diff options
Diffstat (limited to 'drivers/perf/arm_pmu.c')
| -rw-r--r-- | drivers/perf/arm_pmu.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c index 183c6fd786b2..2442038b3ab5 100644 --- a/drivers/perf/arm_pmu.c +++ b/drivers/perf/arm_pmu.c @@ -316,10 +316,16 @@ validate_group(struct perf_event *event) return 0; } +static struct arm_pmu_platdata *armpmu_get_platdata(struct arm_pmu *armpmu) +{ + struct platform_device *pdev = armpmu->plat_device; + + return pdev ? dev_get_platdata(&pdev->dev) : NULL; +} + static irqreturn_t armpmu_dispatch_irq(int irq, void *dev) { struct arm_pmu *armpmu; - struct platform_device *plat_device; struct arm_pmu_platdata *plat; int ret; u64 start_clock, finish_clock; @@ -331,8 +337,8 @@ static irqreturn_t armpmu_dispatch_irq(int irq, void *dev) * dereference. */ armpmu = *(void **)dev; - plat_device = armpmu->plat_device; - plat = dev_get_platdata(&plat_device->dev); + + plat = armpmu_get_platdata(armpmu); start_clock = sched_clock(); if (plat && plat->handle_irq) |