55 struct resource *platform_get_resource(struct platform_device *dev,  in platform_get_resource()  argument
60 	for (i = 0; i < dev->num_resources; i++) {  in platform_get_resource()
61 		struct resource *r = &dev->resource[i];  in platform_get_resource()
70 struct resource *platform_get_mem_or_io(struct platform_device *dev,  in platform_get_mem_or_io()  argument
75 	for (i = 0; i < dev->num_resources; i++) {  in platform_get_mem_or_io()
76 		struct resource *r = &dev->resource[i];  in platform_get_mem_or_io()
107 	return devm_ioremap_resource(&pdev->dev, r);  in devm_platform_get_and_ioremap_resource()
148 	return devm_ioremap_resource(&pdev->dev, res);  in devm_platform_ioremap_resource_byname()
171 int platform_get_irq_optional(struct platform_device *dev, unsigned int num)  in platform_get_irq_optional()  argument
176 	if (!dev || num >= dev->archdata.num_irqs)  in platform_get_irq_optional()
178 	ret = dev->archdata.irqs[num];  in platform_get_irq_optional()
183 	if (IS_ENABLED(CONFIG_OF_IRQ) && dev->dev.of_node) {  in platform_get_irq_optional()
184 		ret = of_irq_get(dev->dev.of_node, num);  in platform_get_irq_optional()
189 	r = platform_get_resource(dev, IORESOURCE_IRQ, num);  in platform_get_irq_optional()
190 	if (has_acpi_companion(&dev->dev)) {  in platform_get_irq_optional()
192 			ret = acpi_irq_get(ACPI_HANDLE(&dev->dev), num, r);  in platform_get_irq_optional()
225 	if (num == 0 && has_acpi_companion(&dev->dev)) {  in platform_get_irq_optional()
226 		ret = acpi_dev_gpio_irq_get(ACPI_COMPANION(&dev->dev), num);  in platform_get_irq_optional()
259 int platform_get_irq(struct platform_device *dev, unsigned int num)  in platform_get_irq()  argument
263 	ret = platform_get_irq_optional(dev, num);  in platform_get_irq()
265 		return dev_err_probe(&dev->dev, ret,  in platform_get_irq()
278 int platform_irq_count(struct platform_device *dev)  in platform_irq_count()  argument
282 	while ((ret = platform_get_irq_optional(dev, nr)) >= 0)  in platform_irq_count()
306 static void devm_platform_get_irqs_affinity_release(struct device *dev,  in devm_platform_get_irqs_affinity_release()  argument
315 		if (has_acpi_companion(dev))  in devm_platform_get_irqs_affinity_release()
316 			platform_disable_acpi_irq(to_platform_device(dev), i);  in devm_platform_get_irqs_affinity_release()
334 int devm_platform_get_irqs_affinity(struct platform_device *dev,  in devm_platform_get_irqs_affinity()  argument
351 	nvec = platform_irq_count(dev);  in devm_platform_get_irqs_affinity()
374 		int irq = platform_get_irq(dev, i);  in devm_platform_get_irqs_affinity()
391 			dev_err(&dev->dev, "failed to update irq%d affinity descriptor (%d)\n",  in devm_platform_get_irqs_affinity()
397 	devres_add(&dev->dev, ptr);  in devm_platform_get_irqs_affinity()
419 struct resource *platform_get_resource_byname(struct platform_device *dev,  in platform_get_resource_byname()  argument
425 	for (i = 0; i < dev->num_resources; i++) {  in platform_get_resource_byname()
426 		struct resource *r = &dev->resource[i];  in platform_get_resource_byname()
438 static int __platform_get_irq_byname(struct platform_device *dev,  in __platform_get_irq_byname()  argument
444 	ret = fwnode_irq_get_byname(dev_fwnode(&dev->dev), name);  in __platform_get_irq_byname()
448 	r = platform_get_resource_byname(dev, IORESOURCE_IRQ, name);  in __platform_get_irq_byname()
467 int platform_get_irq_byname(struct platform_device *dev, const char *name)  in platform_get_irq_byname()  argument
471 	ret = __platform_get_irq_byname(dev, name);  in platform_get_irq_byname()
473 		return dev_err_probe(&dev->dev, ret, "IRQ %s not found\n",  in platform_get_irq_byname()
489 int platform_get_irq_byname_optional(struct platform_device *dev,  in platform_get_irq_byname_optional()  argument
492 	return __platform_get_irq_byname(dev, name);  in platform_get_irq_byname_optional()
531 	pdev->dev.dma_parms = &pdev->dma_parms;  in setup_pdev_dma_masks()
533 	if (!pdev->dev.coherent_dma_mask)  in setup_pdev_dma_masks()
534 		pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);  in setup_pdev_dma_masks()
535 	if (!pdev->dev.dma_mask) {  in setup_pdev_dma_masks()
537 		pdev->dev.dma_mask = &pdev->platform_dma_mask;  in setup_pdev_dma_masks()
