serial_core: bring mostly into line with coding style
authorAlan Cox <alan@lxorguk.ukuu.org.uk>
Fri, 8 Feb 2008 12:18:53 +0000 (04:18 -0800)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Fri, 8 Feb 2008 17:22:25 +0000 (09:22 -0800)
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>
drivers/serial/serial_core.c

index 276da148c57e015a6a148ec60a028d3d2e840ba6..efef494d945a9a3aec64447cef9a55b8eaa42b3e 100644 (file)
@@ -58,7 +58,8 @@ static struct lock_class_key port_lock_key;
 #define uart_console(port)     (0)
 #endif
 
-static void uart_change_speed(struct uart_state *state, struct ktermios *old_termios);
+static void uart_change_speed(struct uart_state *state,
+                                       struct ktermios *old_termios);
 static void uart_wait_until_sent(struct tty_struct *tty, int timeout);
 static void uart_change_pm(struct uart_state *state, int pm_state);
 
@@ -129,8 +130,8 @@ uart_update_mctrl(struct uart_port *port, unsigned int set, unsigned int clear)
        spin_unlock_irqrestore(&port->lock, flags);
 }
 
-#define uart_set_mctrl(port,set)       uart_update_mctrl(port,set,0)
-#define uart_clear_mctrl(port,clear)   uart_update_mctrl(port,0,clear)
+#define uart_set_mctrl(port, set)      uart_update_mctrl(port, set, 0)
+#define uart_clear_mctrl(port, clear)  uart_update_mctrl(port, 0, clear)
 
 /*
  * Startup the port.  This will be called once per open.  All calls
@@ -290,7 +291,7 @@ uart_update_timeout(struct uart_port *port, unsigned int cflag,
                break;
        default:
                bits = 10;
-               break; // CS8
+               break; /* CS8 */
        }
 
        if (cflag & CSTOPB)
@@ -622,7 +623,7 @@ static int uart_get_info(struct uart_state *state,
        tmp.close_delay     = state->close_delay / 10;
        tmp.closing_wait    = state->closing_wait == USF_CLOSING_WAIT_NONE ?
                                ASYNC_CLOSING_WAIT_NONE :
-                               state->closing_wait / 10;
+                               state->closing_wait / 10;
        tmp.custom_divisor  = port->custom_divisor;
        tmp.hub6            = port->hub6;
        tmp.io_type         = port->iotype;
@@ -788,7 +789,8 @@ static int uart_set_info(struct uart_state *state,
                         * We failed anyway.
                         */
                        retval = -EBUSY;
-                       goto exit;  // Added to return the correct error -Ram Gupta
+                       /* Added to return the correct error -Ram Gupta */
+                       goto exit;
                }
        }
 
@@ -858,7 +860,7 @@ static int uart_get_lsr_info(struct uart_state *state,
            ((uart_circ_chars_pending(&state->info->xmit) > 0) &&
             !state->info->tty->stopped && !state->info->tty->hw_stopped))
                result &= ~TIOCSER_TEMT;
-       
+
        return put_user(result, value);
 }
 
@@ -996,8 +998,8 @@ uart_wait_modem_status(struct uart_state *state, unsigned long arg)
                    ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) ||
                    ((arg & TIOCM_CD)  && (cnow.dcd != cprev.dcd)) ||
                    ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts))) {
-                       ret = 0;
-                       break;
+                       ret = 0;
+                       break;
                }
 
                schedule();
@@ -1137,7 +1139,8 @@ uart_ioctl(struct tty_struct *tty, struct file *filp, unsigned int cmd,
        return ret;
 }
 
-static void uart_set_termios(struct tty_struct *tty, struct ktermios *old_termios)
+static void uart_set_termios(struct tty_struct *tty,
+                                               struct ktermios *old_termios)
 {
        struct uart_state *state = tty->driver_data;
        unsigned long flags;
@@ -1213,7 +1216,7 @@ static void uart_close(struct tty_struct *tty, struct file *filp)
 {
        struct uart_state *state = tty->driver_data;
        struct uart_port *port;
-       
+
        BUG_ON(!kernel_locked());
 
        if (!state || !state->port)
@@ -1278,8 +1281,8 @@ static void uart_close(struct tty_struct *tty, struct file *filp)
        uart_shutdown(state);
        uart_flush_buffer(tty);
 
