usb: gadget: net2280: Replace PCI pool old API

The PCI pool API is deprecated. This commit replaces the PCI pool old
API by the appropriate function with the DMA pool API.
Signed-off-by: Romain Perier <romain.perier@collabora.com>
Acked-by: Peter Senna Tschudin <peter.senna@collabora.com>
Tested-by: Peter Senna Tschudin <peter.senna@collabora.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/gadget/udc/net2280.c

@@ -569,7 +569,7 @@ static struct usb_request
 	if (ep->dma) {
 		struct net2280_dma	*td;
 
-		td = pci_pool_alloc(ep->dev->requests, gfp_flags,
+		td = dma_pool_alloc(ep->dev->requests, gfp_flags,
 				&req->td_dma);
 		if (!td) {
 			kfree(req);
@@ -597,7 +597,7 @@ static void net2280_free_request(struct usb_ep *_ep, struct usb_request *_req)
 	req = container_of(_req, struct net2280_request, req);
 	WARN_ON(!list_empty(&req->queue));
 	if (req->td)
-		pci_pool_free(ep->dev->requests, req->td, req->td_dma);
+		dma_pool_free(ep->dev->requests, req->td, req->td_dma);
 	kfree(req);
 }
 
@@ -3579,10 +3579,10 @@ static void net2280_remove(struct pci_dev *pdev)
 		for (i = 1; i < 5; i++) {
 			if (!dev->ep[i].dummy)
 				continue;
-			pci_pool_free(dev->requests, dev->ep[i].dummy,
+			dma_pool_free(dev->requests, dev->ep[i].dummy,
 					dev->ep[i].td_dma);
 		}
-		pci_pool_destroy(dev->requests);
+		dma_pool_destroy(dev->requests);
 	}
 	if (dev->got_irq)
 		free_irq(pdev->irq, dev);
@@ -3724,7 +3724,7 @@ static int net2280_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 
 	/* DMA setup */
 	/* NOTE:  we know only the 32 LSBs of dma addresses may be nonzero */
-	dev->requests = pci_pool_create("requests", pdev,
+	dev->requests = dma_pool_create("requests", &pdev->dev,
 		sizeof(struct net2280_dma),
 		0 /* no alignment requirements */,
 		0 /* or page-crossing issues */);
@@ -3736,7 +3736,7 @@ static int net2280_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	for (i = 1; i < 5; i++) {
 		struct net2280_dma	*td;
 
-		td = pci_pool_alloc(dev->requests, GFP_KERNEL,
+		td = dma_pool_alloc(dev->requests, GFP_KERNEL,
 				&dev->ep[i].td_dma);
 		if (!td) {
 			ep_dbg(dev, "can't get dummy %d\n", i);

drivers/usb/gadget/udc/net2280.h

@@ -187,7 +187,7 @@ struct net2280 {
 	struct usb338x_ll_chi_regs	__iomem *ll_chicken_reg;
 	struct usb338x_pl_regs		__iomem *plregs;
 
-	struct pci_pool			*requests;
+	struct dma_pool			*requests;
 	/* statistics...*/
 };