551 		put_device(&pdev->dev);  in platform_device_put()
555 static void platform_device_release(struct device *dev)  in platform_device_release()  argument
557 	struct platform_object *pa = container_of(dev, struct platform_object,  in platform_device_release()
558 						  pdev.dev);  in platform_device_release()
560 	of_node_put(pa->pdev.dev.of_node);  in platform_device_release()
561 	kfree(pa->pdev.dev.platform_data);  in platform_device_release()
585 		device_initialize(&pa->pdev.dev);  in platform_device_alloc()
586 		pa->pdev.dev.release = platform_device_release;  in platform_device_alloc()
643 	kfree(pdev->dev.platform_data);  in platform_device_add_data()
644 	pdev->dev.platform_data = d;  in platform_device_add_data()
664 	if (!pdev->dev.parent)  in platform_device_add()
665 		pdev->dev.parent = &platform_bus;  in platform_device_add()
667 	pdev->dev.bus = &platform_bus_type;  in platform_device_add()
671 		dev_set_name(&pdev->dev, "%s.%d", pdev->name,  pdev->id);  in platform_device_add()
674 		dev_set_name(&pdev->dev, "%s", pdev->name);  in platform_device_add()
687 		dev_set_name(&pdev->dev, "%s.%d.auto", pdev->name, pdev->id);  in platform_device_add()
695 			r->name = dev_name(&pdev->dev);  in platform_device_add()
708 				dev_err(&pdev->dev, "failed to claim resource %d: %pR\n", i, r);  in platform_device_add()
715 		 dev_name(&pdev->dev), dev_name(pdev->dev.parent));  in platform_device_add()
717 	ret = device_add(&pdev->dev);  in platform_device_add()
751 		device_del(&pdev->dev);  in platform_device_del()
777 	device_initialize(&pdev->dev);  in platform_device_register()
816 	pdev->dev.parent = pdevinfo->parent;  in platform_device_register_full()
817 	pdev->dev.fwnode = pdevinfo->fwnode;  in platform_device_register_full()
818 	pdev->dev.of_node = of_node_get(to_of_node(pdev->dev.fwnode));  in platform_device_register_full()
819 	pdev->dev.of_node_reused = pdevinfo->of_node_reused;  in platform_device_register_full()
823 		pdev->dev.dma_mask = &pdev->platform_dma_mask;  in platform_device_register_full()
824 		pdev->dev.coherent_dma_mask = pdevinfo->dma_mask;  in platform_device_register_full()
838 		ret = device_create_managed_software_node(&pdev->dev,  in platform_device_register_full()
847 		ACPI_COMPANION_SET(&pdev->dev, NULL);  in platform_device_register_full()
886 static int is_bound_to_driver(struct device *dev, void *driver)  in is_bound_to_driver()  argument
888 	if (dev->driver == driver)  in is_bound_to_driver()
1095 static int platform_legacy_suspend(struct device *dev, pm_message_t mesg)  in platform_legacy_suspend()  argument
1097 	struct platform_driver *pdrv = to_platform_driver(dev->driver);  in platform_legacy_suspend()
1098 	struct platform_device *pdev = to_platform_device(dev);  in platform_legacy_suspend()
1101 	if (dev->driver && pdrv->suspend)  in platform_legacy_suspend()
1107 static int platform_legacy_resume(struct device *dev)  in platform_legacy_resume()  argument
1109 	struct platform_driver *pdrv = to_platform_driver(dev->driver);  in platform_legacy_resume()
1110 	struct platform_device *pdev = to_platform_device(dev);  in platform_legacy_resume()
1113 	if (dev->driver && pdrv->resume)  in platform_legacy_resume()
1123 int platform_pm_suspend(struct device *dev)  in platform_pm_suspend()  argument
1125 	struct device_driver *drv = dev->driver;  in platform_pm_suspend()
1133 			ret = drv->pm->suspend(dev);  in platform_pm_suspend()
1135 		ret = platform_legacy_suspend(dev, PMSG_SUSPEND);  in platform_pm_suspend()
1141 int platform_pm_resume(struct device *dev)  in platform_pm_resume()  argument
1143 	struct device_driver *drv = dev->driver;  in platform_pm_resume()
1151 			ret = drv->pm->resume(dev);  in platform_pm_resume()
1153 		ret = platform_legacy_resume(dev);  in platform_pm_resume()
1163 int platform_pm_freeze(struct device *dev)  in platform_pm_freeze()  argument
1165 	struct device_driver *drv = dev->driver;  in platform_pm_freeze()
1173 			ret = drv->pm->freeze(dev);  in platform_pm_freeze()
1175 		ret = platform_legacy_suspend(dev, PMSG_FREEZE);  in platform_pm_freeze()
1181 int platform_pm_thaw(struct device *dev)  in platform_pm_thaw()  argument
1183 	struct device_driver *drv = dev->driver;  in platform_pm_thaw()
1191 			ret = drv->pm->thaw(dev);  in platform_pm_thaw()
