked baud rate", __FUNCTION__);
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case B300:
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dbg("%s - setting baud 300bps", __FUNCTION__);
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break;
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case B600:
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dbg("%s - setting baud 600bps", __FUNCTION__);
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break;
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case B1200:
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dbg("%s - setting baud 1200bps", __FUNCTION__);
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break;
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case B2400:
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dbg("%s - setting baud 2400bps", __FUNCTION__);
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break;
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case B4800:
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dbg("%s - setting baud 4800bps", __FUNCTION__);
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break;
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case B9600:
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dbg("%s - setting baud 9600bps", __FUNCTION__);
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break;
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case B19200:
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dbg("%s - setting baud 19200bps", __FUNCTION__);
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break;
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case B38400:
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dbg("%s - setting baud 38400bps", __FUNCTION__);
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break;
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case B57600:
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dbg("%s - setting baud 57600bps", __FUNCTION__);
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break;
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case B115200:
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dbg("%s - setting baud 115200bps", __FUNCTION__);
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break;
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default:
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dbg("%s - unknown masked baud rate", __FUNCTION__);
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}
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priv->line_control = (CONTROL_DTR | CONTROL_RTS);
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}
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spin_unlock_irqrestore(&priv->lock, flags);
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dbg("%s - sending %d stop_bits, %d parity_enable, %d parity_type, %d data_bits (+5)", __FUNCTION__,
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stop_bits, parity_enable, parity_type, data_bits);
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cypress_serial_control(port, baud_mask, data_bits, stop_bits, parity_enable,
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parity_type, 0, CYPRESS_SET_CONFIG);
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dbg("%s - sending %d stop_bits, %d parity_enable, %d parity_type, "
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"%d data_bits (+5)", __FUNCTION__, stop_bits,
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parity_enable, parity_type, data_bits);
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/* we perform a CYPRESS_GET_CONFIG so that the current settings are filled into the private structure
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* this should confirm that all is working if it returns what we just set */
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cypress_serial_control(port, baud_mask, data_bits, stop_bits,
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parity_enable, parity_type, 0, CYPRESS_SET_CONFIG);
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/* we perform a CYPRESS_GET_CONFIG so that the current settings are
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* filled into the private structure this should confirm that all is
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* working if it returns what we just set */
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cypress_serial_control(port, 0, 0, 0, 0, 0, 0, CYPRESS_GET_CONFIG);
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/* Here we can define custom tty settings for devices
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*
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* the main tty termios flag base comes from empeg.c
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*/
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/* Here we can define custom tty settings for devices; the main tty
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* termios flag base comes from empeg.c */
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spin_lock_irqsave(&priv->lock, flags);
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spin_lock_irqsave(&priv->lock, flags);
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if ( (priv->chiptype == CT_EARTHMATE) && (priv->baud_rate == 4800) ) {
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dbg("Using custom termios settings for a baud rate of 4800bps.");
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dbg("Using custom termios settings for a baud rate of "
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"4800bps.");
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/* define custom termios settings for NMEA protocol */
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tty->termios->c_iflag /* input modes - */
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&= ~(IGNBRK /* disable ignore break */
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| BRKINT /* disable break causes interrupt */
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| PARMRK /* disable mark parity errors */
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| ISTRIP /* disable clear high bit of input characters */
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| INLCR /* disable translate NL to CR */
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| IGNCR /* disable ignore CR */
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| ICRNL /* disable translate CR to NL */
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| IXON); /* disable enable XON/XOFF flow control */
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tty->termios->c_oflag /* output modes */
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&= ~OPOST; /* disable postprocess output characters */
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tty->termios->c_lflag /* line discipline modes */
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&= ~(ECHO /* disable echo input characters */
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| ECHONL /* disable echo new line */
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| ICANON /* disable erase, kill, werase, and rprnt special characters */
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| ISIG /* disable interrupt, quit, and suspend special characters */
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| IEXTEN); /* disable non-POSIX special characters */
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&= ~(IGNBRK /* disable ignore break */
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| BRKINT /* disable break causes interrupt */
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| PARMRK /* disable mark parity errors */
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| ISTRIP /* disable clear high bit of input char */
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| INLCR /* disable translate NL to CR */
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| IGNCR /* disable ignore CR */
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| ICRNL /* disable translate CR to NL */
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| IXON); /* disable enable XON/XOFF flow control */
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tty->termios->c_oflag /* output modes */
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&= ~OPOST; /* disable postprocess output char */
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tty->termios->c_lflag /* line discipline modes */
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&= ~(ECHO /* disable echo input characters */
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| ECHONL /* disable echo new line */
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| ICANON /* disable erase, kill, werase, and rprnt
