From 8a83780a187ba1961380814eaf9c503043345d12 Mon Sep 17 00:00:00 2001 From: Ian Wisbon Date: Mon, 14 Feb 2011 16:41:03 -0500 Subject: Digi Release Code from del-5.6/main --- drivers/usb/serial/console.c | 28 +++++++++++++++++++--------- 1 file changed, 19 insertions(+), 9 deletions(-) (limited to 'drivers/usb/serial/console.c') diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c index 0e4f2e41ace5..3e49b2ed0266 100644 --- a/drivers/usb/serial/console.c +++ b/drivers/usb/serial/console.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include @@ -63,7 +64,7 @@ static int usb_console_setup(struct console *co, char *options) char *s; struct usb_serial *serial; struct usb_serial_port *port; - int retval = 0; + int retval; struct tty_struct *tty = NULL; struct ktermios *termios = NULL, dummy; @@ -116,13 +117,17 @@ static int usb_console_setup(struct console *co, char *options) return -ENODEV; } - port = serial->port[0]; + retval = usb_autopm_get_interface(serial->interface); + if (retval) + goto error_get_interface; + + port = serial->port[co->index - serial->minor]; tty_port_tty_set(&port->port, NULL); info->port = port; ++port->port.count; - if (port->port.count == 1) { + if (!test_bit(ASYNCB_INITIALIZED, &port->port.flags)) { if (serial->type->set_termios) { /* * allocate a fake tty so the driver can initialize @@ -168,6 +173,7 @@ static int usb_console_setup(struct console *co, char *options) kfree(termios); kfree(tty); } + set_bit(ASYNCB_INITIALIZED, &port->port.flags); } /* Now that any required fake tty operations are completed restore * the tty port count */ @@ -175,18 +181,22 @@ static int usb_console_setup(struct console *co, char *options) /* The console is special in terms of closing the device so * indicate this port is now acting as a system console. */ port->console = 1; - retval = 0; -out: + mutex_unlock(&serial->disc_mutex); return retval; -free_termios: + + free_termios: kfree(termios); tty_port_tty_set(&port->port, NULL); -free_tty: + free_tty: kfree(tty); -reset_open_count: + reset_open_count: port->port.count = 0; - goto out; + usb_autopm_put_interface(serial->interface); + error_get_interface: + usb_serial_put(serial); + mutex_unlock(&serial->disc_mutex); + return retval; } static void usb_console_write(struct console *co, -- cgit v1.2.3