diff options
Diffstat (limited to 'include/linux/usb/serial.h')
-rw-r--r-- | include/linux/usb/serial.h | 97 |
1 files changed, 50 insertions, 47 deletions
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h index 14cac4a1ae8f..8e67eff9039f 100644 --- a/include/linux/usb/serial.h +++ b/include/linux/usb/serial.h @@ -17,7 +17,6 @@ #include <linux/kref.h> #include <linux/mutex.h> #include <linux/serial.h> -#include <linux/sysrq.h> #include <linux/kfifo.h> /* The maximum number of ports one device can grab at once */ @@ -213,7 +212,7 @@ struct usb_serial_endpoints { * Return 0 to continue on with the initialization sequence. Anything * else will abort it. * @attach: pointer to the driver's attach function. - * This will be called when the struct usb_serial structure is fully set + * This will be called when the struct usb_serial structure is fully * set up. Do any local initialization of the device, or any private * memory structure allocation at this point in time. * @disconnect: pointer to the driver's disconnect function. This will be @@ -316,19 +315,19 @@ struct usb_serial_driver { #define to_usb_serial_driver(d) \ container_of(d, struct usb_serial_driver, driver) -extern int usb_serial_register_drivers(struct usb_serial_driver *const serial_drivers[], +int usb_serial_register_drivers(struct usb_serial_driver *const serial_drivers[], const char *name, const struct usb_device_id *id_table); -extern void usb_serial_deregister_drivers(struct usb_serial_driver *const serial_drivers[]); -extern void usb_serial_port_softint(struct usb_serial_port *port); +void usb_serial_deregister_drivers(struct usb_serial_driver *const serial_drivers[]); +void usb_serial_port_softint(struct usb_serial_port *port); -extern int usb_serial_suspend(struct usb_interface *intf, pm_message_t message); -extern int usb_serial_resume(struct usb_interface *intf); +int usb_serial_suspend(struct usb_interface *intf, pm_message_t message); +int usb_serial_resume(struct usb_interface *intf); /* USB Serial console functions */ #ifdef CONFIG_USB_SERIAL_CONSOLE -extern void usb_serial_console_init(int minor); -extern void usb_serial_console_exit(void); -extern void usb_serial_console_disconnect(struct usb_serial *serial); +void usb_serial_console_init(int minor); +void usb_serial_console_exit(void); +void usb_serial_console_disconnect(struct usb_serial *serial); #else static inline void usb_serial_console_init(int minor) { } static inline void usb_serial_console_exit(void) { } @@ -336,45 +335,49 @@ static inline void usb_serial_console_disconnect(struct usb_serial *serial) {} #endif /* Functions needed by other parts of the usbserial core */ -extern struct usb_serial_port *usb_serial_port_get_by_minor(unsigned int minor); -extern void usb_serial_put(struct usb_serial *serial); -extern int usb_serial_generic_open(struct tty_struct *tty, - struct usb_serial_port *port); -extern int usb_serial_generic_write_start(struct usb_serial_port *port, - gfp_t mem_flags); -extern int usb_serial_generic_write(struct tty_struct *tty, - struct usb_serial_port *port, const unsigned char *buf, int count); -extern void usb_serial_generic_close(struct usb_serial_port *port); -extern int usb_serial_generic_resume(struct usb_serial *serial); -extern int usb_serial_generic_write_room(struct tty_struct *tty); -extern int usb_serial_generic_chars_in_buffer(struct tty_struct *tty); -extern void usb_serial_generic_wait_until_sent(struct tty_struct *tty, - long timeout); -extern void usb_serial_generic_read_bulk_callback(struct urb *urb); -extern void usb_serial_generic_write_bulk_callback(struct urb *urb); -extern void usb_serial_generic_throttle(struct tty_struct *tty); -extern void usb_serial_generic_unthrottle(struct tty_struct *tty); -extern int usb_serial_generic_tiocmiwait(struct tty_struct *tty, - unsigned long arg); -extern int usb_serial_generic_get_icount(struct tty_struct *tty, - struct serial_icounter_struct *icount); -extern int usb_serial_generic_register(void); -extern void usb_serial_generic_deregister(void); -extern int usb_serial_generic_submit_read_urbs(struct usb_serial_port *port, - gfp_t mem_flags); -extern void usb_serial_generic_process_read_urb(struct urb *urb); -extern int usb_serial_generic_prepare_write_buffer(struct usb_serial_port *port, - void *dest, size_t size); -extern int usb_serial_handle_sysrq_char(struct usb_serial_port *port, - unsigned int ch); -extern int usb_serial_handle_break(struct usb_serial_port *port); -extern void usb_serial_handle_dcd_change(struct usb_serial_port *usb_port, - struct tty_struct *tty, - unsigned int status); +struct usb_serial_port *usb_serial_port_get_by_minor(unsigned int minor); +void usb_serial_put(struct usb_serial *serial); +int usb_serial_generic_open(struct tty_struct *tty, struct usb_serial_port *port); +int usb_serial_generic_write_start(struct usb_serial_port *port, gfp_t mem_flags); +int usb_serial_generic_write(struct tty_struct *tty, struct usb_serial_port *port, + const unsigned char *buf, int count); +void usb_serial_generic_close(struct usb_serial_port *port); +int usb_serial_generic_resume(struct usb_serial *serial); +int usb_serial_generic_write_room(struct tty_struct *tty); +int usb_serial_generic_chars_in_buffer(struct tty_struct *tty); +void usb_serial_generic_wait_until_sent(struct tty_struct *tty, long timeout); +void usb_serial_generic_read_bulk_callback(struct urb *urb); +void usb_serial_generic_write_bulk_callback(struct urb *urb); +void usb_serial_generic_throttle(struct tty_struct *tty); +void usb_serial_generic_unthrottle(struct tty_struct *tty); +int usb_serial_generic_tiocmiwait(struct tty_struct *tty, unsigned long arg); +int usb_serial_generic_get_icount(struct tty_struct *tty, struct serial_icounter_struct *icount); +int usb_serial_generic_register(void); +void usb_serial_generic_deregister(void); +int usb_serial_generic_submit_read_urbs(struct usb_serial_port *port, gfp_t mem_flags); +void usb_serial_generic_process_read_urb(struct urb *urb); +int usb_serial_generic_prepare_write_buffer(struct usb_serial_port *port, void *dest, size_t size); + +#if defined(CONFIG_USB_SERIAL_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) +int usb_serial_handle_sysrq_char(struct usb_serial_port *port, unsigned int ch); +int usb_serial_handle_break(struct usb_serial_port *port); +#else +static inline int usb_serial_handle_sysrq_char(struct usb_serial_port *port, unsigned int ch) +{ + return 0; +} +static inline int usb_serial_handle_break(struct usb_serial_port *port) +{ + return 0; +} +#endif + +void usb_serial_handle_dcd_change(struct usb_serial_port *usb_port, + struct tty_struct *tty, unsigned int status); -extern int usb_serial_bus_register(struct usb_serial_driver *device); -extern void usb_serial_bus_deregister(struct usb_serial_driver *device); +int usb_serial_bus_register(struct usb_serial_driver *device); +void usb_serial_bus_deregister(struct usb_serial_driver *device); extern struct bus_type usb_serial_bus_type; extern struct tty_driver *usb_serial_tty_driver; |