diff options
| author | Ming Lei <ming.lei@canonical.com> | 2011-03-02 15:00:08 +0800 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2011-12-02 15:16:33 +0000 |
| commit | e0516a64e7ea9d9522d98f9f5f47aa38f147779f (patch) | |
| tree | cb03a94b84dcb764de9db1f6ff0285018a792c0a /arch/arm/kernel/perf_event.c | |
| parent | 14eec97ff4635977b026a53b27915ab0dec51e94 (diff) | |
arm: pmu: allow platform specific irq enable/disable handling
This patch introduces .enable_irq and .disable_irq into
struct arm_pmu_platdata, so platform specific irq enablement
can be handled after request_irq, and platform specific irq
disablement can be handled before free_irq.
This patch is for support of pmu irq routed from CTI on omap4.
Acked-by: Jean Pihet <j-pihet@ti.com>
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm/kernel/perf_event.c')
| -rw-r--r-- | arch/arm/kernel/perf_event.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c index c475379199b..daa1db84452 100644 --- a/arch/arm/kernel/perf_event.c +++ b/arch/arm/kernel/perf_event.c @@ -380,6 +380,8 @@ armpmu_release_hardware(struct arm_pmu *armpmu) { int i, irq, irqs; struct platform_device *pmu_device = armpmu->plat_device; + struct arm_pmu_platdata *plat = + dev_get_platdata(&pmu_device->dev); irqs = min(pmu_device->num_resources, num_possible_cpus()); @@ -387,8 +389,11 @@ armpmu_release_hardware(struct arm_pmu *armpmu) if (!cpumask_test_and_clear_cpu(i, &armpmu->active_irqs)) continue; irq = platform_get_irq(pmu_device, i); - if (irq >= 0) + if (irq >= 0) { + if (plat && plat->disable_irq) + plat->disable_irq(irq); free_irq(irq, armpmu); + } } release_pmu(armpmu->type); @@ -448,7 +453,8 @@ armpmu_reserve_hardware(struct arm_pmu *armpmu) irq); armpmu_release_hardware(armpmu); return err; - } + } else if (plat && plat->enable_irq) + plat->enable_irq(irq); cpumask_set_cpu(i, &armpmu->active_irqs); } |