36 static struct arm_pmu *cpu_pmu;  variable
44 	if (!cpu_pmu)  in perf_pmu_name()
47 	return cpu_pmu->name;  in perf_pmu_name()
55 	if (cpu_pmu != NULL)  in perf_num_counters()
56 		max_events = cpu_pmu->num_events;  in perf_num_counters()
81 static void cpu_pmu_free_irq(struct arm_pmu *cpu_pmu)  in cpu_pmu_free_irq()  argument
84 	struct platform_device *pmu_device = cpu_pmu->plat_device;  in cpu_pmu_free_irq()
85 	struct pmu_hw_events __percpu *hw_events = cpu_pmu->hw_events;  in cpu_pmu_free_irq()
97 			if (cpu_pmu->irq_affinity)  in cpu_pmu_free_irq()
98 				cpu = cpu_pmu->irq_affinity[i];  in cpu_pmu_free_irq()
100 			if (!cpumask_test_and_clear_cpu(cpu, &cpu_pmu->active_irqs))  in cpu_pmu_free_irq()
109 static int cpu_pmu_request_irq(struct arm_pmu *cpu_pmu, irq_handler_t handler)  in cpu_pmu_request_irq()  argument
112 	struct platform_device *pmu_device = cpu_pmu->plat_device;  in cpu_pmu_request_irq()
113 	struct pmu_hw_events __percpu *hw_events = cpu_pmu->hw_events;  in cpu_pmu_request_irq()
143 			if (cpu_pmu->irq_affinity)  in cpu_pmu_request_irq()
144 				cpu = cpu_pmu->irq_affinity[i];  in cpu_pmu_request_irq()
166 			cpumask_set_cpu(cpu, &cpu_pmu->active_irqs);  in cpu_pmu_request_irq()
195 static int cpu_pmu_init(struct arm_pmu *cpu_pmu)  in cpu_pmu_init()  argument
205 	cpu_pmu->hotplug_nb.notifier_call = cpu_pmu_notify;  in cpu_pmu_init()
206 	err = register_cpu_notifier(&cpu_pmu->hotplug_nb);  in cpu_pmu_init()
213 		events->percpu_pmu = cpu_pmu;  in cpu_pmu_init()
216 	cpu_pmu->hw_events	= cpu_hw_events;  in cpu_pmu_init()
217 	cpu_pmu->request_irq	= cpu_pmu_request_irq;  in cpu_pmu_init()
218 	cpu_pmu->free_irq	= cpu_pmu_free_irq;  in cpu_pmu_init()
221 	if (cpu_pmu->reset)  in cpu_pmu_init()
222 		on_each_cpu(cpu_pmu->reset, cpu_pmu, 1);  in cpu_pmu_init()
225 	if (!platform_get_irq(cpu_pmu->plat_device, 0))  in cpu_pmu_init()
226 		cpu_pmu->pmu.capabilities |= PERF_PMU_CAP_NO_INTERRUPT;  in cpu_pmu_init()
235 static void cpu_pmu_destroy(struct arm_pmu *cpu_pmu)  in cpu_pmu_destroy()  argument
237 	unregister_cpu_notifier(&cpu_pmu->hotplug_nb);  in cpu_pmu_destroy()
238 	free_percpu(cpu_pmu->hw_events);  in cpu_pmu_destroy()
345 		cpu_pmu->irq_affinity = irqs;  in of_pmu_irq_cfg()
360 	if (cpu_pmu) {  in cpu_pmu_device_probe()
371 	cpu_pmu = pmu;  in cpu_pmu_device_probe()
372 	cpu_pmu->plat_device = pdev;  in cpu_pmu_device_probe()
389 	ret = cpu_pmu_init(cpu_pmu);  in cpu_pmu_device_probe()
393 	ret = armpmu_register(cpu_pmu, -1);  in cpu_pmu_device_probe()
400 	cpu_pmu_destroy(cpu_pmu);  in cpu_pmu_device_probe()