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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2007-10-12 21:27:47 -0400 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2007-10-12 21:27:47 -0400 |
| commit | b981d8b3f5e008ff10d993be633ad00564fc22cd (patch) | |
| tree | e292dc07b22308912cf6a58354a608b9e5e8e1fd /drivers/usb/serial/bus.c | |
| parent | b11d2127c4893a7315d1e16273bc8560049fa3ca (diff) | |
| parent | 2b9e0aae1d50e880c58d46788e5e3ebd89d75d62 (diff) | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
drivers/macintosh/adbhid.c
Diffstat (limited to 'drivers/usb/serial/bus.c')
| -rw-r--r-- | drivers/usb/serial/bus.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/usb/serial/bus.c b/drivers/usb/serial/bus.c index c08a38402b93..0b14aea8ebd5 100644 --- a/drivers/usb/serial/bus.c +++ b/drivers/usb/serial/bus.c @@ -36,6 +36,16 @@ static int usb_serial_device_match (struct device *dev, struct device_driver *dr return 0; } +static ssize_t show_port_number(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->number - port->serial->minor); +} + +static DEVICE_ATTR(port_number, S_IRUGO, show_port_number, NULL); + static int usb_serial_device_probe (struct device *dev) { struct usb_serial_driver *driver; @@ -62,6 +72,10 @@ static int usb_serial_device_probe (struct device *dev) goto exit; } + retval = device_create_file(dev, &dev_attr_port_number); + if (retval) + goto exit; + minor = port->number; tty_register_device (usb_serial_tty_driver, minor, dev); dev_info(&port->serial->dev->dev, @@ -84,6 +98,8 @@ static int usb_serial_device_remove (struct device *dev) return -ENODEV; } + device_remove_file(&port->dev, &dev_attr_port_number); + driver = port->serial->type; if (driver->port_remove) { if (!try_module_get(driver->driver.owner)) { @@ -138,7 +154,7 @@ static void free_dynids(struct usb_serial_driver *drv) static struct driver_attribute drv_attrs[] = { __ATTR_NULL, }; -static inline void free_dynids(struct usb_driver *drv) +static inline void free_dynids(struct usb_serial_driver *drv) { } #endif |