lkml.org 
[lkml]   [2020]   [Mar]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 1/2] perf: dsu: Allow multiple devices share same IRQ.
[+Suzuki, since he wrote the driver]

On Tue, Mar 17, 2020 at 05:26:15PM -0700, Tuan Phan wrote:
> Add IRQF_SHARED flag when register IRQ such that multiple dsu
> devices can share same IRQ.
>
> Signed-off-by: Tuan Phan <tuanphan@os.amperecomputing.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 70968c8..2622900 100644
> --- a/drivers/perf/arm_dsu_pmu.c
> +++ b/drivers/perf/arm_dsu_pmu.c
> @@ -700,7 +700,7 @@ 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;
> --
> 2.7.4
>

\
 
 \ /
  Last update: 2020-03-18 21:58    [W:0.055 / U:0.356 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site