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special characters */
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| ISIG /* disable interrupt, quit, and suspend
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special characters */
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| IEXTEN); /* disable non-POSIX special characters */
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} /* CT_CYPHIDCOM: Application should handle this for device */
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linechange = (priv->line_control != oldlines);
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@ -1060,7 +1103,7 @@ static void cypress_set_termios (struct usb_serial_port *port, struct termios *o
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}
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} /* cypress_set_termios */
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/* returns amount of data still left in soft buffer */
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static int cypress_chars_in_buffer(struct usb_serial_port *port)
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{
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@ -1088,7 +1131,7 @@ static void cypress_throttle (struct usb_serial_port *port)
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spin_lock_irqsave(&priv->lock, flags);
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priv->rx_flags = THROTTLED;
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spin_unlock_irqrestore(&priv->lock, flags);
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spin_unlock_irqrestore(&priv->lock, flags);
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}
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@ -1110,7 +1153,8 @@ static void cypress_unthrottle (struct usb_serial_port *port)
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result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC);
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if (result)
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dev_err(&port->dev, "%s - failed submitting read urb, error %d\n", __FUNCTION__, result);
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dev_err(&port->dev, "%s - failed submitting read urb, "
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"error %d\n", __FUNCTION__, result);
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}
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}
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@ -1122,7 +1166,7 @@ static void cypress_read_int_callback(struct urb *urb, struct pt_regs *regs)
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struct tty_struct *tty;
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unsigned char *data = urb->transfer_buffer;
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unsigned long flags;
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char tty_flag = TTY_NORMAL;
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char tty_flag = TTY_NORMAL;
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int havedata = 0;
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int bytes = 0;
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int result;
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@ -1131,7 +1175,8 @@ static void cypress_read_int_callback(struct urb *urb, struct pt_regs *regs)
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dbg("%s - port %d", __FUNCTION__, port->number);
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if (urb->status) {
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dbg("%s - nonzero read status received: %d", __FUNCTION__, urb->status);
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dbg("%s - nonzero read status received: %d", __FUNCTION__,
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urb->status);
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return;
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}
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@ -1155,51 +1200,55 @@ static void cypress_read_int_callback(struct urb *urb, struct pt_regs *regs)
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case 32:
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/* This is for the CY7C64013... */
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priv->current_status = data[0] & 0xF8;
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bytes = data[1]+2;
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i=2;
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bytes = data[1] + 2;
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i = 2;
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if (bytes > 2)
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havedata = 1;
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break;
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case 8:
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/* This is for the CY7C63743... */
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priv->current_status = data[0] & 0xF8;
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bytes = (data[0] & 0x07)+1;
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i=1;
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bytes = (data[0] & 0x07) + 1;
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i = 1;
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if (bytes > 1)
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havedata = 1;
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break;
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default:
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dbg("%s - wrong packet size - received %d bytes", __FUNCTION__, urb->actual_length);
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dbg("%s - wrong packet size - received %d bytes",
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__FUNCTION__, urb->actual_length);
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spin_unlock_irqrestore(&priv->lock, flags);
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goto continue_read;
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}
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spin_unlock_irqrestore(&priv->lock, flags);
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usb_serial_debug_data (debug, &port->dev, __FUNCTION__, urb->actual_length, data);
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usb_serial_debug_data (debug, &port->dev, __FUNCTION__,
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urb->actual_length, data);
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spin_lock_irqsave(&priv->lock, flags);
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/* check to see if status has changed */
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if (priv != NULL) {
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if (priv->current_status != priv->prev_status) {
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priv->diff_status |= priv->current_status ^ priv->prev_status;
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priv->diff_status |= priv->current_status ^
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priv->prev_status;
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wake_up_interruptible(&priv->delta_msr_wait);
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priv->prev_status = priv->current_status;
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}
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}
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spin_unlock_irqrestore(&priv->lock, flags);
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spin_unlock_irqrestore(&priv->lock, flags);
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/* hangup, as defined in acm.c... this might be a bad place for it though */
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if (tty && !(tty->termios->c_cflag & CLOCAL) && !(priv->current_status & UART_CD)) {
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/* hangup, as defined in acm.c... this might be a bad place for it
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* though */
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if (tty && !(tty->termios->c_cflag & CLOCAL) &&
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!(priv->current_status & UART_CD)) {
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dbg("%s - calling hangup", __FUNCTION__);
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tty_hangup(tty);
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goto continue_read;
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}
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/* There is one error bit... I'm assuming it is a parity error indicator
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* as the generic firmware will set this bit to 1 if a parity error occurs.
