]> err.no Git - linux-2.6/blobdiff - drivers/serial/serial_core.c
Pull netlink into release branch
[linux-2.6] / drivers / serial / serial_core.c
index f409be37b62f43e1970e01ab401734793cc3dd60..9c57486c2e7fe20783b004dad25475b4cc805358 100644 (file)
 #include <asm/irq.h>
 #include <asm/uaccess.h>
 
-#undef DEBUG
-#ifdef DEBUG
-#define DPRINTK(x...)  printk(x)
-#else
-#define DPRINTK(x...)  do { } while (0)
-#endif
-
 /*
  * This is used to lock changes in serial line configuration.
  */
@@ -552,7 +545,7 @@ static void uart_flush_buffer(struct tty_struct *tty)
                return;
        }
 
-       DPRINTK("uart_flush_buffer(%d) called\n", tty->index);
+       pr_debug("uart_flush_buffer(%d) called\n", tty->index);
 
        spin_lock_irqsave(&port->lock, flags);
        uart_circ_clear(&state->info->xmit);
@@ -1224,7 +1217,7 @@ static void uart_close(struct tty_struct *tty, struct file *filp)
 
        port = state->port;
 
-       DPRINTK("uart_close(%d) called\n", port->line);
+       pr_debug("uart_close(%d) called\n", port->line);
 
        mutex_lock(&state->mutex);
 
@@ -1343,7 +1336,7 @@ static void uart_wait_until_sent(struct tty_struct *tty, int timeout)
 
        expire = jiffies + timeout;
 
-       DPRINTK("uart_wait_until_sent(%d), jiffies=%lu, expire=%lu...\n",
+       pr_debug("uart_wait_until_sent(%d), jiffies=%lu, expire=%lu...\n",
                port->line, jiffies, expire);
 
        /*
@@ -1372,7 +1365,7 @@ static void uart_hangup(struct tty_struct *tty)
        struct uart_state *state = tty->driver_data;
 
        BUG_ON(!kernel_locked());
-       DPRINTK("uart_hangup(%d)\n", state->port->line);
+       pr_debug("uart_hangup(%d)\n", state->port->line);
 
        mutex_lock(&state->mutex);
        if (state->info && state->info->flags & UIF_NORMAL_ACTIVE) {
@@ -1570,7 +1563,7 @@ static int uart_open(struct tty_struct *tty, struct file *filp)
        int retval, line = tty->index;
 
        BUG_ON(!kernel_locked());
-       DPRINTK("uart_open(%d) called\n", line);
+       pr_debug("uart_open(%d) called\n", line);
 
        /*
         * tty->driver->num won't change, so we won't fail here with
@@ -1917,6 +1910,12 @@ uart_set_options(struct uart_port *port, struct console *co,
        if (flow == 'r')
                termios.c_cflag |= CRTSCTS;
 
+       /*
+        * some uarts on other side don't support no flow control.
+        * So we set * DTR in host uart to make them happy
+        */
+       port->mctrl |= TIOCM_DTR;
+
        port->ops->set_termios(port, &termios, NULL);
        co->cflag = termios.c_cflag;