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()
471 static int arm_ni_init_cd(struct arm_ni *ni, struct arm_ni_node *node, u64 res_start)  in arm_ni_init_cd()  argument
473 	struct arm_ni_cd *cd = ni->cds + node->id;  in arm_ni_init_cd()
479 	cd->units = devm_kcalloc(ni->dev, cd->num_units, sizeof(*(cd->units)), GFP_KERNEL);  in arm_ni_init_cd()
485 		void __iomem *unit_base = ni->base + reg;  in arm_ni_init_cd()
496 				dev_info(ni->dev, "No access to PMU %d\n", cd->id);  in arm_ni_init_cd()
497 				devm_kfree(ni->dev, cd->units);  in arm_ni_init_cd()
511 				dev_info(ni->dev, "No access to node 0x%04x%04x\n", unit->id, unit->type);  in arm_ni_init_cd()
520 			dev_dbg(ni->dev, "Mystery node 0x%04x%04x\n", unit->id, unit->type);  in arm_ni_init_cd()
525 	res_start += cd->pmu_base - ni->base;  in arm_ni_init_cd()
526 	if (!devm_request_mem_region(ni->dev, res_start, SZ_4K, dev_name(ni->dev))) {  in arm_ni_init_cd()
527 		dev_err(ni->dev, "Failed to request PMU region 0x%llx\n", res_start);  in arm_ni_init_cd()
537 	cd->irq = platform_get_irq(to_platform_device(ni->dev), cd->id);  in arm_ni_init_cd()
541 	err = devm_request_irq(ni->dev, cd->irq, arm_ni_handle_irq,  in arm_ni_init_cd()
543 			       dev_name(ni->dev), cd);  in arm_ni_init_cd()
547 	cd->cpu = cpumask_local_spread(0, dev_to_node(ni->dev));  in arm_ni_init_cd()
550 		.parent = ni->dev,  in arm_ni_init_cd()
564 	name = devm_kasprintf(ni->dev, GFP_KERNEL, "arm_ni_%d_cd_%d", ni->id, cd->id);  in arm_ni_init_cd()
592 	struct arm_ni *ni;  in arm_ni_probe()  local
638 	ni = devm_kzalloc(&pdev->dev, struct_size(ni, cds, num_cds), GFP_KERNEL);  in arm_ni_probe()
639 	if (!ni)  in arm_ni_probe()
642 	ni->dev = &pdev->dev;  in arm_ni_probe()
643 	ni->base = base;  in arm_ni_probe()
644 	ni->num_cds = num_cds;  in arm_ni_probe()
645 	ni->part = part;  in arm_ni_probe()
646 	ni->id = atomic_fetch_inc(&id);  in arm_ni_probe()
659 				ret = arm_ni_init_cd(ni, &cd, res->start);  in arm_ni_probe()
671 	struct arm_ni *ni = platform_get_drvdata(pdev);  in arm_ni_remove()  local
673 	for (int i = 0; i < ni->num_cds; i++) {  in arm_ni_remove()
674 		struct arm_ni_cd *cd = ni->cds + i;  in arm_ni_remove()
688 	{ .compatible = "arm,ni-700" },
704 		.name = "arm-ni",
756 				      "perf/arm/ni:online",  in arm_ni_init()
780 MODULE_DESCRIPTION("Arm NI-700 PMU driver");