perf: arm_dsu: Allow IRQ to be shared among devices.

Some DSU devices use same IRQ. Cherry-pick from: AmpereComputing/ampere-centos-kernel---DEPRECATED@19a1b38 Signed-off-by: Tuan Phan <[email protected]>
AmpereComputing · Feb 4, 2021 · 48b4d60 · 48b4d60
1 parent 7655e30
commit 48b4d60
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/perf/arm_dsu_pmu.c b/drivers/perf/arm_dsu_pmu.c
@@ -731,7 +731,7 @@ static int dsu_pmu_device_probe(struct platform_device *pdev)
 	if (!name)
 		return -ENOMEM;
 	rc = devm_request_irq(&pdev->dev, irq, dsu_pmu_handle_irq,
-			      IRQF_NOBALANCING, name, dsu_pmu);
+			      IRQF_NOBALANCING | IRQF_SHARED, name, dsu_pmu);
 	if (rc) {
 		dev_warn(&pdev->dev, "Failed to request IRQ %d\n", irq);
 		return rc;