From 3d940b7d27c5fec35de66449836ab9a01575447c Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Fri, 20 Mar 2009 20:26:30 -0700 Subject: [PATCH] USB: symbolserial: log the ioctl commands We need to figure out what userspace programs are expecting from this driver, so log them so we can try to get it right. Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/symbolserial.c | 59 +++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) diff --git a/drivers/usb/serial/symbolserial.c b/drivers/usb/serial/symbolserial.c index c5990fd88e2c..8b3cbc87adc7 100644 --- a/drivers/usb/serial/symbolserial.c +++ b/drivers/usb/serial/symbolserial.c @@ -205,6 +205,62 @@ static void symbol_unthrottle(struct tty_struct *tty) __func__, result); } +static int symbol_ioctl(struct tty_struct *tty, struct file *file, + unsigned int cmd, unsigned long arg) +{ + struct usb_serial_port *port = tty->driver_data; + struct device *dev = &port->dev; + + /* + * Right now we need to figure out what commands + * most userspace tools want to see for this driver, + * so just log the things. + */ + switch (cmd) { + case TIOCSERGETLSR: + dev_info(dev, "%s: TIOCSERGETLSR\n", __func__); + break; + + case TIOCGSERIAL: + dev_info(dev, "%s: TIOCGSERIAL\n", __func__); + break; + + case TIOCMIWAIT: + dev_info(dev, "%s: TIOCMIWAIT\n", __func__); + break; + + case TIOCGICOUNT: + dev_info(dev, "%s: TIOCGICOUNT\n", __func__); + break; + default: + dev_info(dev, "%s: unknown (%d)\n", __func__, cmd); + } + return -ENOIOCTLCMD; +} + +static int symbol_tiocmget(struct tty_struct *tty, struct file *file) +{ + struct usb_serial_port *port = tty->driver_data; + struct device *dev = &port->dev; + + /* TODO */ + /* probably just need to shadow whatever was sent to us here */ + dev_info(dev, "%s\n", __func__); + return 0; +} + +static int symbol_tiocmset(struct tty_struct *tty, struct file *file, + unsigned int set, unsigned int clear) +{ + struct usb_serial_port *port = tty->driver_data; + struct device *dev = &port->dev; + + /* TODO */ + /* probably just need to shadow whatever was sent to us here */ + dev_info(dev, "%s\n", __func__); + return 0; +} + static int symbol_startup(struct usb_serial *serial) { struct symbol_private *priv; @@ -311,6 +367,9 @@ static struct usb_serial_driver symbol_device = { .shutdown = symbol_shutdown, .throttle = symbol_throttle, .unthrottle = symbol_unthrottle, + .ioctl = symbol_ioctl, + .tiocmget = symbol_tiocmget, + .tiocmset = symbol_tiocmset, }; static int __init symbol_init(void) -- 2.30.2