diff options
Diffstat (limited to 'drivers/usb')
-rw-r--r-- | drivers/usb/core/usb.c | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index 62368c4ed37a..2ce3667ec6fa 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -398,52 +398,6 @@ int usb_for_each_dev(void *data, int (*fn)(struct usb_device *, void *)) } EXPORT_SYMBOL_GPL(usb_for_each_dev); -struct each_hub_arg { - void *data; - int (*fn)(struct device *, void *); -}; - -static int __each_hub(struct usb_device *hdev, void *data) -{ - struct each_hub_arg *arg = (struct each_hub_arg *)data; - struct usb_hub *hub; - int ret = 0; - int i; - - hub = usb_hub_to_struct_hub(hdev); - if (!hub) - return 0; - - mutex_lock(&usb_port_peer_mutex); - - for (i = 0; i < hdev->maxchild; i++) { - ret = arg->fn(&hub->ports[i]->dev, arg->data); - if (ret) - break; - } - - mutex_unlock(&usb_port_peer_mutex); - - return ret; -} - -/** - * usb_for_each_port - interate over all USB ports in the system - * @data: data pointer that will be handed to the callback function - * @fn: callback function to be called for each USB port - * - * Iterate over all USB ports and call @fn for each, passing it @data. If it - * returns anything other than 0, we break the iteration prematurely and return - * that value. - */ -int usb_for_each_port(void *data, int (*fn)(struct device *, void *)) -{ - struct each_hub_arg arg = {data, fn}; - - return usb_for_each_dev(&arg, __each_hub); -} -EXPORT_SYMBOL_GPL(usb_for_each_port); - /** * usb_release_dev - free a usb device structure when all users of it are finished. * @dev: device that's been disconnected |