diff options
| author | Kevin Hao | 2009-01-02 13:44:34 +0000 |
|---|---|---|
| committer | Linus Torvalds | 2009-01-02 10:19:38 -0800 |
| commit | 39efd191d01b5f1efc3d604baf74233dc525e6a8 (patch) | |
| tree | 9623a3daa6e136429319008f278e109f016a1ee3 | |
| parent | 975a1a7d887048d4afc9201383e11b7af991866b (diff) | |
Add device function for USB serial console
Add device funtion for usb serial console, so we can open /dev/console
when we use a usb serial device as console.
(Typecast removed as noted by Sergei Shtylyov)
Signed-off-by: Kevin Hao <kexin.hao@windriver.com>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | drivers/usb/serial/console.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c index 5b95009d2fbb..19e24045b137 100644 --- a/drivers/usb/serial/console.c +++ b/drivers/usb/serial/console.c @@ -241,12 +241,25 @@ static void usb_console_write(struct console *co, } } +static struct tty_driver *usb_console_device(struct console *co, int *index) +{ + struct tty_driver **p = (struct tty_driver **)co->data; + + if (!*p) + return NULL; + + *index = co->index; + return *p; +} + static struct console usbcons = { .name = "ttyUSB", .write = usb_console_write, + .device = usb_console_device, .setup = usb_console_setup, .flags = CON_PRINTBUFFER, .index = -1, + .data = &usb_serial_tty_driver, }; void usb_serial_console_disconnect(struct usb_serial *serial) |