diff options
Diffstat (limited to 'drivers/usb/gadget/dummy_hcd.c')
| -rw-r--r-- | drivers/usb/gadget/dummy_hcd.c | 101 |
1 files changed, 42 insertions, 59 deletions
diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c index cbe44535c0f..42036192a03 100644 --- a/drivers/usb/gadget/dummy_hcd.c +++ b/drivers/usb/gadget/dummy_hcd.c @@ -365,16 +365,14 @@ dummy_enable (struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc) case USB_SPEED_HIGH: if (max == 512) break; - /* conserve return statements */ - default: - switch (max) { - case 8: case 16: case 32: case 64: + goto done; + case USB_SPEED_FULL: + if (max == 8 || max == 16 || max == 32 || max == 64) /* we'll fake any legal size */ break; - default: - case USB_SPEED_LOW: - goto done; - } + /* save a return statement */ + default: + goto done; } break; case USB_ENDPOINT_XFER_INT: @@ -894,13 +892,12 @@ static int dummy_udc_suspend (struct platform_device *pdev, pm_message_t state) { struct dummy *dum = platform_get_drvdata(pdev); - dev_dbg (&pdev->dev, "%s\n", __FUNCTION__); + dev_dbg (&pdev->dev, "%s\n", __func__); spin_lock_irq (&dum->lock); dum->udc_suspended = 1; set_link_state (dum); spin_unlock_irq (&dum->lock); - pdev->dev.power.power_state = state; usb_hcd_poll_rh_status (dummy_to_hcd (dum)); return 0; } @@ -909,13 +906,12 @@ static int dummy_udc_resume (struct platform_device *pdev) { struct dummy *dum = platform_get_drvdata(pdev); - dev_dbg (&pdev->dev, "%s\n", __FUNCTION__); + dev_dbg (&pdev->dev, "%s\n", __func__); spin_lock_irq (&dum->lock); dum->udc_suspended = 0; set_link_state (dum); spin_unlock_irq (&dum->lock); - pdev->dev.power.power_state = PMSG_ON; usb_hcd_poll_rh_status (dummy_to_hcd (dum)); return 0; } @@ -1559,8 +1555,7 @@ hub_descriptor (struct usb_hub_descriptor *desc) memset (desc, 0, sizeof *desc); desc->bDescriptorType = 0x29; desc->bDescLength = 9; - desc->wHubCharacteristics = (__force __u16) - (__constant_cpu_to_le16 (0x0001)); + desc->wHubCharacteristics = cpu_to_le16(0x0001); desc->bNbrPorts = 1; desc->bitmap [0] = 0xff; desc->bitmap [1] = 0xff; @@ -1711,7 +1706,7 @@ static int dummy_bus_suspend (struct usb_hcd *hcd) { struct dummy *dum = hcd_to_dummy (hcd); - dev_dbg (&hcd->self.root_hub->dev, "%s\n", __FUNCTION__); + dev_dbg (&hcd->self.root_hub->dev, "%s\n", __func__); spin_lock_irq (&dum->lock); dum->rh_state = DUMMY_RH_SUSPENDED; @@ -1726,7 +1721,7 @@ static int dummy_bus_resume (struct usb_hcd *hcd) struct dummy *dum = hcd_to_dummy (hcd); int rc = 0; - dev_dbg (&hcd->self.root_hub->dev, "%s\n", __FUNCTION__); + dev_dbg (&hcd->self.root_hub->dev, "%s\n", __func__); spin_lock_irq (&dum->lock); if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) { @@ -1900,7 +1895,7 @@ static int dummy_hcd_suspend (struct platform_device *pdev, pm_message_t state) struct dummy *dum; int rc = 0; - dev_dbg (&pdev->dev, "%s\n", __FUNCTION__); + dev_dbg (&pdev->dev, "%s\n", __func__); hcd = platform_get_drvdata (pdev); dum = hcd_to_dummy (hcd); @@ -1916,7 +1911,7 @@ static int dummy_hcd_resume (struct platform_device *pdev) { struct usb_hcd *hcd; - dev_dbg (&pdev->dev, "%s\n", __FUNCTION__); + dev_dbg (&pdev->dev, "%s\n", __func__); hcd = platform_get_drvdata (pdev); set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); @@ -1937,69 +1932,57 @@ static struct platform_driver dummy_hcd_driver = { /*-------------------------------------------------------------------------*/ -/* These don't need to do anything because the pdev structures are - * statically allocated. */ -static void -dummy_udc_release (struct device *dev) {} - -static void -dummy_hcd_release (struct device *dev) {} - -static struct platform_device the_udc_pdev = { - .name = (char *) gadget_name, - .id = -1, - .dev = { - .release = dummy_udc_release, - }, -}; - -static struct platform_device the_hcd_pdev = { - .name = (char *) driver_name, - .id = -1, - .dev = { - .release = dummy_hcd_release, - }, -}; +static struct platform_device *the_udc_pdev; +static struct platform_device *the_hcd_pdev; static int __init init (void) { - int retval; + int retval = -ENOMEM; if (usb_disabled ()) return -ENODEV; - retval = platform_driver_register (&dummy_hcd_driver); - if (retval < 0) + the_hcd_pdev = platform_device_alloc(driver_name, -1); + if (!the_hcd_pdev) return retval; + the_udc_pdev = platform_device_alloc(gadget_name, -1); + if (!the_udc_pdev) + goto err_alloc_udc; - retval = platform_driver_register (&dummy_udc_driver); + retval = platform_driver_register(&dummy_hcd_driver); + if (retval < 0) + goto err_register_hcd_driver; + retval = platform_driver_register(&dummy_udc_driver); if (retval < 0) goto err_register_udc_driver; - retval = platform_device_register (&the_hcd_pdev); + retval = platform_device_add(the_hcd_pdev); if (retval < 0) - goto err_register_hcd; - - retval = platform_device_register (&the_udc_pdev); + goto err_add_hcd; + retval = platform_device_add(the_udc_pdev); if (retval < 0) - goto err_register_udc; + goto err_add_udc; return retval; -err_register_udc: - platform_device_unregister (&the_hcd_pdev); -err_register_hcd: - platform_driver_unregister (&dummy_udc_driver); +err_add_udc: + platform_device_del(the_hcd_pdev); +err_add_hcd: + platform_driver_unregister(&dummy_udc_driver); err_register_udc_driver: - platform_driver_unregister (&dummy_hcd_driver); + platform_driver_unregister(&dummy_hcd_driver); +err_register_hcd_driver: + platform_device_put(the_udc_pdev); +err_alloc_udc: + platform_device_put(the_hcd_pdev); return retval; } module_init (init); static void __exit cleanup (void) { - platform_device_unregister (&the_udc_pdev); - platform_device_unregister (&the_hcd_pdev); - platform_driver_unregister (&dummy_udc_driver); - platform_driver_unregister (&dummy_hcd_driver); + platform_device_unregister(the_udc_pdev); + platform_device_unregister(the_hcd_pdev); + platform_driver_unregister(&dummy_udc_driver); + platform_driver_unregister(&dummy_hcd_driver); } module_exit (cleanup); |