1193 		ret = platform_legacy_resume(dev);  in platform_pm_thaw()
1199 int platform_pm_poweroff(struct device *dev)  in platform_pm_poweroff()  argument
1201 	struct device_driver *drv = dev->driver;  in platform_pm_poweroff()
1209 			ret = drv->pm->poweroff(dev);  in platform_pm_poweroff()
1211 		ret = platform_legacy_suspend(dev, PMSG_HIBERNATE);  in platform_pm_poweroff()
1217 int platform_pm_restore(struct device *dev)  in platform_pm_restore()  argument
1219 	struct device_driver *drv = dev->driver;  in platform_pm_restore()
1227 			ret = drv->pm->restore(dev);  in platform_pm_restore()
1229 		ret = platform_legacy_resume(dev);  in platform_pm_restore()
1243 static ssize_t modalias_show(struct device *dev,  in modalias_show()  argument
1246 	struct platform_device *pdev = to_platform_device(dev);  in modalias_show()
1249 	len = of_device_modalias(dev, buf, PAGE_SIZE);  in modalias_show()
1253 	len = acpi_device_modalias(dev, buf, PAGE_SIZE - 1);  in modalias_show()
1261 static ssize_t numa_node_show(struct device *dev,  in numa_node_show()  argument
1264 	return sysfs_emit(buf, "%d\n", dev_to_node(dev));  in numa_node_show()
1268 static ssize_t driver_override_show(struct device *dev,  in driver_override_show()  argument
1271 	struct platform_device *pdev = to_platform_device(dev);  in driver_override_show()
1274 	device_lock(dev);  in driver_override_show()
1276 	device_unlock(dev);  in driver_override_show()
1281 static ssize_t driver_override_store(struct device *dev,  in driver_override_store()  argument
1285 	struct platform_device *pdev = to_platform_device(dev);  in driver_override_store()
1288 	ret = driver_set_override(dev, &pdev->driver_override, buf, count);  in driver_override_store()
1306 	struct device *dev = container_of(kobj, typeof(*dev), kobj);  in platform_dev_attrs_visible()  local
1309 			dev_to_node(dev) == NUMA_NO_NODE)  in platform_dev_attrs_visible()
1335 static int platform_match(struct device *dev, struct device_driver *drv)  in platform_match()  argument
1337 	struct platform_device *pdev = to_platform_device(dev);  in platform_match()
1345 	if (of_driver_match_device(dev, drv))  in platform_match()
1349 	if (acpi_driver_match_device(dev, drv))  in platform_match()
1360 static int platform_uevent(const struct device *dev, struct kobj_uevent_env *env)  in platform_uevent()  argument
1362 	const struct platform_device *pdev = to_platform_device(dev);  in platform_uevent()
1366 	rc = of_device_uevent_modalias(dev, env);  in platform_uevent()
1370 	rc = acpi_device_uevent_modalias(dev, env);  in platform_uevent()
1382 	struct platform_device *dev = to_platform_device(_dev);  in platform_probe()  local
1404 		ret = drv->probe(dev);  in platform_probe()
1421 	struct platform_device *dev = to_platform_device(_dev);  in platform_remove()  local
1424 		drv->remove_new(dev);  in platform_remove()
1426 		int ret = drv->remove(dev);  in platform_remove()
1436 	struct platform_device *dev = to_platform_device(_dev);  in platform_shutdown()  local
1444 		drv->shutdown(dev);  in platform_shutdown()
1447 static int platform_dma_configure(struct device *dev)  in platform_dma_configure()  argument
1449 	struct platform_driver *drv = to_platform_driver(dev->driver);  in platform_dma_configure()
1453 	if (dev->of_node) {  in platform_dma_configure()
1454 		ret = of_dma_configure(dev, dev->of_node, true);  in platform_dma_configure()
1455 	} else if (has_acpi_companion(dev)) {  in platform_dma_configure()
1456 		attr = acpi_get_dma_attr(to_acpi_device_node(dev->fwnode));  in platform_dma_configure()
1457 		ret = acpi_dma_configure(dev, attr);  in platform_dma_configure()
1461 		ret = iommu_device_use_default_domain(dev);  in platform_dma_configure()
1463 			arch_teardown_dma_ops(dev);  in platform_dma_configure()
1469 static void platform_dma_cleanup(struct device *dev)  in platform_dma_cleanup()  argument
1471 	struct platform_driver *drv = to_platform_driver(dev->driver);  in platform_dma_cleanup()
1474 		iommu_device_unuse_default_domain(dev);  in platform_dma_cleanup()
1496 static inline int __platform_match(struct device *dev, const void *drv)  in __platform_match()  argument
1498 	return platform_match(dev, (struct device_driver *)drv);  in __platform_match()