106 		struct intel_th *th = to_intel_th(hub);  in intel_th_remove()  local
119 		for (i = 0, lowest = -1; i < th->num_thdevs; i++) {  in intel_th_remove()
125 			if (th->thdev[i]->type != INTEL_TH_OUTPUT) {  in intel_th_remove()
127 					th->thdev[lowest] = th->thdev[i];  in intel_th_remove()
128 					th->thdev[i] = NULL;  in intel_th_remove()
138 			intel_th_device_remove(th->thdev[i]);  in intel_th_remove()
139 			th->thdev[i] = NULL;  in intel_th_remove()
143 			th->num_thdevs = lowest;  in intel_th_remove()
192 	struct intel_th *th = to_intel_th(thdev);  in intel_th_output_devnode()  local
196 		node = kasprintf(GFP_KERNEL, "intel_th%d/%s%d", th->id,  in intel_th_output_devnode()
199 		node = kasprintf(GFP_KERNEL, "intel_th%d/%s", th->id,  in intel_th_output_devnode()
222 	struct intel_th *th = to_intel_th(thdev);  in intel_th_output_activate()  local
233 	if (th->activate)  in intel_th_output_activate()
234 		ret = th->activate(th);  in intel_th_output_activate()
249 	if (th->deactivate)  in intel_th_output_activate()
250 		th->deactivate(th);  in intel_th_output_activate()
263 	struct intel_th *th = to_intel_th(thdev);  in intel_th_output_deactivate()  local
273 	if (th->deactivate)  in intel_th_output_deactivate()
274 		th->deactivate(th);  in intel_th_output_deactivate()
355 intel_th_device_alloc(struct intel_th *th, unsigned int type, const char *name,  in intel_th_device_alloc()  argument
362 		parent = &th->hub->dev;  in intel_th_device_alloc()
364 		parent = th->dev;  in intel_th_device_alloc()
382 		dev_set_name(&thdev->dev, "%d-%s%d", th->id, name, id);  in intel_th_device_alloc()
384 		dev_set_name(&thdev->dev, "%d-%s", th->id, name);  in intel_th_device_alloc()
548 	struct intel_th *th = container_of(work, struct intel_th,  in __intel_th_request_hub_module()  local
551 	request_module("intel_th_%s", th->hub->name);  in __intel_th_request_hub_module()
554 static int intel_th_request_hub_module(struct intel_th *th)  in intel_th_request_hub_module()  argument
556 	INIT_WORK(&th->request_module_work, __intel_th_request_hub_module);  in intel_th_request_hub_module()
557 	schedule_work(&th->request_module_work);  in intel_th_request_hub_module()
562 static void intel_th_request_hub_module_flush(struct intel_th *th)  in intel_th_request_hub_module_flush()  argument
564 	flush_work(&th->request_module_work);  in intel_th_request_hub_module_flush()
567 static inline int intel_th_request_hub_module(struct intel_th *th)  in intel_th_request_hub_module()  argument
572 static inline void intel_th_request_hub_module_flush(struct intel_th *th)  in intel_th_request_hub_module_flush()  argument
578 intel_th_subdevice_alloc(struct intel_th *th,  in intel_th_subdevice_alloc()  argument
587 	thdev = intel_th_device_alloc(th, subdev->type, subdev->name,  in intel_th_subdevice_alloc()
592 	thdev->drvdata = th->drvdata;  in intel_th_subdevice_alloc()
594 	for (r = 0; r < th->num_resources; r++)  in intel_th_subdevice_alloc()
595 		if (th->resource[r].flags & IORESOURCE_MEM_64) {  in intel_th_subdevice_alloc()
604 		struct resource *devres = th->resource;  in intel_th_subdevice_alloc()
624 			dev_dbg(th->dev, "%s:%d @ %pR\n",  in intel_th_subdevice_alloc()
