static int nousb; /* Disable USB when built into kernel image */
-/* Workqueue for autosuspend and for remote wakeup of root hubs */
-struct workqueue_struct *ksuspend_usb_wq;
-
#ifdef CONFIG_USB_SUSPEND
static int usb_autosuspend_delay = 2; /* Default delay value,
* in seconds */
hcd = bus_to_hcd(udev->bus);
usb_destroy_configuration(udev);
- /* Root hubs aren't real devices, so don't free HCD resources */
- if (hcd->driver->free_dev && udev->parent)
- hcd->driver->free_dev(hcd, udev);
usb_put_hcd(hcd);
kfree(udev->product);
kfree(udev->manufacturer);
#ifdef CONFIG_PM
-static int ksuspend_usb_init(void)
-{
- /* This workqueue is supposed to be both freezable and
- * singlethreaded. Its job doesn't justify running on more
- * than one CPU.
- */
- ksuspend_usb_wq = create_freezeable_workqueue("ksuspend_usbd");
- if (!ksuspend_usb_wq)
- return -ENOMEM;
- return 0;
-}
-
-static void ksuspend_usb_cleanup(void)
-{
- destroy_workqueue(ksuspend_usb_wq);
-}
-
/* USB device Power-Management thunks.
* There's no need to distinguish here between quiescing a USB device
* and powering it down; the generic_suspend() routine takes care of
static void usb_dev_complete(struct device *dev)
{
/* Currently used only for rebinding interfaces */
- usb_resume(dev, PMSG_RESUME); /* Message event is meaningless */
+ usb_resume(dev, PMSG_ON); /* FIXME: change to PMSG_COMPLETE */
}
static int usb_dev_suspend(struct device *dev)
#else
-#define ksuspend_usb_init() 0
-#define ksuspend_usb_cleanup() do {} while (0)
-#define usb_device_pm_ops (*(struct dev_pm_ops *)0)
+#define usb_device_pm_ops (*(struct dev_pm_ops *) NULL)
#endif /* CONFIG_PM */
INIT_LIST_HEAD(&dev->filelist);
#ifdef CONFIG_PM
- mutex_init(&dev->pm_mutex);
- INIT_DELAYED_WORK(&dev->autosuspend, usb_autosuspend_work);
- INIT_WORK(&dev->autoresume, usb_autoresume_work);
dev->autosuspend_delay = usb_autosuspend_delay * HZ;
dev->connect_time = jiffies;
dev->active_duration = -jiffies;
EXPORT_SYMBOL_GPL(__usb_get_extra_descriptor);
/**
- * usb_buffer_alloc - allocate dma-consistent buffer for URB_NO_xxx_DMA_MAP
+ * usb_alloc_coherent - allocate dma-consistent buffer for URB_NO_xxx_DMA_MAP
* @dev: device the buffer will be used with
* @size: requested buffer size
* @mem_flags: affect whether allocation may block
* architectures where CPU caches are not DMA-coherent. On systems without
* bus-snooping caches, these buffers are uncached.
*
- * When the buffer is no longer used, free it with usb_buffer_free().
+ * When the buffer is no longer used, free it with usb_free_coherent().
*/
-void *usb_buffer_alloc(struct usb_device *dev, size_t size, gfp_t mem_flags,
- dma_addr_t *dma)
+void *usb_alloc_coherent(struct usb_device *dev, size_t size, gfp_t mem_flags,
+ dma_addr_t *dma)
{
if (!dev || !dev->bus)
return NULL;
return hcd_buffer_alloc(dev->bus, size, mem_flags, dma);
}
-EXPORT_SYMBOL_GPL(usb_buffer_alloc);
+EXPORT_SYMBOL_GPL(usb_alloc_coherent);
/**
- * usb_buffer_free - free memory allocated with usb_buffer_alloc()
+ * usb_free_coherent - free memory allocated with usb_alloc_coherent()
* @dev: device the buffer was used with
* @size: requested buffer size
* @addr: CPU address of buffer
* @dma: DMA address of buffer
*
* This reclaims an I/O buffer, letting it be reused. The memory must have
- * been allocated using usb_buffer_alloc(), and the parameters must match
+ * been allocated using usb_alloc_coherent(), and the parameters must match
* those provided in that allocation request.
*/
-void usb_buffer_free(struct usb_device *dev, size_t size, void *addr,
- dma_addr_t dma)
+void usb_free_coherent(struct usb_device *dev, size_t size, void *addr,
+ dma_addr_t dma)
{
if (!dev || !dev->bus)
return;
return;
hcd_buffer_free(dev->bus, size, addr, dma);
}
-EXPORT_SYMBOL_GPL(usb_buffer_free);
+EXPORT_SYMBOL_GPL(usb_free_coherent);
/**
* usb_buffer_map - create DMA mapping(s) for an urb
if (retval)
goto out;
- retval = ksuspend_usb_init();
- if (retval)
- goto out;
retval = bus_register(&usb_bus_type);
if (retval)
goto bus_register_failed;
bus_notifier_failed:
bus_unregister(&usb_bus_type);
bus_register_failed:
- ksuspend_usb_cleanup();
+ usb_debugfs_cleanup();
out:
return retval;
}
usb_hub_cleanup();
bus_unregister_notifier(&usb_bus_type, &usb_bus_nb);
bus_unregister(&usb_bus_type);
- ksuspend_usb_cleanup();
usb_debugfs_cleanup();
}