Commit 8de94fff authored by Felipe Balbi's avatar Felipe Balbi
Browse files

usb: gadget: fusb300_udc: convert to udc_start/udc_stop 



Mechanical change making use of the new (can we
still call it new ?) interface for registering
UDC drivers.

Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 45005f69

drivers/usb/gadget/fusb300_udc.c

+18 −47
Original line number Diff line number Diff line
@@ -1308,65 +1308,28 @@ static void init_controller(struct fusb300 *fusb300) 
	iowrite32(0xcfffff9f, fusb300->reg + FUSB300_OFFSET_IGER1);

}

/*------------------------------------------------------------------------*/

static struct fusb300 *the_controller;



static int fusb300_udc_start(struct usb_gadget_driver *driver,

		int (*bind)(struct usb_gadget *, struct usb_gadget_driver *))

static int fusb300_udc_start(struct usb_gadget *g,

		struct usb_gadget_driver *driver)

{

	struct fusb300 *fusb300 = the_controller;

	int retval;



	if (!driver

			|| driver->max_speed < USB_SPEED_FULL

			|| !bind

			|| !driver->setup)

		return -EINVAL;



	if (!fusb300)

		return -ENODEV;



	if (fusb300->driver)

		return -EBUSY;

	struct fusb300 *fusb300 = to_fusb300(g);



	/* hook up the driver */

	driver->driver.bus = NULL;

	fusb300->driver = driver;

	fusb300->gadget.dev.driver = &driver->driver;



	retval = device_add(&fusb300->gadget.dev);

	if (retval) {

		pr_err("device_add error (%d)\n", retval);

		goto error;

	}



	retval = bind(&fusb300->gadget, driver);

	if (retval) {

		pr_err("bind to driver error (%d)\n", retval);

		device_del(&fusb300->gadget.dev);

		goto error;

	}



	return 0;



error:

	fusb300->driver = NULL;

	fusb300->gadget.dev.driver = NULL;



	return retval;

}



static int fusb300_udc_stop(struct usb_gadget_driver *driver)

static int fusb300_udc_stop(struct usb_gadget *g,

		struct usb_gadget_driver *driver)

{

	struct fusb300 *fusb300 = the_controller;



	if (driver != fusb300->driver || !driver->unbind)

		return -EINVAL;

	struct fusb300 *fusb300 = to_fusb300(g);



	driver->unbind(&fusb300->gadget);

	fusb300->gadget.dev.driver = NULL;



	init_controller(fusb300);

	device_del(&fusb300->gadget.dev);

	fusb300->driver = NULL;



	return 0;
@@ -1380,8 +1343,8 @@ static int fusb300_udc_pullup(struct usb_gadget *_gadget, int is_active) 


static struct usb_gadget_ops fusb300_gadget_ops = {

	.pullup		= fusb300_udc_pullup,

	.start		= fusb300_udc_start,

	.stop		= fusb300_udc_stop,

	.udc_start	= fusb300_udc_start,

	.udc_stop	= fusb300_udc_stop,

};



static int __exit fusb300_remove(struct platform_device *pdev)
@@ -1505,8 +1468,6 @@ static int __init fusb300_probe(struct platform_device *pdev) 
	fusb300->gadget.ep0 = &fusb300->ep[0]->ep;

	INIT_LIST_HEAD(&fusb300->gadget.ep0->ep_list);



	the_controller = fusb300;



	fusb300->ep0_req = fusb300_alloc_request(&fusb300->ep[0]->ep,

				GFP_KERNEL);

	if (fusb300->ep0_req == NULL)
@@ -1517,9 +1478,19 @@ static int __init fusb300_probe(struct platform_device *pdev) 
	if (ret)

		goto err_add_udc;



	ret = device_add(&fusb300->gadget.dev);

	if (ret) {

		pr_err("device_add error (%d)\n", ret);

		goto err_add_device;

	}



	dev_info(&pdev->dev, "version %s\n", DRIVER_VERSION);



	return 0;



err_add_device:

	usb_del_gadget_udc(&fusb300->gadget);



err_add_udc:

	fusb300_free_request(&fusb300->ep[0]->ep, fusb300->ep0_req);

drivers/usb/gadget/fusb300_udc.h

+2 −0
Original line number Diff line number Diff line
@@ -673,4 +673,6 @@ struct fusb300 { 
	u8			reenum;		/* if re-enumeration */

};



#define to_fusb300(g)		(container_of((g), struct fusb300, gadget))



#endif