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authorGreg Kroah-Hartman <gregkh@suse.de>2009-03-20 20:26:30 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2009-03-24 16:20:32 -0700
commit3d940b7d27c5fec35de66449836ab9a01575447c (patch)
tree828d2c62f530a7ebd9d40588b970c24d8131d4ea /drivers/usb
parent68b44eaed5def7b6490c23c3e88c6f2ccec57beb (diff)
downloadlinux-3d940b7d27c5fec35de66449836ab9a01575447c.tar.bz2
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 <gregkh@suse.de>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/serial/symbolserial.c59
1 files changed, 59 insertions, 0 deletions
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)