From 3cf7ee98b8489fd2ff58374e3882a666f81d629f Mon Sep 17 00:00:00 2001 From: Mark Rutland Date: Tue, 11 Apr 2017 09:39:52 +0100 Subject: [PATCH] drivers/perf: arm_pmu: move irq request/free into probe Currently we request (and potentially free) all IRQs for a given PMU in cpu_pmu_init(). This works for platform/DT probing today, but it doesn't fit ACPI well as we don't have all our affinity data up-front. In preparation for ACPI support, fold the IRQ request/free into arm_pmu_device_probe(), which will remain specific to platform/DT probing. Signed-off-by: Mark Rutland Tested-by: Jeremy Linton Cc: Will Deacon Signed-off-by: Will Deacon --- drivers/perf/arm_pmu.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c index c09c379b038d..f387d6153099 100644 --- a/drivers/perf/arm_pmu.c +++ b/drivers/perf/arm_pmu.c @@ -758,10 +758,6 @@ static int cpu_pmu_init(struct arm_pmu *cpu_pmu) { int err; - err = armpmu_request_irqs(cpu_pmu); - if (err) - goto out; - err = cpuhp_state_add_instance(CPUHP_AP_PERF_ARM_STARTING, &cpu_pmu->node); if (err) @@ -777,7 +773,6 @@ out_unregister: cpuhp_state_remove_instance_nocalls(CPUHP_AP_PERF_ARM_STARTING, &cpu_pmu->node); out: - armpmu_free_irqs(cpu_pmu); return err; } @@ -1073,12 +1068,18 @@ int arm_pmu_device_probe(struct platform_device *pdev, goto out_free; } + ret = armpmu_request_irqs(pmu); + if (ret) + goto out_free_irqs; + ret = armpmu_register(pmu); if (ret) goto out_free; return 0; +out_free_irqs: + armpmu_free_irqs(pmu); out_free: pr_info("%s: failed to register PMU devices!\n", of_node_full_name(node)); -- 2.20.1