diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/class/cdc-acm.c | 8 | ||||
| -rw-r--r-- | drivers/usb/core/driver.c | 66 | ||||
| -rw-r--r-- | drivers/usb/dwc3/dwc3-pci.c | 12 | ||||
| -rw-r--r-- | drivers/usb/gadget/u_serial.c | 4 | ||||
| -rw-r--r-- | drivers/usb/serial/usb-serial.c | 17 |
5 files changed, 29 insertions, 78 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 6dcc3a3fe6d..b32ccb46101 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -509,17 +509,12 @@ static int acm_tty_install(struct tty_driver *driver, struct tty_struct *tty) if (!acm) return -ENODEV; - retval = tty_init_termios(tty); + retval = tty_standard_install(driver, tty); if (retval) goto error_init_termios; tty->driver_data = acm; - /* Final install (we use the default method) */ - tty_driver_kref_get(driver); - tty->count++; - driver->ttys[tty->index] = tty; - return 0; error_init_termios: @@ -1703,7 +1698,6 @@ static int __init acm_init(void) acm_tty_driver = alloc_tty_driver(ACM_TTY_MINORS); if (!acm_tty_driver) return -ENOMEM; - acm_tty_driver->owner = THIS_MODULE, acm_tty_driver->driver_name = "acm", acm_tty_driver->name = "ttyACM", acm_tty_driver->major = ACM_TTY_MAJOR, diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index d77daf3683d..f8e2d6d52e5 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -71,10 +71,7 @@ ssize_t usb_store_new_id(struct usb_dynids *dynids, list_add_tail(&dynid->node, &dynids->list); spin_unlock(&dynids->lock); - if (get_driver(driver)) { - retval = driver_attach(driver); - put_driver(driver); - } + retval = driver_attach(driver); if (retval) return retval; @@ -132,43 +129,39 @@ store_remove_id(struct device_driver *driver, const char *buf, size_t count) } static DRIVER_ATTR(remove_id, S_IWUSR, NULL, store_remove_id); -static int usb_create_newid_file(struct usb_driver *usb_drv) +static int usb_create_newid_files(struct usb_driver *usb_drv) { int error = 0; if (usb_drv->no_dynamic_id) goto exit; - if (usb_drv->probe != NULL) + if (usb_drv->probe != NULL) { error = driver_create_file(&usb_drv->drvwrap.driver, &driver_attr_new_id); + if (error == 0) { + error = driver_create_file(&usb_drv->drvwrap.driver, + &driver_attr_remove_id); + if (error) + driver_remove_file(&usb_drv->drvwrap.driver, + &driver_attr_new_id); + } + } exit: return error; } -static void usb_remove_newid_file(struct usb_driver *usb_drv) +static void usb_remove_newid_files(struct usb_driver *usb_drv) { if (usb_drv->no_dynamic_id) return; - if (usb_drv->probe != NULL) + if (usb_drv->probe != NULL) { driver_remove_file(&usb_drv->drvwrap.driver, - &driver_attr_new_id); -} - -static int -usb_create_removeid_file(struct usb_driver *drv) -{ - int error = 0; - if (drv->probe != NULL) - error = driver_create_file(&drv->drvwrap.driver, &driver_attr_remove_id); - return error; -} - -static void usb_remove_removeid_file(struct usb_driver *drv) -{ - driver_remove_file(&drv->drvwrap.driver, &driver_attr_remove_id); + driver_remove_file(&usb_drv->drvwrap.driver, + &driver_attr_new_id); + } } static void usb_free_dynids(struct usb_driver *usb_drv) @@ -183,22 +176,12 @@ static void usb_free_dynids(struct usb_driver *usb_drv) spin_unlock(&usb_drv->dynids.lock); } #else -static inline int usb_create_newid_file(struct usb_driver *usb_drv) +static inline int usb_create_newid_files(struct usb_driver *usb_drv) { return 0; } -static void usb_remove_newid_file(struct usb_driver *usb_drv) -{ -} - -static int -usb_create_removeid_file(struct usb_driver *drv) -{ - return 0; -} - -static void usb_remove_removeid_file(struct usb_driver *drv) +static void usb_remove_newid_files(struct