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path: root/drivers/usb/gadget/amd5536udc.c
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Diffstat (limited to 'drivers/usb/gadget/amd5536udc.c')
-rw-r--r--drivers/usb/gadget/amd5536udc.c103
1 files changed, 30 insertions, 73 deletions
diff --git a/drivers/usb/gadget/amd5536udc.c b/drivers/usb/gadget/amd5536udc.c
index fc0ec5e0d58..41b062eb4de 100644
--- a/drivers/usb/gadget/amd5536udc.c
+++ b/drivers/usb/gadget/amd5536udc.c
@@ -40,7 +40,6 @@
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/errno.h>
-#include <linux/init.h>
#include <linux/timer.h>
#include <linux/list.h>
#include <linux/interrupt.h>
@@ -446,7 +445,7 @@ static void ep_init(struct udc_regs __iomem *regs, struct udc_ep *ep)
ep->ep.ops = &udc_ep_ops;
INIT_LIST_HEAD(&ep->queue);
- ep->ep.maxpacket = (u16) ~0;
+ usb_ep_set_maxpacket_limit(&ep->ep,(u16) ~0);
/* set NAK */
tmp = readl(&ep->regs->ctl);
tmp |= AMD_BIT(UDC_EPCTL_SNAK);
@@ -1122,7 +1121,7 @@ udc_queue(struct usb_ep *usbep, struct usb_request *usbreq, gfp_t gfp)
goto finished;
}
if (ep->dma) {
- retval = prep_dma(ep, req, gfp);
+ retval = prep_dma(ep, req, GFP_ATOMIC);
if (retval != 0)
goto finished;
/* write desc pointer to enable DMA */
@@ -1190,7 +1189,7 @@ udc_queue(struct usb_ep *usbep, struct usb_request *usbreq, gfp_t gfp)
* for PPB modes, because of chain creation reasons
*/
if (ep->in) {
- retval = prep_dma(ep, req, gfp);
+ retval = prep_dma(ep, req, GFP_ATOMIC);
if (retval != 0)
goto finished;
}
@@ -1400,15 +1399,16 @@ static int udc_wakeup(struct usb_gadget *gadget)
return 0;
}
-static int amd5536_start(struct usb_gadget_driver *driver,
- int (*bind)(struct usb_gadget *, struct usb_gadget_driver *));
-static int amd5536_stop(struct usb_gadget_driver *driver);
+static int amd5536_udc_start(struct usb_gadget *g,
+ struct usb_gadget_driver *driver);
+static int amd5536_udc_stop(struct usb_gadget *g,
+ struct usb_gadget_driver *driver);
/* gadget operations */
static const struct usb_gadget_ops udc_ops = {
.wakeup = udc_wakeup,
.get_frame = udc_get_frame,
- .start = amd5536_start,
- .stop = amd5536_stop,
+ .udc_start = amd5536_udc_start,
+ .udc_stop = amd5536_udc_stop,
};
/* Setups endpoint parameters, adds endpoints to linked list */
@@ -1563,12 +1563,15 @@ static void udc_setup_endpoints(struct udc *dev)
}
/* EP0 max packet */
if (dev->gadget.speed == USB_SPEED_FULL) {
- dev->ep[UDC_EP0IN_IX].ep.maxpacket = UDC_FS_EP0IN_MAX_PKT_SIZE;
- dev->ep[UDC_EP0OUT_IX].ep.maxpacket =
- UDC_FS_EP0OUT_MAX_PKT_SIZE;
+ usb_ep_set_maxpacket_limit(&dev->ep[UDC_EP0IN_IX].ep,
+ UDC_FS_EP0IN_MAX_PKT_SIZE);
+ usb_ep_set_maxpacket_limit(&dev->ep[UDC_EP0OUT_IX].ep,
+ UDC_FS_EP0OUT_MAX_PKT_SIZE);
} else if (dev->gadget.speed == USB_SPEED_HIGH) {
- dev->ep[UDC_EP0IN_IX].ep.maxpacket = UDC_EP0IN_MAX_PKT_SIZE;
- dev->ep[UDC_EP0OUT_IX].ep.maxpacket = UDC_EP0OUT_MAX_PKT_SIZE;
+ usb_ep_set_maxpacket_limit(&dev->ep[UDC_EP0IN_IX].ep,
+ UDC_EP0IN_MAX_PKT_SIZE);
+ usb_ep_set_maxpacket_limit(&dev->ep[UDC_EP0OUT_IX].ep,
+ UDC_EP0OUT_MAX_PKT_SIZE);
}
/*
@@ -1913,26 +1916,14 @@ static int setup_ep0(struct udc *dev)
}
/* Called by gadget driver to register itself */
-static int amd5536_start(struct usb_gadget_driver *driver,
- int (*bind)(struct usb_gadget *, struct usb_gadget_driver *))
+static int amd5536_udc_start(struct usb_gadget *g,
+ struct usb_gadget_driver *driver)
{
- struct udc *dev = udc;
- int retval;
+ struct udc *dev = to_amd5536_udc(g);
u32 tmp;
- if (!driver || !bind || !driver->setup
- || driver->max_speed < USB_SPEED_HIGH)
- return -EINVAL;
- if (!dev)
- return -ENODEV;
- if (dev->driver)
- return -EBUSY;
-
driver->driver.bus = NULL;
dev->driver = driver;
- dev->gadget.dev.driver = &driver->driver;
-
- retval = bind(&dev->gadget, driver);
/* Some gadget drivers use both ep0 directions.
