Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 3d940b7d authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
Browse files

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: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 68b44eae

drivers/usb/serial/symbolserial.c

+59 −0
Original line number Diff line number Diff line
@@ -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)