* @write_wait: a wait_queue_head_t used by the port.
* @work: work queue entry for the line discipline waking up.
* @open_count: number of times this port has been opened.
+ * @throttled: nonzero if the read urb is inactive to throttle the device
+ * @throttle_req: nonzero if the tty wants to throttle us
*
* This structure is used by the usb-serial core and drivers for the specific
* ports of a device.
wait_queue_head_t write_wait;
struct work_struct work;
int open_count;
+ char throttled;
+ char throttle_req;
struct device dev;
};
#define to_usb_serial_port(d) container_of(d, struct usb_serial_port, dev)
};
#define to_usb_serial(d) container_of(d, struct usb_serial, kref)
-#define NUM_DONT_CARE (-1)
+#define NUM_DONT_CARE 99
/* get and set the serial private data pointer helper functions */
static inline void *usb_get_serial_data (struct usb_serial *serial)
* in the syslog messages when a device is inserted or removed.
* @id_table: pointer to a list of usb_device_id structures that define all
* of the devices this structure can support.
- * @num_interrupt_in: the number of interrupt in endpoints this device will
- * have.
- * @num_interrupt_out: the number of interrupt out endpoints this device will
- * have.
- * @num_bulk_in: the number of bulk in endpoints this device will have.
- * @num_bulk_out: the number of bulk out endpoints this device will have.
+ * @num_interrupt_in: If a device doesn't have this many interrupt-in
+ * endpoints, it won't be sent to the driver's attach() method.
+ * (But it might still be sent to the probe() method.)
+ * @num_interrupt_out: If a device doesn't have this many interrupt-out
+ * endpoints, it won't be sent to the driver's attach() method.
+ * (But it might still be sent to the probe() method.)
+ * @num_bulk_in: If a device doesn't have this many bulk-in
+ * endpoints, it won't be sent to the driver's attach() method.
+ * (But it might still be sent to the probe() method.)
+ * @num_bulk_out: If a device doesn't have this many bulk-out
+ * endpoints, it won't be sent to the driver's attach() method.
+ * (But it might still be sent to the probe() method.)
* @num_ports: the number of different ports this device will have.
* @calc_num_ports: pointer to a function to determine how many ports this
* device has dynamically. It will be called after the probe()
int (*port_probe) (struct usb_serial_port *port);
int (*port_remove) (struct usb_serial_port *port);
+ int (*suspend) (struct usb_serial *serial, pm_message_t message);
+ int (*resume) (struct usb_serial *serial);
+
/* serial function calls */
int (*open) (struct usb_serial_port *port, struct file * filp);
void (*close) (struct usb_serial_port *port, struct file * filp);
extern int usb_serial_probe(struct usb_interface *iface, const struct usb_device_id *id);
extern void usb_serial_disconnect(struct usb_interface *iface);
+extern int usb_serial_suspend(struct usb_interface *intf, pm_message_t message);
+extern int usb_serial_resume(struct usb_interface *intf);
+
extern int ezusb_writememory (struct usb_serial *serial, int address, unsigned char *data, int length, __u8 bRequest);
extern int ezusb_set_reset (struct usb_serial *serial, unsigned char reset_bit);
extern int usb_serial_generic_open (struct usb_serial_port *port, struct file *filp);
extern int usb_serial_generic_write (struct usb_serial_port *port, const unsigned char *buf, int count);
extern void usb_serial_generic_close (struct usb_serial_port *port, struct file *filp);
+extern int usb_serial_generic_resume (struct usb_serial *serial);
extern int usb_serial_generic_write_room (struct usb_serial_port *port);
extern int usb_serial_generic_chars_in_buffer (struct usb_serial_port *port);
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 usb_serial_port *port);
+extern void usb_serial_generic_unthrottle (struct usb_serial_port *port);
extern void usb_serial_generic_shutdown (struct usb_serial *serial);
extern int usb_serial_generic_register (int debug);
extern void usb_serial_generic_deregister (void);