usb_driver *usb_drv) { } @@ -875,22 +858,16 @@ int usb_register_driver(struct usb_driver *new_driver, struct module *owner, usbfs_update_special(); - retval = usb_create_newid_file(new_driver); + retval = usb_create_newid_files(new_driver); if (retval) goto out_newid; - retval = usb_create_removeid_file(new_driver); - if (retval) - goto out_removeid; - pr_info("%s: registered new interface driver %s\n", usbcore_name, new_driver->name); out: return retval; -out_removeid: - usb_remove_newid_file(new_driver); out_newid: driver_unregister(&new_driver->drvwrap.driver); @@ -917,10 +894,9 @@ void usb_deregister(struct usb_driver *driver) pr_info("%s: deregistering interface driver %s\n", usbcore_name, driver->name); - usb_remove_removeid_file(driver); - usb_remove_newid_file(driver); - usb_free_dynids(driver); + usb_remove_newid_files(driver); driver_unregister(&driver->drvwrap.driver); + usb_free_dynids(driver); usbfs_update_special(); } diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index 20d0c8adfe4..a9ca9adba39 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -170,14 +170,4 @@ MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>"); MODULE_LICENSE("Dual BSD/GPL"); MODULE_DESCRIPTION("DesignWare USB3 PCI Glue Layer"); -static int __devinit dwc3_pci_init(void) -{ - return pci_register_driver(&dwc3_pci_driver); -} -module_init(dwc3_pci_init); - -static void __exit dwc3_pci_exit(void) -{ - pci_unregister_driver(&dwc3_pci_driver); -} -module_exit(dwc3_pci_exit); +module_pci_driver(dwc3_pci_driver); diff --git a/drivers/usb/gadget/u_serial.c b/drivers/usb/gadget/u_serial.c index 6597a6813e4..6c23938d271 100644 --- a/drivers/usb/gadget/u_serial.c +++ b/drivers/usb/gadget/u_serial.c @@ -725,9 +725,6 @@ static int gs_open(struct tty_struct *tty, struct file *file) struct gs_port *port; int status; - if (port_num < 0 || port_num >= n_ports) - return -ENXIO; - do { mutex_lock(&ports[port_num].lock); port = ports[port_num].port; @@ -1087,7 +1084,6 @@ int __init gserial_setup(struct usb_gadget *g, unsigned count) if (!gs_tty_driver) return -ENOMEM; - gs_tty_driver->owner = THIS_MODULE; gs_tty_driver->driver_name = "g_serial"; gs_tty_driver->name = PREFIX; /* uses dynamically assigned dev_t values */ diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 63ba47dbcc7..69230f01056 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -214,15 +214,14 @@ static int serial_install(struct tty_driver *driver, struct tty_struct *tty) if (!try_module_get(serial->type->driver.owner)) goto error_module_get; - /* perform the standard setup */ - retval = tty_init_termios(tty); - if (retval) - goto error_init_termios; - retval = usb_autopm_get_interface(serial->interface); if (retval) goto error_get_interface; + retval = tty_standard_install(driver, tty); + if (retval) + goto error_init_termios; + mutex_unlock(&serial->disc_mutex); /* allow the driver to update the settings */ @@ -231,14 +230,11 @@ static int serial_install(struct tty_driver *driver, struct tty_struct *tty) tty->driver_data = port; - /* Final install (we use the default method) */ - tty_driver_kref_get(driver); - tty->count++; - driver->ttys[idx] = tty; return retval; - error_get_interface: error_init_termios: + usb_autopm_put_interface(serial->interface); + error_get_interface: module_put(serial->type->driver.owner); error_module_get: error_no_port: @@ -1239,7 +1235,6 @@ static int __init usb_serial_init(void) goto exit_bus; } - usb_serial_tty_driver->owner = THIS_MODULE; usb_serial_tty_driver->driver_name = "usbserial"; usb_serial_tty_driver->name = "ttyUSB"; usb_serial_tty_driver->major = SERIAL_TTY_MAJOR; |