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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>
This commit is contained in:
Kevin Hao 2009-01-02 13:44:34 +00:00 committed by Linus Torvalds
parent 975a1a7d88
commit 39efd191d0
1 changed files with 13 additions and 0 deletions
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13
drivers/usb/serial/console.c
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@ -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)