Messages in this thread Patch in this message | | | From | Kevin Hao <> | Subject | [PATCH v2] add device function for usb serial console | Date | Fri, 14 Nov 2008 09:30:02 +0800 |
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Add device funtion for usb serial console, so we can open /dev/console when we use a usb serial device as console.
Signed-off-by: Kevin Hao <kexin.hao@windriver.com> --- 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 5b95009..19e2404 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) -- 1.6.0.3.640.g6331a
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