summaryrefslogtreecommitdiff
path: root/drivers/usb/gadget/fsl_udc_core.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/gadget/fsl_udc_core.c')
-rw-r--r--drivers/usb/gadget/fsl_udc_core.c83
1 files changed, 17 insertions, 66 deletions
diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c
index 04d5fef1440c..7c2a101d19ac 100644
--- a/drivers/usb/gadget/fsl_udc_core.c
+++ b/drivers/usb/gadget/fsl_udc_core.c
@@ -185,20 +185,7 @@ static void done(struct fsl_ep *ep, struct fsl_req *req, int status)
dma_pool_free(udc->td_pool, curr_td, curr_td->td_dma);
}
- if (req->mapped) {
- dma_unmap_single(ep->udc->gadget.dev.parent,
- req->req.dma, req->req.length,
- ep_is_in(ep)
- ? DMA_TO_DEVICE
- : DMA_FROM_DEVICE);
- req->req.dma = DMA_ADDR_INVALID;
- req->mapped = 0;
- } else
- dma_sync_single_for_cpu(ep->udc->gadget.dev.parent,
- req->req.dma, req->req.length,
- ep_is_in(ep)
- ? DMA_TO_DEVICE
- : DMA_FROM_DEVICE);
+ usb_gadget_unmap_request(&ep->udc->gadget, &req->req, ep_is_in(ep));
if (status && (status != -ESHUTDOWN))
VDBG("complete %s req %p stat %d len %u/%u",
@@ -888,6 +875,7 @@ fsl_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
struct fsl_req *req = container_of(_req, struct fsl_req, req);
struct fsl_udc *udc;
unsigned long flags;
+ int ret;
/* catch various bogus parameters */
if (!_req || !req->req.complete || !req->req.buf
@@ -910,22 +898,9 @@ fsl_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
req->ep = ep;
- /* map virtual address to hardware */
- if (req->req.dma == DMA_ADDR_INVALID) {
- req->req.dma = dma_map_single(ep->udc->gadget.dev.parent,
- req->req.buf,
- req->req.length, ep_is_in(ep)
- ? DMA_TO_DEVICE
- : DMA_FROM_DEVICE);
- req->mapped = 1;
- } else {
- dma_sync_single_for_device(ep->udc->gadget.dev.parent,
- req->req.dma, req->req.length,
- ep_is_in(ep)
- ? DMA_TO_DEVICE
- : DMA_FROM_DEVICE);
- req->mapped = 0;
- }
+ ret = usb_gadget_map_request(&ep->udc->gadget, &req->req, ep_is_in(ep));
+ if (ret)
+ return ret;
req->req.status = -EINPROGRESS;
req->req.actual = 0;
@@ -1290,6 +1265,7 @@ static int ep0_prime_status(struct fsl_udc *udc, int direction)
{
struct fsl_req *req = udc->status_req;
struct fsl_ep *ep;
+ int ret;
if (direction == EP_DIR_IN)
udc->ep0_dir = USB_DIR_IN;
@@ -1307,10 +1283,9 @@ static int ep0_prime_status(struct fsl_udc *udc, int direction)
req->req.complete = NULL;
req->dtd_count = 0;
- req->req.dma = dma_map_single(ep->udc->gadget.dev.parent,
- req->req.buf, req->req.length,
- ep_is_in(ep) ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
- req->mapped = 1;
+ ret = usb_gadget_map_request(&ep->udc->gadget, &req->req, ep_is_in(ep));
+ if (ret)
+ return ret;
if (fsl_req_to_dtd(req, GFP_ATOMIC) == 0)
fsl_queue_td(ep, req);
@@ -1353,6 +1328,7 @@ static void ch9getstatus(struct fsl_udc *udc, u8 request_type, u16 value,
u16 tmp = 0; /* Status, cpu endian */
struct fsl_req *req;
struct fsl_ep *ep;
+ int ret;
ep = &udc->eps[0];
@@ -1390,10 +1366,9 @@ static void ch9getstatus(struct fsl_udc *udc, u8 request_type, u16 value,
req->req.complete = NULL;
req->dtd_count = 0;
- req->req.dma = dma_map_single(ep->udc->gadget.dev.parent,
- req->req.buf, req->req.length,
