[PATCH v2 2/9] drivers/perf: hisi: Export hisi_uncore_pmu_isr()
From: Yushan Wang <wangyushan12@huawei.com>
Date: 2025-08-21 13:50:54
Also in:
lkml
Subsystem:
arm pmu profiling and debugging, the rest · Maintainers:
Will Deacon, Mark Rutland, Linus Torvalds
From: Yicong Yang <yangyicong@hisilicon.com> Currently Uncore PMU framework assume one PMU device only have one interrupt and will help register the interrupt handler. It cannot support a PMU with multiple interrupt resources. An uncore PMU may have multiple interrupts that can share the same handler. Export hisi_uncore_pmu_isr() to allow drivers register the irq handler by their own routine. Signed-off-by: Yicong Yang <yangyicong@hisilicon.com> Signed-off-by: Yushan Wang <wangyushan12@huawei.com> --- drivers/perf/hisilicon/hisi_uncore_pmu.c | 3 ++- drivers/perf/hisilicon/hisi_uncore_pmu.h | 1 + 2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/perf/hisilicon/hisi_uncore_pmu.c b/drivers/perf/hisilicon/hisi_uncore_pmu.c
index 6594d64b03a9..de71dcf11653 100644
--- a/drivers/perf/hisilicon/hisi_uncore_pmu.c
+++ b/drivers/perf/hisilicon/hisi_uncore_pmu.c@@ -149,7 +149,7 @@ static void hisi_uncore_pmu_clear_event_idx(struct hisi_pmu *hisi_pmu, int idx) clear_bit(idx, hisi_pmu->pmu_events.used_mask); } -static irqreturn_t hisi_uncore_pmu_isr(int irq, void *data) +irqreturn_t hisi_uncore_pmu_isr(int irq, void *data) { struct hisi_pmu *hisi_pmu = data; struct perf_event *event;
@@ -178,6 +178,7 @@ static irqreturn_t hisi_uncore_pmu_isr(int irq, void *data) return IRQ_HANDLED; } +EXPORT_SYMBOL_NS_GPL(hisi_uncore_pmu_isr, "HISI_PMU"); int hisi_uncore_pmu_init_irq(struct hisi_pmu *hisi_pmu, struct platform_device *pdev)
diff --git a/drivers/perf/hisilicon/hisi_uncore_pmu.h b/drivers/perf/hisilicon/hisi_uncore_pmu.h
index 6186b232f454..02fa022925d4 100644
--- a/drivers/perf/hisilicon/hisi_uncore_pmu.h
+++ b/drivers/perf/hisilicon/hisi_uncore_pmu.h@@ -165,6 +165,7 @@ int hisi_uncore_pmu_offline_cpu(unsigned int cpu, struct hlist_node *node); ssize_t hisi_uncore_pmu_identifier_attr_show(struct device *dev, struct device_attribute *attr, char *page); +irqreturn_t hisi_uncore_pmu_isr(int irq, void *data); int hisi_uncore_pmu_init_irq(struct hisi_pmu *hisi_pmu, struct platform_device *pdev); void hisi_uncore_pmu_init_topology(struct hisi_pmu *hisi_pmu, struct device *dev);
--
2.33.0