diff mbox series

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

Message ID 1622595642-61678-2-git-send-email-tiantao6@hisilicon.com (mailing list archive)
State Not Applicable, archived
Headers show
Series move to use request_irq by IRQF_NO_AUTOEN flag | expand

Commit Message

Tian Tao June 2, 2021, 1 a.m. UTC
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>
---
 drivers/perf/arm_pmu.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

Comments

Mark Rutland June 2, 2021, 10:14 a.m. UTC | #1
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.

> ---
>  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
>
diff mbox series

Patch

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));