serial_core: bring mostly into line with coding style
Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
parent
b4c502a709
commit
a46c999424
1 changed files with 28 additions and 27 deletions
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@ -58,7 +58,8 @@ static struct lock_class_key port_lock_key;
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#define uart_console(port) (0)
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#endif
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static void uart_change_speed(struct uart_state *state, struct ktermios *old_termios);
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static void uart_change_speed(struct uart_state *state,
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struct ktermios *old_termios);
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static void uart_wait_until_sent(struct tty_struct *tty, int timeout);
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static void uart_change_pm(struct uart_state *state, int pm_state);
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@ -129,8 +130,8 @@ uart_update_mctrl(struct uart_port *port, unsigned int set, unsigned int clear)
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spin_unlock_irqrestore(&port->lock, flags);
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}
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#define uart_set_mctrl(port,set) uart_update_mctrl(port,set,0)
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#define uart_clear_mctrl(port,clear) uart_update_mctrl(port,0,clear)
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#define uart_set_mctrl(port, set) uart_update_mctrl(port, set, 0)
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#define uart_clear_mctrl(port, clear) uart_update_mctrl(port, 0, clear)
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/*
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* Startup the port. This will be called once per open. All calls
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@ -290,7 +291,7 @@ uart_update_timeout(struct uart_port *port, unsigned int cflag,
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break;
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default:
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bits = 10;
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break; // CS8
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break; /* CS8 */
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}
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if (cflag & CSTOPB)
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@ -622,7 +623,7 @@ static int uart_get_info(struct uart_state *state,
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tmp.close_delay = state->close_delay / 10;
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tmp.closing_wait = state->closing_wait == USF_CLOSING_WAIT_NONE ?
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ASYNC_CLOSING_WAIT_NONE :
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state->closing_wait / 10;
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state->closing_wait / 10;
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tmp.custom_divisor = port->custom_divisor;
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tmp.hub6 = port->hub6;
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tmp.io_type = port->iotype;
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@ -788,7 +789,8 @@ static int uart_set_info(struct uart_state *state,
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* We failed anyway.
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*/
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retval = -EBUSY;
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goto exit; // Added to return the correct error -Ram Gupta
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/* Added to return the correct error -Ram Gupta */
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goto exit;
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}
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}
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@ -858,7 +860,7 @@ static int uart_get_lsr_info(struct uart_state *state,
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((uart_circ_chars_pending(&state->info->xmit) > 0) &&
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!state->info->tty->stopped && !state->info->tty->hw_stopped))
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result &= ~TIOCSER_TEMT;
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return put_user(result, value);
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}
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@ -996,8 +998,8 @@ uart_wait_modem_status(struct uart_state *state, unsigned long arg)
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((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) ||
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((arg & TIOCM_CD) && (cnow.dcd != cprev.dcd)) ||
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((arg & TIOCM_CTS) && (cnow.cts != cprev.cts))) {
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ret = 0;
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break;
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ret = 0;
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break;
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}
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schedule();
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@ -1137,7 +1139,8 @@ uart_ioctl(struct tty_struct *tty, struct file *filp, unsigned int cmd,
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return ret;
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}
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static void uart_set_termios(struct tty_struct *tty, struct ktermios *old_termios)
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static void uart_set_termios(struct tty_struct *tty,
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struct ktermios *old_termios)
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{
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struct uart_state *state = tty->driver_data;
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unsigned long flags;
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@ -1213,7 +1216,7 @@ static void uart_close(struct tty_struct *tty, struct file *filp)
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{
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struct uart_state *state = tty->driver_data;
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struct uart_port *port;
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BUG_ON(!kernel_locked());
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if (!state || !state->port)
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@ -1278,8 +1281,8 @@ static void uart_close(struct tty_struct *tty, struct file *filp)
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uart_shutdown(state);
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uart_flush_buffer(tty);
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tty_ldisc_flush(tty);
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tty_ldisc_flush(tty);
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tty->closing = 0;
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state->info->tty = NULL;
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@ -1341,7 +1344,7 @@ static void uart_wait_until_sent(struct tty_struct *tty, int timeout)
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expire = jiffies + timeout;
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pr_debug("uart_wait_until_sent(%d), jiffies=%lu, expire=%lu...\n",
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port->line, jiffies, expire);
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port->line, jiffies, expire);
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/*
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* Check whether the transmitter is empty every 'char_time'.
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@ -1460,10 +1463,9 @@ uart_block_til_ready(struct file *filp, struct uart_state *state)
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* have set TTY_IO_ERROR for a non-existant port.
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*/
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if ((filp->f_flags & O_NONBLOCK) ||
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(info->tty->termios->c_cflag & CLOCAL) ||
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(info->tty->flags & (1 << TTY_IO_ERROR))) {
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(info->tty->termios->c_cflag & CLOCAL) ||
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(info->tty->flags & (1 << TTY_IO_ERROR)))
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break;
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}
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/*
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* Set DTR to allow modem to know we're waiting. Do
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@ -1674,7 +1676,7 @@ static int uart_line_info(char *buf, struct uart_driver *drv, int i)
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port->line, uart_type(port),
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mmio ? "mmio:0x" : "port:",
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mmio ? (unsigned long long)port->mapbase
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: (unsigned long long) port->iobase,
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: (unsigned long long) port->iobase,
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port->irq);
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if (port->type == PORT_UNKNOWN) {
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@ -1682,8 +1684,7 @@ static int uart_line_info(char *buf, struct uart_driver *drv, int i)
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return ret + 1;
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}
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if(capable(CAP_SYS_ADMIN))
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{
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if (capable(CAP_SYS_ADMIN)) {
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mutex_lock(&state->mutex);
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pm_state = state->pm_state;
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if (pm_state)
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@ -1709,12 +1710,12 @@ static int uart_line_info(char *buf, struct uart_driver *drv, int i)
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if (port->icount.overrun)
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ret += sprintf(buf + ret, " oe:%d",
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port->icount.overrun);
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#define INFOBIT(bit,str) \
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#define INFOBIT(bit, str) \
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if (port->mctrl & (bit)) \
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strncat(stat_buf, (str), sizeof(stat_buf) - \
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strlen(stat_buf) - 2)
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#define STATBIT(bit,str) \
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#define STATBIT(bit, str) \
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if (status & (bit)) \
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strncat(stat_buf, (str), sizeof(stat_buf) - \
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strlen(stat_buf) - 2)
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@ -1730,7 +1731,7 @@ static int uart_line_info(char *buf, struct uart_driver *drv, int i)
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if (stat_buf[0])
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stat_buf[0] = ' ';
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strcat(stat_buf, "\n");
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ret += sprintf(buf + ret, stat_buf);
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} else {
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strcat(buf, "\n");
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@ -1992,11 +1993,11 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *port)
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/*
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* Wait for the transmitter to empty.
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*/
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for (tries = 3; !ops->tx_empty(port) && tries; tries--) {
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for (tries = 3; !ops->tx_empty(port) && tries; tries--)
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msleep(10);
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}
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if (!tries)
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printk(KERN_ERR "%s%s%s%d: Unable to drain transmitter\n",
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printk(KERN_ERR "%s%s%s%d: Unable to drain "
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"transmitter\n",
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port->dev ? port->dev->bus_id : "",
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port->dev ? ": " : "",
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drv->dev_name, port->line);
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