- ep_is_in(ep) ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
- req->mapped = 1;
+ ret = usb_gadget_map_request(&ep->udc->gadget, &req->req, ep_is_in(ep));
+ if (ret)
+ goto stall;
/* prime the data phase */
if ((fsl_req_to_dtd(req, GFP_ATOMIC) == 0))
@@ -1964,7 +1939,6 @@ static int fsl_udc_start(struct usb_gadget *g,
driver->driver.bus = NULL;
/* hook up the driver */
udc_controller->driver = driver;
- udc_controller->gadget.dev.driver = &driver->driver;
spin_unlock_irqrestore(&udc_controller->lock, flags);
if (!IS_ERR_OR_NULL(udc_controller->transceiver)) {
@@ -1980,7 +1954,6 @@ static int fsl_udc_start(struct usb_gadget *g,
if (retval < 0) {
ERR("can't bind to transceiver\n");
driver->unbind(&udc_controller->gadget);
- udc_controller->gadget.dev.driver = 0;
udc_controller->driver = 0;
return retval;
}
@@ -2023,7 +1996,6 @@ static int fsl_udc_stop(struct usb_gadget *g,
nuke(loop_ep, -ESHUTDOWN);
spin_unlock_irqrestore(&udc_controller->lock, flags);
- udc_controller->gadget.dev.driver = NULL;
udc_controller->driver = NULL;
return 0;
@@ -2521,12 +2493,7 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
/* Setup gadget.dev and register with kernel */
dev_set_name(&udc_controller->gadget.dev, "gadget");
- udc_controller->gadget.dev.release = fsl_udc_release;
- udc_controller->gadget.dev.parent = &pdev->dev;
udc_controller->gadget.dev.of_node = pdev->dev.of_node;
- ret = device_register(&udc_controller->gadget.dev);
- if (ret < 0)
- goto err_free_irq;
if (!IS_ERR_OR_NULL(udc_controller->transceiver))
udc_controller->gadget.is_otg = 1;
@@ -2559,10 +2526,11 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
DTD_ALIGNMENT, UDC_DMA_BOUNDARY);
if (udc_controller->td_pool == NULL) {
ret = -ENOMEM;
- goto err_unregister;
+ goto err_free_irq;
}
- ret = usb_add_gadget_udc(&pdev->dev, &udc_controller->gadget);
+ ret = usb_add_gadget_udc_release(&pdev->dev, &udc_controller->gadget,
+ fsl_udc_release);
if (ret)
goto err_del_udc;
@@ -2571,8 +2539,6 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
err_del_udc:
dma_pool_destroy(udc_controller->td_pool);
-err_unregister:
- device_unregister(&udc_controller->gadget.dev);
err_free_irq:
free_irq(udc_controller->irq, udc_controller);
err_iounmap:
@@ -2622,7 +2588,6 @@ static int __exit fsl_udc_remove(struct platform_device *pdev)
if (pdata->operating_mode == FSL_USB2_DR_DEVICE)
release_mem_region(res->start, resource_size(res));
- device_unregister(&udc_controller->gadget.dev);
/* free udc --wait for the release() finished */
wait_for_completion(&done);
@@ -2747,21 +2712,7 @@ static struct platform_driver udc_driver = {
},
};
-static int __init udc_init(void)
-{
- printk(KERN_INFO "%s (%s)\n", driver_desc, DRIVER_VERSION);
- return platform_driver_probe(&udc_driver, fsl_udc_probe);
-}
-
-module_init(udc_init);
-
-static void __exit udc_exit(void)
-{
- platform_driver_unregister(&udc_driver);
- printk(KERN_WARNING "%s unregistered\n", driver_desc);
-}
-
-module_exit(udc_exit);
+module_platform_driver_probe(udc_driver, fsl_udc_probe);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_AUTHOR(DRIVER_AUTHOR);
generated by cgit v1.2.3 (git 2.0.4) at 2024-06-29 20:41:27 +0000