[PATCH] drm/panfrost: Prefix interrupt handlers' names

[Neil Armstrong]

Hi,

On 13/12/2019 13:39, Ezequiel Garcia wrote:
> Currently, the interrupt lines requested by Panfrost
> use ambiguous names, which adds some obscurity
> to interrupt introspection (i.e. any tool based
> on procfs' interrupts file).
> 
> In order to improve this, prefix each requested
> interrupt with either the module name or the device
> name, where possible.
> 
> Signed-off-by: Ezequiel Garcia <ezequiel at collabora.com>
> ---
>  drivers/gpu/drm/panfrost/panfrost_gpu.c | 2 +-
>  drivers/gpu/drm/panfrost/panfrost_job.c | 2 +-
>  drivers/gpu/drm/panfrost/panfrost_mmu.c | 6 ++++--
>  3 files changed, 6 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/panfrost/panfrost_gpu.c b/drivers/gpu/drm/panfrost/panfrost_gpu.c
> index f67ed925c0ef..0355c4a78eaa 100644
> --- a/drivers/gpu/drm/panfrost/panfrost_gpu.c
> +++ b/drivers/gpu/drm/panfrost/panfrost_gpu.c
> @@ -348,7 +348,7 @@ int panfrost_gpu_init(struct panfrost_device *pfdev)
>  		return -ENODEV;
>  
>  	err = devm_request_irq(pfdev->dev, irq, panfrost_gpu_irq_handler,
> -			       IRQF_SHARED, "gpu", pfdev);
> +			       IRQF_SHARED, dev_name(pfdev->dev), pfdev);
>  	if (err) {
>  		dev_err(pfdev->dev, "failed to request gpu irq");
>  		return err;
> diff --git a/drivers/gpu/drm/panfrost/panfrost_job.c b/drivers/gpu/drm/panfrost/panfrost_job.c
> index 05c85f45a0de..3bd79ebb6c40 100644
> --- a/drivers/gpu/drm/panfrost/panfrost_job.c
> +++ b/drivers/gpu/drm/panfrost/panfrost_job.c
> @@ -480,7 +480,7 @@ int panfrost_job_init(struct panfrost_device *pfdev)
>  		return -ENODEV;
>  
>  	ret = devm_request_irq(pfdev->dev, irq, panfrost_job_irq_handler,
> -			       IRQF_SHARED, "job", pfdev);
> +			       IRQF_SHARED, KBUILD_MODNAME "-job", pfdev);
>  	if (ret) {
>  		dev_err(pfdev->dev, "failed to request job irq");
>  		return ret;
> diff --git a/drivers/gpu/drm/panfrost/panfrost_mmu.c b/drivers/gpu/drm/panfrost/panfrost_mmu.c
> index 842bdd7cf6be..806958434726 100644
> --- a/drivers/gpu/drm/panfrost/panfrost_mmu.c
> +++ b/drivers/gpu/drm/panfrost/panfrost_mmu.c
> @@ -612,9 +612,11 @@ int panfrost_mmu_init(struct panfrost_device *pfdev)
>  	if (irq <= 0)
>  		return -ENODEV;
>  
> -	err = devm_request_threaded_irq(pfdev->dev, irq, panfrost_mmu_irq_handler,
> +	err = devm_request_threaded_irq(pfdev->dev, irq,
> +					panfrost_mmu_irq_handler,
>  					panfrost_mmu_irq_handler_thread,
> -					IRQF_SHARED, "mmu", pfdev);
> +					IRQF_SHARED, KBUILD_MODNAME "-mmu",
> +					pfdev);
>  
>  	if (err) {
>  		dev_err(pfdev->dev, "failed to request mmu irq");
> 

Why don't you use dev_name(pfdev->dev) everywhere ?

Neil