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path: root/drivers/usb/serial/bus.c
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Diffstat (limited to 'drivers/usb/serial/bus.c')
-rw-r--r--drivers/usb/serial/bus.c19
1 files changed, 0 insertions, 19 deletions
diff --git a/drivers/usb/serial/bus.c b/drivers/usb/serial/bus.c
index 6f91eb9ae81a..b53a28692226 100644
--- a/drivers/usb/serial/bus.c
+++ b/drivers/usb/serial/bus.c
@@ -38,15 +38,6 @@ static int usb_serial_device_match(struct device *dev,
return 0;
}
-static ssize_t port_number_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- struct usb_serial_port *port = to_usb_serial_port(dev);
-
- return sprintf(buf, "%d\n", port->port_number);
-}
-static DEVICE_ATTR_RO(port_number);
-
static int usb_serial_device_probe(struct device *dev)
{
struct usb_serial_driver *driver;
@@ -73,18 +64,10 @@ static int usb_serial_device_probe(struct device *dev)
goto exit_with_autopm;
}
- retval = device_create_file(dev, &dev_attr_port_number);
- if (retval) {
- if (driver->port_remove)
- driver->port_remove(port);
- goto exit_with_autopm;
- }
-
minor = port->minor;
tty_dev = tty_register_device(usb_serial_tty_driver, minor, dev);
if (IS_ERR(tty_dev)) {
retval = PTR_ERR(tty_dev);
- device_remove_file(dev, &dev_attr_port_number);
if (driver->port_remove)
driver->port_remove(port);
goto exit_with_autopm;
@@ -123,8 +106,6 @@ static int usb_serial_device_remove(struct device *dev)
minor = port->minor;
tty_unregister_device(usb_serial_tty_driver, minor);
- device_remove_file(&port->dev, &dev_attr_port_number);
-
driver = port->serial->type;
if (driver->port_remove)
retval = driver->port_remove(port);