usb/cdns3/cdns3-gadget.c

1916 	struct cdns *cdns = dev_get_drvdata(priv_dev->dev);
1920 	if (cdns->in_lpm)
3245 static void cdns3_gadget_exit(struct cdns *cdns)
3249 	priv_dev = cdns->gadget_dev;
3252 	pm_runtime_mark_last_busy(cdns->dev);
3253 	pm_runtime_put_autosuspend(cdns->dev);
3256 	devm_free_irq(cdns->dev, cdns->dev_irq, priv_dev);
3279 	cdns->gadget_dev = NULL;
3280 	cdns_drd_gadget_off(cdns);
3283 static int cdns3_gadget_start(struct cdns *cdns)
3293 	usb_initialize_gadget(cdns->dev, &priv_dev->gadget,
3295 	cdns->gadget_dev = priv_dev;
3296 	priv_dev->sysdev = cdns->dev;
3297 	priv_dev->dev = cdns->dev;
3298 	priv_dev->regs = cdns->dev_regs;
3300 	device_property_read_u16(priv_dev->dev, "cdns,on-chip-buff-size",
3312 	max_speed = usb_get_maximum_speed(cdns->dev);
3321 		dev_err(cdns->dev, "invalid maximum_speed parameter %d\n",
3336 	priv_dev->gadget.irq = cdns->dev_irq;
3409 	cdns->gadget_dev = NULL;
3413 static int __cdns3_gadget_init(struct cdns *cdns)
3418 	ret = dma_set_mask_and_coherent(cdns->dev, DMA_BIT_MASK(32));
3420 		dev_err(cdns->dev, "Failed to set dma mask: %d\n", ret);
3424 	cdns_drd_gadget_on(cdns);
3425 	pm_runtime_get_sync(cdns->dev);
3427 	ret = cdns3_gadget_start(cdns);
3429 		pm_runtime_put_sync(cdns->dev);
3437 	ret = devm_request_threaded_irq(cdns->dev, cdns->dev_irq,
3440 					IRQF_SHARED, dev_name(cdns->dev),
3441 					cdns->gadget_dev);
3448 	cdns3_gadget_exit(cdns);
3452 static int cdns3_gadget_suspend(struct cdns *cdns, bool do_wakeup)
3453 __must_hold(&cdns->lock)
3455 	struct cdns3_device *priv_dev = cdns->gadget_dev;
3457 	spin_unlock(&cdns->lock);
3459 	spin_lock(&cdns->lock);
3471 static int cdns3_gadget_resume(struct cdns *cdns, bool hibernated)
3473 	struct cdns3_device *priv_dev = cdns->gadget_dev;
3488  * @cdns: cdns instance
3492 int cdns3_gadget_init(struct cdns *cdns)
3496 	rdrv = devm_kzalloc(cdns->dev, sizeof(*rdrv), GFP_KERNEL);
3506 	cdns->roles[USB_ROLE_DEVICE] = rdrv;