3 // NI-700 Network-on-Chip PMU driver
232 	struct arm_ni *ni = cd_to_ni(pmu_to_cd(dev_get_drvdata(dev)));  in arm_ni_identifier_show()  local
233 	u32 reg = readl_relaxed(ni->base + NI_PERIPHERAL_ID2);  in arm_ni_identifier_show()
236 	return sysfs_emit(buf, "%03x%02x\n", ni->part, version);  in arm_ni_identifier_show()
470 static int arm_ni_init_cd(struct arm_ni *ni, struct arm_ni_node *node, u64 res_start)  in arm_ni_init_cd()  argument
472 	struct arm_ni_cd *cd = ni->cds + node->id;  in arm_ni_init_cd()
478 	cd->units = devm_kcalloc(ni->dev, cd->num_units, sizeof(*(cd->units)), GFP_KERNEL);  in arm_ni_init_cd()
484 		void __iomem *unit_base = ni->base + reg;  in arm_ni_init_cd()
495 				dev_info(ni->dev, "No access to PMU %d\n", cd->id);  in arm_ni_init_cd()
496 				devm_kfree(ni->dev, cd->units);  in arm_ni_init_cd()
510 				dev_info(ni->dev, "No access to node 0x%04x%04x\n", unit->id, unit->type);  in arm_ni_init_cd()
519 			dev_dbg(ni->dev, "Mystery node 0x%04x%04x\n", unit->id, unit->type);  in arm_ni_init_cd()
524 	res_start += cd->pmu_base - ni->base;  in arm_ni_init_cd()
525 	if (!devm_request_mem_region(ni->dev, res_start, SZ_4K, dev_name(ni->dev))) {  in arm_ni_init_cd()
526 		dev_err(ni->dev, "Failed to request PMU region 0x%llx\n", res_start);  in arm_ni_init_cd()
536 	cd->irq = platform_get_irq(to_platform_device(ni->dev), cd->id);  in arm_ni_init_cd()
540 	err = devm_request_irq(ni->dev, cd->irq, arm_ni_handle_irq,  in arm_ni_init_cd()
542 			       dev_name(ni->dev), cd);  in arm_ni_init_cd()
546 	cd->cpu = cpumask_local_spread(0, dev_to_node(ni->dev));  in arm_ni_init_cd()
549 		.parent = ni->dev,  in arm_ni_init_cd()
563 	name = devm_kasprintf(ni->dev, GFP_KERNEL, "arm_ni_%d_cd_%d", ni->id, cd->id);  in arm_ni_init_cd()
591 	struct arm_ni *ni;  in arm_ni_probe()  local
637 	ni = devm_kzalloc(&pdev->dev, struct_size(ni, cds, num_cds), GFP_KERNEL);  in arm_ni_probe()
638 	if (!ni)  in arm_ni_probe()
641 	ni->dev = &pdev->dev;  in arm_ni_probe()
642 	ni->base = base;  in arm_ni_probe()
643 	ni->num_cds = num_cds;  in arm_ni_probe()
644 	ni->part = part;  in arm_ni_probe()
645 	ni->id = atomic_fetch_inc(&id);  in arm_ni_probe()
658 				ret = arm_ni_init_cd(ni, &cd, res->start);  in arm_ni_probe()
670 	struct arm_ni *ni = platform_get_drvdata(pdev);  in arm_ni_remove()  local
672 	for (int i = 0; i < ni->num_cds; i++) {  in arm_ni_remove()
673 		struct arm_ni_cd *cd = ni->cds + i;  in arm_ni_remove()
687 	{ .compatible = "arm,ni-700" },
703 		.name = "arm-ni",
755 				      "perf/arm/ni:online",  in arm_ni_init()
779 MODULE_DESCRIPTION("Arm NI-700 PMU driver");