usb/core/hub.c

25 #include <linux/usb/hcd.h>
652 			struct usb_hcd *hcd = bus_to_hcd(hdev->bus);
659 				usb_phy_roothub_notify_connect(hcd->phy_roothub, port1 - 1);
661 				usb_phy_roothub_notify_disconnect(hcd->phy_roothub, port1 - 1);
861 		drv = clear->hcd->driver;
863 			(drv->clear_tt_buffer_complete)(clear->hcd, clear->ep);
947 	clear->hcd = bus_to_hcd(udev->bus);
1079 	struct usb_hcd *hcd;
1150 			hcd = bus_to_hcd(hdev->bus);
1151 			if (hcd->driver->update_hub_device) {
1152 				ret = hcd->driver->update_hub_device(hcd, hdev,
1428 	struct usb_hcd *hcd;
1632 	hcd = bus_to_hcd(hdev->bus);
1634 		if (hcd->power_budget > 0)
1635 			hdev->bus_mA = hcd->power_budget;
1687 	 * maxpktsize is defined in hcd.c's fake endpoint descriptors
1731 	if (hcd->driver->update_hub_device) {
1732 		ret = hcd->driver->update_hub_device(hcd, hdev,
2238 	struct usb_hcd *hcd = bus_to_hcd(udev->bus);
2241 	if (hcd->driver->free_dev && udev->parent)
2242 		hcd->driver->free_dev(hcd, udev);
2299 	/* deallocate hcd/hardware state ... nuking all pending urbs and
2480 	struct usb_hcd *hcd = bus_to_hcd(udev->bus);
2502 	if (IS_ENABLED(CONFIG_USB_OTG_PRODUCTLIST) && hcd->tpl_support &&
3123 			struct usb_hcd *hcd = bus_to_hcd(udev->bus);
3129 			if (hcd->driver->reset_device)
3130 				hcd->driver->reset_device(hcd, udev);
3305 	struct usb_hcd *hcd = bus_to_hcd(udev->bus);
3308 	if (!usb_device_supports_ltm(hcd->self.root_hub) ||
3327 	struct usb_hcd *hcd = bus_to_hcd(udev->bus);
3330 	if (!usb_device_supports_ltm(hcd->self.root_hub) ||
3971 	struct usb_hcd		*hcd;
3978 	hcd = bus_to_hcd(hdev->bus);
3979 	if (hcd->driver->get_resuming_ports) {
3989 		resuming_ports = hcd->driver->get_resuming_ports(hcd);
4282 static void usb_enable_link_state(struct usb_hcd *hcd, struct usb_device *udev,
4309 	timeout = hcd->driver->enable_usb3_lpm_timeout(hcd, udev, state);
4327 		hcd->driver->disable_usb3_lpm_timeout(hcd, udev, state);
4342 			hcd->driver->disable_usb3_lpm_timeout(hcd, udev, state);
4367 static int usb_disable_link_state(struct usb_hcd *hcd, struct usb_device *udev,
4385 	if (hcd->driver->disable_usb3_lpm_timeout(hcd, udev, state))
4413 	struct usb_hcd *hcd;
4421 	hcd = bus_to_hcd(udev->bus);
4422 	if (!hcd || !hcd->driver->disable_usb3_lpm_timeout)
4430 	if (usb_disable_link_state(hcd, udev, USB3_LPM_U1))
4432 	if (usb_disable_link_state(hcd, udev, USB3_LPM_U2))
4446 	struct usb_hcd *hcd = bus_to_hcd(udev->bus);
4449 	if (!hcd)
4452 	mutex_lock(hcd->bandwidth_mutex);
4454 	mutex_unlock(hcd->bandwidth_mutex);
4470 	struct usb_hcd *hcd;
4481 	hcd = bus_to_hcd(udev->bus);
4485 	if (!hcd || !hcd->driver->enable_usb3_lpm_timeout ||
4486 			!hcd->driver->disable_usb3_lpm_timeout)
4499 		usb_enable_link_state(hcd, udev, USB3_LPM_U1);
4502 		usb_enable_link_state(hcd, udev, USB3_LPM_U2);
4509 	struct usb_hcd *hcd = bus_to_hcd(udev->bus);
4511 	if (!hcd)
4514 	mutex_lock(hcd->bandwidth_mutex);
4516 	mutex_unlock(hcd->bandwidth_mutex);
4705 	struct usb_hcd *hcd = bus_to_hcd(udev->bus);
4715 	if (!hcd->driver->address_device && devnum <= 1)
4721 	if (hcd->driver->address_device)
4722 		retval = hcd->driver->address_device(hcd, udev, timeout_ms);
4765 	struct usb_hcd *hcd = bus_to_hcd(udev->bus);
4767 	if (!hcd->driver->enable_device)
4774 	return hcd->driver->enable_device(hcd, udev);
4860 	struct usb_hcd		*hcd = bus_to_hcd(hdev->bus);
5172 	if (hcd->driver->update_device)
5173 		hcd->driver->update_device(hcd, udev);
5351 	struct usb_hcd *hcd = bus_to_hcd(hdev->bus);
5359 		if (hcd->usb_phy && !hdev->parent)
5360 			usb_phy_notify_disconnect(hcd->usb_phy, udev->speed);
5419 		mutex_lock(hcd->address0_mutex);
5428 			mutex_unlock(hcd->address0_mutex);
5454 		mutex_unlock(hcd->address0_mutex);
5529 				if (hcd->usb_phy && !hdev->parent)
5530 					usb_phy_notify_connect(hcd->usb_phy,
5551 			mutex_unlock(hcd->address0_mutex);
5568 			!hcd->driver->port_handed_over ||
5569 			!(hcd->driver->port_handed_over)(hcd, port1)) {
5577 	if (hcd->driver->relinquish_port && !hub->hdev->parent) {
5579 			hcd->driver->relinquish_port(hcd, port1);
6094 	struct usb_hcd			*hcd = bus_to_hcd(udev->bus);
6120 	mutex_lock(hcd->address0_mutex);
6135 	mutex_unlock(hcd->address0_mutex);
6150 	mutex_lock(hcd->bandwidth_mutex);
6156 		mutex_unlock(hcd->bandwidth_mutex);
6167 		mutex_unlock(hcd->bandwidth_mutex);
6170 	mutex_unlock(hcd->bandwidth_mutex);
6270 		/* this requires hcd-specific logic; see ohci_restart() */