-       tty_ldisc_flush(tty);   
-       
+       tty_ldisc_flush(tty);
+
        tty->closing = 0;
        state->info->tty = NULL;
 
@@ -1341,7 +1344,7 @@ static void uart_wait_until_sent(struct tty_struct *tty, int timeout)
        expire = jiffies + timeout;
 
        pr_debug("uart_wait_until_sent(%d), jiffies=%lu, expire=%lu...\n",
-               port->line, jiffies, expire);
+               port->line, jiffies, expire);
 
        /*
         * Check whether the transmitter is empty every 'char_time'.
@@ -1460,10 +1463,9 @@ uart_block_til_ready(struct file *filp, struct uart_state *state)
                 * have set TTY_IO_ERROR for a non-existant port.
                 */
                if ((filp->f_flags & O_NONBLOCK) ||
-                   (info->tty->termios->c_cflag & CLOCAL) ||
-                   (info->tty->flags & (1 << TTY_IO_ERROR))) {
+                   (info->tty->termios->c_cflag & CLOCAL) ||
+                   (info->tty->flags & (1 << TTY_IO_ERROR)))
                        break;
-               }
 
                /*
                 * Set DTR to allow modem to know we're waiting.  Do
@@ -1674,7 +1676,7 @@ static int uart_line_info(char *buf, struct uart_driver *drv, int i)
                        port->line, uart_type(port),
                        mmio ? "mmio:0x" : "port:",
                        mmio ? (unsigned long long)port->mapbase
-                            : (unsigned long long) port->iobase,
+                            : (unsigned long long) port->iobase,
                        port->irq);
 
        if (port->type == PORT_UNKNOWN) {
@@ -1682,8 +1684,7 @@ static int uart_line_info(char *buf, struct uart_driver *drv, int i)
                return ret + 1;
        }
 
-       if(capable(CAP_SYS_ADMIN))
-       {
+       if (capable(CAP_SYS_ADMIN)) {
                mutex_lock(&state->mutex);
                pm_state = state->pm_state;
                if (pm_state)
@@ -1709,12 +1710,12 @@ static int uart_line_info(char *buf, struct uart_driver *drv, int i)
                if (port->icount.overrun)
                        ret += sprintf(buf + ret, " oe:%d",
                                port->icount.overrun);
-       
-#define INFOBIT(bit,str) \
+
+#define INFOBIT(bit, str) \
        if (port->mctrl & (bit)) \
                strncat(stat_buf, (str), sizeof(stat_buf) - \
                        strlen(stat_buf) - 2)
-#define STATBIT(bit,str) \
+#define STATBIT(bit, str) \
        if (status & (bit)) \
                strncat(stat_buf, (str), sizeof(stat_buf) - \
                       strlen(stat_buf) - 2)
@@ -1730,7 +1731,7 @@ static int uart_line_info(char *buf, struct uart_driver *drv, int i)
                if (stat_buf[0])
                        stat_buf[0] = ' ';
                strcat(stat_buf, "\n");
-       
+
                ret += sprintf(buf + ret, stat_buf);
        } else {
                strcat(buf, "\n");
@@ -1992,11 +1993,11 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *port)
                /*
                 * Wait for the transmitter to empty.
                 */
-               for (tries = 3; !ops->tx_empty(port) && tries; tries--) {
+               for (tries = 3; !ops->tx_empty(port) && tries; tries--)
                        msleep(10);
-               }
                if (!tries)
-                       printk(KERN_ERR "%s%s%s%d: Unable to drain transmitter\n",
+                       printk(KERN_ERR "%s%s%s%d: Unable to drain "
+                                       "transmitter\n",
                               port->dev ? port->dev->bus_id : "",
                               port->dev ? ": " : "",
                               drv->dev_name, port->line);