627 			res[r].start	= th->irq;  in intel_th_subdevice_alloc()
638 		thdev->dev.devt = MKDEV(th->major, th->num_thdevs);  in intel_th_subdevice_alloc()
644 			INTEL_TH_CAP(th, host_mode_only) ? true : host_mode;  in intel_th_subdevice_alloc()
645 		th->hub = thdev;  in intel_th_subdevice_alloc()
656 		err = intel_th_request_hub_module(th);  in intel_th_subdevice_alloc()
681 int intel_th_output_enable(struct intel_th *th, unsigned int otype)  in intel_th_output_enable()  argument
686 	for (src = 0, dst = 0; dst <= th->num_thdevs; src++, dst++) {  in intel_th_output_enable()
701 		for (; dst < th->num_thdevs; dst++) {  in intel_th_output_enable()
702 			if (th->thdev[dst]->type != INTEL_TH_OUTPUT)  in intel_th_output_enable()
705 			if (th->thdev[dst]->output.type != otype)  in intel_th_output_enable()
715 		if (dst == th->num_thdevs)  in intel_th_output_enable()
722 	thdev = intel_th_subdevice_alloc(th, &intel_th_subdevices[src]);  in intel_th_output_enable()
726 	th->thdev[th->num_thdevs++] = thdev;  in intel_th_output_enable()
732 static int intel_th_populate(struct intel_th *th)  in intel_th_populate()  argument
743 		if ((INTEL_TH_CAP(th, host_mode_only) || host_mode) &&  in intel_th_populate()
755 		thdev = intel_th_subdevice_alloc(th, subdev);  in intel_th_populate()
760 		th->thdev[th->num_thdevs++] = thdev;  in intel_th_populate()
819 	struct intel_th *th;  in intel_th_alloc()  local
829 	th = kzalloc(sizeof(*th), GFP_KERNEL);  in intel_th_alloc()
830 	if (!th)  in intel_th_alloc()
833 	th->id = ida_simple_get(&intel_th_ida, 0, 0, GFP_KERNEL);  in intel_th_alloc()
834 	if (th->id < 0) {  in intel_th_alloc()
835 		err = th->id;  in intel_th_alloc()
839 	th->major = __register_chrdev(0, 0, TH_POSSIBLE_OUTPUTS,  in intel_th_alloc()
841 	if (th->major < 0) {  in intel_th_alloc()
842 		err = th->major;  in intel_th_alloc()
845 	th->dev = dev;  in intel_th_alloc()
846 	th->drvdata = drvdata;  in intel_th_alloc()
848 	th->resource = devres;  in intel_th_alloc()
849 	th->num_resources = ndevres;  in intel_th_alloc()
850 	th->irq = irq;  in intel_th_alloc()
852 	dev_set_drvdata(dev, th);  in intel_th_alloc()
858 	err = intel_th_populate(th);  in intel_th_alloc()
861 		intel_th_free(th);  in intel_th_alloc()
865 	return th;  in intel_th_alloc()
868 	ida_simple_remove(&intel_th_ida, th->id);  in intel_th_alloc()
871 	kfree(th);  in intel_th_alloc()
877 void intel_th_free(struct intel_th *th)  in intel_th_free()  argument
881 	intel_th_request_hub_module_flush(th);  in intel_th_free()
883 	intel_th_device_remove(th->hub);  in intel_th_free()
884 	for (i = 0; i < th->num_thdevs; i++) {  in intel_th_free()
885 		if (th->thdev[i] != th->hub)  in intel_th_free()
886 			intel_th_device_remove(th->thdev[i]);  in intel_th_free()
887 		th->thdev[i] = NULL;  in intel_th_free()
890 	th->num_thdevs = 0;  in intel_th_free()
892 	pm_runtime_get_sync(th->dev);  in intel_th_free()
893 	pm_runtime_forbid(th->dev);  in intel_th_free()
895 	__unregister_chrdev(th->major, 0, TH_POSSIBLE_OUTPUTS,  in intel_th_free()
898 	ida_simple_remove(&intel_th_ida, th->id);  in intel_th_free()
900 	kfree(th);  in intel_th_free()