[SRU][G/linux-oracle][PATCH 12/18] UBUNTU: SAUCE: perf: arm_dsu: Allow IRQ to be shared among devices.

[Khalid Elmously]

From: Tuan Phan <tphan at amperecomputing.com>

BugLink: https://bugs.launchpad.net/bugs/1925421

Some DSU devices use same IRQ.

Signed-off-by: Tuan Phan <tphan at amperecomputing.com>
(cherry picked from commit c015bb2eebcb97a2dfbf656f63449807e469e342 https://github.com/AmpereComputing/ampere-centos-kernel)
Signed-off-by: Khalid Elmously <khalid.elmously at canonical.com>
---
 drivers/perf/arm_dsu_pmu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/perf/arm_dsu_pmu.c b/drivers/perf/arm_dsu_pmu.c
index 98e68ed7db85..04b49373c78b 100644
--- a/drivers/perf/arm_dsu_pmu.c
+++ b/drivers/perf/arm_dsu_pmu.c
@@ -740,7 +740,7 @@ 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;
-- 
2.17.1