* NOTE: to gadget driver, ep0 is just one endpoint...
@@ -1940,14 +1931,6 @@ static int amd5536_start(struct usb_gadget_driver *driver,
dev->ep[UDC_EP0OUT_IX].ep.driver_data =
dev->ep[UDC_EP0IN_IX].ep.driver_data;
- if (retval) {
- DBG(dev, "binding to %s returning %d\n",
- driver->driver.name, retval);
- dev->driver = NULL;
- dev->gadget.dev.driver = NULL;
- return retval;
- }
-
/* get ready for ep0 traffic */
setup_ep0(dev);
@@ -1969,14 +1952,9 @@ __acquires(dev->lock)
{
int tmp;
- if (dev->gadget.speed != USB_SPEED_UNKNOWN) {
- spin_unlock(&dev->lock);
- driver->disconnect(&dev->gadget);
- spin_lock(&dev->lock);
- }
-
/* empty queues and init hardware */
udc_basic_init(dev);
+
for (tmp = 0; tmp < UDC_EP_NUM; tmp++)
empty_req_queue(&dev->ep[tmp]);
@@ -1984,24 +1962,18 @@ __acquires(dev->lock)
}
/* Called by gadget driver to unregister itself */
-static int amd5536_stop(struct usb_gadget_driver *driver)
+static int amd5536_udc_stop(struct usb_gadget *g,
+ struct usb_gadget_driver *driver)
{
- struct udc *dev = udc;
- unsigned long flags;
+ struct udc *dev = to_amd5536_udc(g);
+ unsigned long flags;
u32 tmp;
- if (!dev)
- return -ENODEV;
- if (!driver || driver != dev->driver || !driver->unbind)
- return -EINVAL;
-
spin_lock_irqsave(&dev->lock, flags);
udc_mask_unused_interrupts(dev);
shutdown(dev, driver);
spin_unlock_irqrestore(&dev->lock, flags);
- driver->unbind(&dev->gadget);
- dev->gadget.dev.driver = NULL;
dev->driver = NULL;
/* set SD */
@@ -2009,9 +1981,6 @@ static int amd5536_stop(struct usb_gadget_driver *driver)
tmp |= AMD_BIT(UDC_DEVCTL_SD);
writel(tmp, &dev->regs->ctl);
-
- DBG(dev, "%s: unregistered\n", driver->driver.name);
-
return 0;
}
@@ -3111,9 +3080,6 @@ static void udc_pci_remove(struct pci_dev *pdev)
if (dev->active)
pci_disable_device(pdev);
- device_unregister(&dev->gadget.dev);
- pci_set_drvdata(pdev, NULL);
-
udc_remove(dev);
}
@@ -3231,7 +3197,7 @@ static int udc_pci_probe(
}
if (!pdev->irq) {
- dev_err(&dev->pdev->dev, "irq not set\n");
+ dev_err(&pdev->dev, "irq not set\n");
kfree(dev);
dev = NULL;
retval = -ENODEV;
@@ -3250,7 +3216,7 @@ static int udc_pci_probe(
dev->txfifo = (u32 __iomem *)(dev->virt_addr + UDC_TXFIFO_ADDR);
if (request_irq(pdev->irq, udc_irq, IRQF_SHARED, name, dev) != 0) {
- dev_dbg(&dev->pdev->dev, "request_irq(%d) fail\n", pdev->irq);
+ dev_dbg(&pdev->dev, "request_irq(%d) fail\n", pdev->irq);
kfree(dev);
dev = NULL;
retval = -EBUSY;
@@ -3276,8 +3242,6 @@ static int udc_pci_probe(
dev->phys_addr = resource;
dev->irq = pdev->irq;
dev->pdev = pdev;
- dev->gadget.dev.parent = &pdev->dev;
- dev->gadget.dev.dma_mask = pdev->dev.dma_mask;
/* general probing */
if (udc_probe(dev) == 0)
@@ -3304,7 +3268,6 @@ static int udc_probe(struct udc *dev)
dev->gadget.ops = &udc_ops;
dev_set_name(&dev->gadget.dev, "gadget");
- dev->gadget.dev.release = gadget_release;
dev->gadget.name = name;
dev->gadget.max_speed = USB_SPEED_HIGH;
@@ -3328,17 +3291,11 @@ static int udc_probe(struct udc *dev)
"driver version: %s(for Geode5536 B1)\n", tmp);
udc = dev;
- retval = usb_add_gadget_udc(&udc->pdev->dev, &dev->gadget);
+ retval = usb_add_gadget_udc_release(&udc->pdev->dev, &dev->gadget,
+ gadget_release);
if (retval)
goto finished;
- retval = device_register(&dev->gadget.dev);
- if (retval) {
- usb_del_gadget_udc(&dev->gadget);
- put_device(&dev->gadget.dev);
- goto finished;
- }
-
/* timer init */
init_timer(&udc_timer);
udc_timer.function = udc_timer_function;
@@ -3383,7 +3340,7 @@ static int udc_remote_wakeup(struct udc *dev)
}
/* PCI device parameters */
-static DEFINE_PCI_DEVICE_TABLE(pci_id) = {
+static const struct pci_device_id pci_id[] = {
{
PCI_DEVICE(PCI_VENDOR_ID_AMD, 0x2096),
.class = (PCI_CLASS_SERIAL_USB << 8) | 0xfe,
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 20:56:30 +0000