Thread (6 messages) flat view 6 messages, 3 authors, 2021-06-02

Re: [PATCH 1/2] arm_pmu: move to use request_irq by IRQF_NO_AUTOEN flag

From: Mark Rutland <mark.rutland@arm.com>
Date: 2021-06-02 10:14:26
Also in: linux-arm-msm

On Wed, Jun 02, 2021 at 09:00:41AM +0800, Tian Tao wrote:
request_irq() after setting IRQ_NOAUTOEN as below
irq_set_status_flags(irq, IRQ_NOAUTOEN);
request_irq(dev, irq...);
can be replaced by request_irq() with IRQF_NO_AUTOEN flag.

this patch is made base on "add IRQF_NO_AUTOEN for request_irq" which
is being merged: https://lore.kernel.org/patchwork/patch/1388765/

Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
I see that the patch above was merged in v5.13-rc1 as commit:

  cbe16f35bee6880b ("genirq: Add IRQF_NO_AUTOEN for request_irq/nmi()")

With that in mind:

Acked-by: Mark Rutland <mark.rutland@arm.com>

... I expect Will will pick this up.

Thanks,
Mark.
quoted hunk ↗ jump to hunk
---
 drivers/perf/arm_pmu.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c
index e57b348..eb3a802 100644
--- a/drivers/perf/arm_pmu.c
+++ b/drivers/perf/arm_pmu.c
@@ -644,11 +644,9 @@ int armpmu_request_irq(int irq, int cpu)
 		}
 
 		irq_flags = IRQF_PERCPU |
-			    IRQF_NOBALANCING |
+			    IRQF_NOBALANCING | IRQF_NO_AUTOEN |
 			    IRQF_NO_THREAD;
 
-		irq_set_status_flags(irq, IRQ_NOAUTOEN);
-
 		err = request_nmi(irq, handler, irq_flags, "arm-pmu",
 				  per_cpu_ptr(&cpu_armpmu, cpu));
 
-- 
2.7.4
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