mirror of https://gitee.com/openkylin/linux.git
USB: cleanup sierra wireless driver a bit
This saves over 30 lines and fixes a warning from sparse and allows debugging to work dynamically like all other usb-serial drivers. Cc: Kevin Lloyd <linux@sierrawireless.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman
Greg Kroah-Hartman
parent
033a3fb980
commit
964ee1deb3
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@ -29,30 +29,6 @@
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#include <linux/usb.h>
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#include <linux/usb/serial.h>
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/* Function prototypes */
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static int sierra_open(struct usb_serial_port *port, struct file *filp);
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static void sierra_close(struct usb_serial_port *port, struct file *filp);
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static int sierra_startup(struct usb_serial *serial);
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static void sierra_shutdown(struct usb_serial *serial);
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static void sierra_rx_throttle(struct usb_serial_port *port);
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static void sierra_rx_unthrottle(struct usb_serial_port *port);
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static int sierra_write_room(struct usb_serial_port *port);
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static void sierra_instat_callback(struct urb *urb);
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static int sierra_write(struct usb_serial_port *port,
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const unsigned char *buf, int count);
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static int sierra_chars_in_buffer(struct usb_serial_port *port);
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static int sierra_ioctl(struct usb_serial_port *port, struct file *file,
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unsigned int cmd, unsigned long arg);
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static void sierra_set_termios(struct usb_serial_port *port,
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struct termios *old);
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static void sierra_break_ctl(struct usb_serial_port *port, int break_state);
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static int sierra_tiocmget(struct usb_serial_port *port, struct file *file);
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static int sierra_tiocmset(struct usb_serial_port *port, struct file *file,
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unsigned int set, unsigned int clear);
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static int sierra_send_setup(struct usb_serial_port *port);
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static struct usb_device_id id_table [] = {
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{ USB_DEVICE(0x1199, 0x0018) }, /* Sierra Wireless MC5720 */
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@ -68,6 +44,7 @@ static struct usb_device_id id_table [] = {
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{ USB_DEVICE(0x0F3D, 0x0112) }, /* AirPrime/Sierra PC 5220 */
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{ }
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};
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MODULE_DEVICE_TABLE(usb, id_table);
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static struct usb_device_id id_table_1port [] = {
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{ USB_DEVICE(0x1199, 0x0112) }, /* Sierra Wireless AirCard 580 */
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@ -87,88 +64,22 @@ static struct usb_device_id id_table_3port [] = {
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{ }
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};
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MODULE_DEVICE_TABLE(usb, id_table);
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static struct usb_driver sierra_driver = {
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.name = "sierra",
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.probe = usb_serial_probe,
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.disconnect = usb_serial_disconnect,
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.id_table = id_table,
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.no_dynamic_id = 3,
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.no_dynamic_id = 1,
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};
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//static struct usb_serial_driver *sierra_device;
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static struct usb_serial_driver sierra_1port_device = {
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.driver = {
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.owner = THIS_MODULE,
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.name = "sierra1",
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},
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.description = "Sierra USB modem (1 port)",
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.id_table = id_table_1port,
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.num_interrupt_in = NUM_DONT_CARE,
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.num_bulk_in = 1,
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.num_bulk_out = 1,
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.num_ports = 1,
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.open = sierra_open,
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.close = sierra_close,
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.write = sierra_write,
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.write_room = sierra_write_room,
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.chars_in_buffer = sierra_chars_in_buffer,
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.throttle = sierra_rx_throttle,
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.unthrottle = sierra_rx_unthrottle,
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.ioctl = sierra_ioctl,
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.set_termios = sierra_set_termios,
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.break_ctl = sierra_break_ctl,
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.tiocmget = sierra_tiocmget,
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.tiocmset = sierra_tiocmset,
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.attach = sierra_startup,
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.shutdown = sierra_shutdown,
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.read_int_callback = sierra_instat_callback,
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};
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static struct usb_serial_driver sierra_3port_device = {
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.driver = {
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.owner = THIS_MODULE,
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.name = "sierra3",
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},
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.description = "Sierra USB modem (3 port)",
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.id_table = id_table_3port,
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.num_interrupt_in = NUM_DONT_CARE,
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.num_bulk_in = 3,
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.num_bulk_out = 3,
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.num_ports = 3,
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.open = sierra_open,
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.close = sierra_close,
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.write = sierra_write,
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.write_room = sierra_write_room,
