diff options
Diffstat (limited to 'drivers/usb/gadget/net2272.c')
| -rw-r--r-- | drivers/usb/gadget/net2272.c | 78 |
1 files changed, 22 insertions, 56 deletions
diff --git a/drivers/usb/gadget/net2272.c b/drivers/usb/gadget/net2272.c index ab98ea926a11..d1b76368472f 100644 --- a/drivers/usb/gadget/net2272.c +++ b/drivers/usb/gadget/net2272.c @@ -204,7 +204,7 @@ net2272_enable(struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc) if (!dev->driver || dev->gadget.speed == USB_SPEED_UNKNOWN) return -ESHUTDOWN; - max = le16_to_cpu(desc->wMaxPacketSize) & 0x1fff; + max = usb_endpoint_maxp(desc) & 0x1fff; spin_lock_irqsave(&dev->lock, flags); _ep->maxpacket = max & 0x7fff; @@ -1172,17 +1172,18 @@ net2272_pullup(struct usb_gadget *_gadget, int is_on) return 0; } -static int net2272_start(struct usb_gadget_driver *driver, - int (*bind)(struct usb_gadget *)); -static int net2272_stop(struct usb_gadget_driver *driver); +static int net2272_start(struct usb_gadget *_gadget, + struct usb_gadget_driver *driver); +static int net2272_stop(struct usb_gadget *_gadget, + struct usb_gadget_driver *driver); static const struct usb_gadget_ops net2272_ops = { - .get_frame = net2272_get_frame, - .wakeup = net2272_wakeup, + .get_frame = net2272_get_frame, + .wakeup = net2272_wakeup, .set_selfpowered = net2272_set_selfpowered, - .pullup = net2272_pullup, - .start = net2272_start, - .stop = net2272_stop, + .pullup = net2272_pullup, + .udc_start = net2272_start, + .udc_stop = net2272_stop, }; /*---------------------------------------------------------------------------*/ @@ -1356,8 +1357,6 @@ net2272_set_fifo_mode(struct net2272 *dev, int mode) /*---------------------------------------------------------------------------*/ -static struct net2272 *the_controller; - static void net2272_usb_reset(struct net2272 *dev) { @@ -1453,20 +1452,17 @@ net2272_ep0_start(struct net2272 *dev) * disconnect is reported. then a host may connect again, or * the driver might get unbound. */ -static int net2272_start(struct usb_gadget_driver *driver, - int (*bind)(struct usb_gadget *)) +static int net2272_start(struct usb_gadget *_gadget, + struct usb_gadget_driver *driver) { - struct net2272 *dev = the_controller; - int ret; + struct net2272 *dev; unsigned i; - if (!driver || !bind || !driver->unbind || !driver->setup || + if (!driver || !driver->unbind || !driver->setup || driver->speed != USB_SPEED_HIGH) return -EINVAL; - if (!dev) - return -ENODEV; - if (dev->driver) - return -EBUSY; + + dev = container_of(_gadget, struct net2272, gadget); for (i = 0; i < 4; ++i) dev->ep[i].irqs = 0; @@ -1475,14 +1471,6 @@ static int net2272_start(struct usb_gadget_driver *driver, driver->driver.bus = NULL; dev->driver = driver; dev->gadget.dev.driver = &driver->driver; - ret = bind(&dev->gadget); - if (ret) { - dev_dbg(dev->dev, "bind to driver %s --> %d\n", - driver->driver.name, ret); - dev->driver = NULL; - dev->gadget.dev.driver = NULL; - return ret; - } /* ... then enable host detection and ep0; and we're ready * for set_configuration as well as eventual disconnect. @@ -1510,33 +1498,21 @@ stop_activity(struct net2272 *dev, struct usb_gadget_driver *driver) for (i = 0; i < 4; ++i) net2272_dequeue_all(&dev->ep[i]); - /* report disconnect; the driver is already quiesced */ - if (driver) { - spin_unlock(&dev->lock); - driver->disconnect(&dev->gadget); - spin_lock(&dev->lock); - - } net2272_usb_reinit(dev); } -static int net2272_stop(struct usb_gadget_driver *driver) +static int net2272_stop(struct usb_gadget *_gadget, + struct usb_gadget_driver *driver) { - struct net2272 *dev = the_controller; + struct net2272 *dev; unsigned long flags; - if (!dev) - return -ENODEV; - if (!driver || driver != dev->driver) - return -EINVAL; + dev = container_of(_gadget, struct net2272, gadget); spin_lock_irqsave(&dev->lock, flags); stop_activity(dev, driver); spin_unlock_irqrestore(&dev->lock, flags); - net2272_pullup(&dev->gadget, 0); - - driver->unbind(&dev->gadget); dev->gadget.dev.driver = NULL; dev->driver = NULL; @@ -1764,8 +1740,8 @@ net2272_handle_stat0_irqs(struct net2272 *dev, u8 stat) dev->gadget.speed = USB_SPEED_HIGH; else dev->gadget.speed = USB_SPEED_FULL; - dev_dbg(dev->dev, "%s speed\n", - (dev->gadget.speed == USB_SPEED_HIGH) ? "high" : "full"); + dev_dbg(dev->dev, "%s\n", + usb_speed_string(dev->gadget.speed)); } ep = &dev->ep[0]; @@ -2238,7 +2214,6 @@ net2272_remove(struct net2272 *dev) device_remove_file(dev->dev, &dev_attr_registers); dev_info(dev->dev, "unbind\n"); - the_controller = NULL; } static struct net2272 * __devinit @@ -2246,11 +2221,6 @@ net2272_probe_init(struct device *dev, unsigned int irq) { struct net2272 *ret; - if (the_controller) { - dev_warn(dev, "ignoring\n"); - return ERR_PTR(-EBUSY); - } - if (!irq) { dev_dbg(dev, "No IRQ!\n"); return ERR_PTR(-ENODEV); @@ -2307,8 +2277,6 @@ net2272_probe_fin(struct net2272 *dev, unsigned int irqflags) dma_mode_string()); dev_info(dev->dev, "version: %s\n", driver_vers); - the_controller = dev; - ret = device_register(&dev->gadget.dev); if (ret) goto err_irq; @@ -2684,8 +2652,6 @@ net2272_plat_probe(struct platform_device *pdev) dev_info(&pdev->dev, "running in 16-bit, %sbyte swap local bus mode\n", (net2272_read(dev, LOCCTL) & (1 << BYTE_SWAP)) ? "" : "no "); - the_controller = dev; - return 0; err_io: |