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Commit da2befa6 authored by Johan Hovold's avatar Johan Hovold
Browse files

USB: serial: visor: clean up clie_5 endpoint hack 



Use the new endpoint-remap functionality to configure the ports for
clie_5 devices.

Note that the same bulk-out endpoint is being used for both ports.

Signed-off-by: default avatarJohan Hovold <johan@kernel.org>
parent a5b669f4

drivers/usb/serial/visor.c

+23 −34
Original line number Diff line number Diff line
@@ -42,10 +42,11 @@ static int visor_probe(struct usb_serial *serial, 
					const struct usb_device_id *id);

static int  visor_calc_num_ports(struct usb_serial *serial,

					struct usb_serial_endpoints *epds);

static int  clie_5_calc_num_ports(struct usb_serial *serial,

					struct usb_serial_endpoints *epds);

static void visor_read_int_callback(struct urb *urb);

static int  clie_3_5_startup(struct usb_serial *serial);

static int  treo_attach(struct usb_serial *serial);

static int clie_5_attach(struct usb_serial *serial);

static int palm_os_3_probe(struct usb_serial *serial,

					const struct usb_device_id *id);

static int palm_os_4_probe(struct usb_serial *serial,
@@ -190,13 +191,14 @@ static struct usb_serial_driver clie_5_device = { 
	.description =		"Sony Clie 5.0",

	.id_table =		clie_id_5_table,

	.num_ports =		2,

	.num_bulk_out =		2,

	.bulk_out_size =	256,

	.open =			visor_open,

	.close =		visor_close,

	.throttle =		usb_serial_generic_throttle,

	.unthrottle =		usb_serial_generic_unthrottle,

	.attach =		clie_5_attach,

	.probe =		visor_probe,

	.calc_num_ports =	clie_5_calc_num_ports,

	.read_int_callback =	visor_read_int_callback,

};
@@ -477,6 +479,25 @@ static int visor_calc_num_ports(struct usb_serial *serial, 
	return num_ports;

}



static int clie_5_calc_num_ports(struct usb_serial *serial,

					struct usb_serial_endpoints *epds)

{

	/*

	 * TH55 registers 2 ports.

	 * Communication in from the UX50/TH55 uses the first bulk-in

	 * endpoint, while communication out to the UX50/TH55 uses the second

	 * bulk-out endpoint.

	 */



	/*

	 * FIXME: Should we swap the descriptors instead of using the same

	 *        bulk-out endpoint for both ports?

	 */

	epds->bulk_out[0] = epds->bulk_out[1];



	return serial->type->num_ports;

}



static int clie_3_5_startup(struct usb_serial *serial)

{

	struct device *dev = &serial->dev->dev;
@@ -588,38 +609,6 @@ static int treo_attach(struct usb_serial *serial) 
	return 0;

}



static int clie_5_attach(struct usb_serial *serial)

{

	struct usb_serial_port *port;

	unsigned int pipe;

	int j;



	/* TH55 registers 2 ports.

	   Communication in from the UX50/TH55 uses bulk_in_endpointAddress

	   from port 0. Communication out to the UX50/TH55 uses

	   bulk_out_endpointAddress from port 1



	   Lets do a quick and dirty mapping

	 */



	/* some sanity check */

	if (serial->num_bulk_out < 2) {

		dev_err(&serial->interface->dev, "missing bulk out endpoints\n");

		return -ENODEV;

	}



	/* port 0 now uses the modified endpoint Address */

	port = serial->port[0];

	port->bulk_out_endpointAddress =

				serial->port[1]->bulk_out_endpointAddress;



	pipe = usb_sndbulkpipe(serial->dev, port->bulk_out_endpointAddress);

	for (j = 0; j < ARRAY_SIZE(port->write_urbs); ++j)

		port->write_urbs[j]->pipe = pipe;



	return 0;

}



module_usb_serial_driver(serial_drivers, id_table_combined);



MODULE_AUTHOR(DRIVER_AUTHOR);