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.chars_in_buffer = sierra_chars_in_buffer,
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.throttle = sierra_rx_throttle,
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.unthrottle = sierra_rx_unthrottle,
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.ioctl = sierra_ioctl,
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.set_termios = sierra_set_termios,
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.break_ctl = sierra_break_ctl,
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.tiocmget = sierra_tiocmget,
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.tiocmset = sierra_tiocmset,
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.attach = sierra_startup,
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.shutdown = sierra_shutdown,
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.read_int_callback = sierra_instat_callback,
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};
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#ifdef CONFIG_USB_DEBUG
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static int debug;
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#else
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#define debug 0
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#endif
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/* per port private data */
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#define N_IN_URB 4
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#define N_OUT_URB 1
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#define IN_BUFLEN 4096
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#define OUT_BUFLEN 128
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#define N_IN_URB 4
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#define N_OUT_URB 1
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#define IN_BUFLEN 4096
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#define OUT_BUFLEN 128
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struct sierra_port_private {
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/* Input endpoints and buffer for this port */
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@ -189,44 +100,30 @@ struct sierra_port_private {
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unsigned long tx_start_time[N_OUT_URB];
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};
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/* Functions used by new usb-serial code. */
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static int __init sierra_init(void)
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static int sierra_send_setup(struct usb_serial_port *port)
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{
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int retval;
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retval = usb_serial_register(&sierra_1port_device);
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if (retval)
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goto failed_1port_device_register;
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retval = usb_serial_register(&sierra_3port_device);
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if (retval)
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goto failed_3port_device_register;
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struct usb_serial *serial = port->serial;
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struct sierra_port_private *portdata;
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dbg("%s", __FUNCTION__);
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retval = usb_register(&sierra_driver);
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if (retval)
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goto failed_driver_register;
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portdata = usb_get_serial_port_data(port);
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info(DRIVER_DESC ": " DRIVER_VERSION);
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if (port->tty) {
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int val = 0;
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if (portdata->dtr_state)
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val |= 0x01;
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if (portdata->rts_state)
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val |= 0x02;
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return usb_control_msg(serial->dev,
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usb_rcvctrlpipe(serial->dev, 0),
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0x22,0x21,val,0,NULL,0,USB_CTRL_SET_TIMEOUT);
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}
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return 0;
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failed_driver_register:
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usb_serial_deregister(&sierra_3port_device);
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failed_3port_device_register:
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usb_serial_deregister(&sierra_1port_device);
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failed_1port_device_register:
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return retval;
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}
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static void __exit sierra_exit(void)
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{
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usb_deregister (&sierra_driver);
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usb_serial_deregister(&sierra_1port_device);
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usb_serial_deregister(&sierra_3port_device);
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}
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module_init(sierra_init);
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module_exit(sierra_exit);
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static void sierra_rx_throttle(struct usb_serial_port *port)
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{
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dbg("%s", __FUNCTION__);
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@ -578,8 +475,8 @@ static void sierra_close(struct usb_serial_port *port, struct file *filp)
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/* Helper functions used by sierra_setup_urbs */
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static struct urb *sierra_setup_urb(struct usb_serial *serial, int endpoint,
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int dir, void *ctx, char *buf, int len,
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void (*callback)(struct urb *))
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int dir, void *ctx, char *buf, int len,
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usb_complete_t callback)
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{
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struct urb *urb;
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@ -629,30 +526,6 @@ static void sierra_setup_urbs(struct usb_serial *serial)
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}
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}
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static int sierra_send_setup(struct usb_serial_port *port)
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{
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struct usb_serial *serial = port->serial;
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struct sierra_port_private *portdata;
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dbg("%s", __FUNCTION__);
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portdata = usb_get_serial_port_data(port);
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if (port->tty) {
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int val = 0;
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if (portdata->dtr_state)
