static int
init_cpu_pmu(void)
{
int i, irqs, err = 0;
struct platform_device *pdev = pmu_devices[ARM_PMU_DEVICE_CPU];
if (!pdev)
return -ENODEV;
irqs = pdev->num_resources;
/*
* If we have a single PMU interrupt that we can't shift, assume that
* we're running on a uniprocessor machine and continue.
*/
if (irqs == 1 && !irq_can_set_affinity(platform_get_irq(pdev, 0)))
return 0;
for (i = 0; i < irqs; ++i) {
err = set_irq_affinity(platform_get_irq(pdev, i), i);
if (err)
break;
}
return err;
}
static int
init_cpu_pmu(void)
{
int i, err = 0;
struct platform_device *pdev = pmu_devices[ARM_PMU_DEVICE_CPU];
if (!pdev) {
err = -ENODEV;
goto out;
}
for (i = 0; i < pdev->num_resources; ++i) {
err = set_irq_affinity(platform_get_irq(pdev, i), i);
if (err)
break;
}
out:
return err;
}
int
init_pmu_single(int cpu)
{
int irqs, err = 0;
struct platform_device *pdev = pmu_devices[ARM_PMU_DEVICE_CPU];
if (!pdev)
return -ENODEV;
irqs = pdev->num_resources;
/*
* If we have a single PMU interrupt that we can't shift, assume that
* we're running on a uniprocessor machine and continue.
*/
if (irqs == 1 && !irq_can_set_affinity(platform_get_irq(pdev, 0)))
return 0;
err = set_irq_affinity(platform_get_irq(pdev, cpu), cpu);
return err;
}