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* I can not find reference to any other error events.
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*
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*/
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/* There is one error bit... I'm assuming it is a parity error
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* indicator as the generic firmware will set this bit to 1 if a
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* parity error occurs.
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* I can not find reference to any other error events. */
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spin_lock_irqsave(&priv->lock, flags);
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if (priv->current_status & CYP_ERROR) {
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spin_unlock_irqrestore(&priv->lock, flags);
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@ -1211,7 +1260,8 @@ static void cypress_read_int_callback(struct urb *urb, struct pt_regs *regs)
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/* process read if there is data other than line status */
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if (tty && (bytes > i)) {
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for (; i < bytes ; ++i) {
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dbg("pushing byte number %d - %d - %c",i,data[i],data[i]);
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dbg("pushing byte number %d - %d - %c", i, data[i],
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data[i]);
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if(tty->flip.count >= TTY_FLIPBUF_SIZE) {
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tty_flip_buffer_push(tty);
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}
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@ -1221,25 +1271,28 @@ static void cypress_read_int_callback(struct urb *urb, struct pt_regs *regs)
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}
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spin_lock_irqsave(&priv->lock, flags);
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priv->bytes_in += bytes; /* control and status byte(s) are also counted */
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/* control and status byte(s) are also counted */
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priv->bytes_in += bytes;
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spin_unlock_irqrestore(&priv->lock, flags);
|
||||
|
||||
continue_read:
|
||||
|
||||
/* Continue trying to always read... unless the port has closed. */
|
||||
|
||||
/* Continue trying to always read... unless the port has closed. */
|
||||
|
||||
if (port->open_count > 0) {
|
||||
usb_fill_int_urb(port->interrupt_in_urb, port->serial->dev,
|
||||
usb_rcvintpipe(port->serial->dev, port->interrupt_in_endpointAddress),
|
||||
port->interrupt_in_urb->transfer_buffer,
|
||||
port->interrupt_in_urb->transfer_buffer_length,
|
||||
cypress_read_int_callback, port,
|
||||
interval);
|
||||
result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC);
|
||||
if (result)
|
||||
dev_err(&urb->dev->dev, "%s - failed resubmitting read urb, error %d\n", __FUNCTION__, result);
|
||||
usb_fill_int_urb(port->interrupt_in_urb, port->serial->dev,
|
||||
usb_rcvintpipe(port->serial->dev,
|
||||
port->interrupt_in_endpointAddress),
|
||||
port->interrupt_in_urb->transfer_buffer,
|
||||
port->interrupt_in_urb->transfer_buffer_length,
|
||||
cypress_read_int_callback, port, interval);
|
||||
result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC);
|
||||
if (result)
|
||||
dev_err(&urb->dev->dev, "%s - failed resubmitting "
|
||||
"read urb, error %d\n", __FUNCTION__,
|
||||
result);
|
||||
}
|
||||
|
||||
|
||||
return;
|
||||
} /* cypress_read_int_callback */
|
||||
|
||||
|
|
Reference in a new issue