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val |= 0x01;
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if (portdata->rts_state)
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val |= 0x02;
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return usb_control_msg(serial->dev,
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usb_rcvctrlpipe(serial->dev, 0),
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0x22,0x21,val,0,NULL,0,USB_CTRL_SET_TIMEOUT);
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}
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return 0;
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}
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static int sierra_startup(struct usb_serial *serial)
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{
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int i, err;
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@ -730,6 +603,100 @@ static void sierra_shutdown(struct usb_serial *serial)
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}
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}
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static struct usb_serial_driver sierra_1port_device = {
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.driver = {
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.owner = THIS_MODULE,
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.name = "sierra1",
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},
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.description = "Sierra USB modem (1 port)",
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.id_table = id_table_1port,
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.num_interrupt_in = NUM_DONT_CARE,
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.num_bulk_in = 1,
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.num_bulk_out = 1,
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.num_ports = 1,
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.open = sierra_open,
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.close = sierra_close,
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.write = sierra_write,
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.write_room = sierra_write_room,
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.chars_in_buffer = sierra_chars_in_buffer,
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.throttle = sierra_rx_throttle,
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.unthrottle = sierra_rx_unthrottle,
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.ioctl = sierra_ioctl,
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.set_termios = sierra_set_termios,
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.break_ctl = sierra_break_ctl,
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.tiocmget = sierra_tiocmget,
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.tiocmset = sierra_tiocmset,
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.attach = sierra_startup,
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.shutdown = sierra_shutdown,
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.read_int_callback = sierra_instat_callback,
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};
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static struct usb_serial_driver sierra_3port_device = {
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.driver = {
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.owner = THIS_MODULE,
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.name = "sierra3",
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},
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.description = "Sierra USB modem (3 port)",
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.id_table = id_table_3port,
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.num_interrupt_in = NUM_DONT_CARE,
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.num_bulk_in = 3,
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.num_bulk_out = 3,
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.num_ports = 3,
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.open = sierra_open,
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.close = sierra_close,
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.write = sierra_write,
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.write_room = sierra_write_room,
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.chars_in_buffer = sierra_chars_in_buffer,
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.throttle = sierra_rx_throttle,
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.unthrottle = sierra_rx_unthrottle,
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.ioctl = sierra_ioctl,
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.set_termios = sierra_set_termios,
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.break_ctl = sierra_break_ctl,
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.tiocmget = sierra_tiocmget,
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.tiocmset = sierra_tiocmset,
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.attach = sierra_startup,
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.shutdown = sierra_shutdown,
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.read_int_callback = sierra_instat_callback,
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};
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/* Functions used by new usb-serial code. */
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static int __init sierra_init(void)
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{
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int retval;
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retval = usb_serial_register(&sierra_1port_device);
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if (retval)
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goto failed_1port_device_register;
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retval = usb_serial_register(&sierra_3port_device);
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if (retval)
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goto failed_3port_device_register;
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retval = usb_register(&sierra_driver);
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if (retval)
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goto failed_driver_register;
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info(DRIVER_DESC ": " DRIVER_VERSION);
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return 0;
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failed_driver_register:
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usb_serial_deregister(&sierra_3port_device);
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failed_3port_device_register:
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usb_serial_deregister(&sierra_1port_device);
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failed_1port_device_register:
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return retval;
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}
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static void __exit sierra_exit(void)
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{
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usb_deregister (&sierra_driver);
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usb_serial_deregister(&sierra_1port_device);
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usb_serial_deregister(&sierra_3port_device);
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}
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module_init(sierra_init);
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module_exit(sierra_exit);
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MODULE_AUTHOR(DRIVER_AUTHOR);
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MODULE_DESCRIPTION(DRIVER_DESC);
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MODULE_VERSION(DRIVER_VERSION);
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