gpu_irq
int gpu_irq;
synchronize_irq(pfdev->gpu_irq);
pfdev->gpu_irq = platform_get_irq_byname(to_platform_device(pfdev->base.dev), "gpu");
if (pfdev->gpu_irq < 0)
return pfdev->gpu_irq;
err = devm_request_irq(pfdev->base.dev, pfdev->gpu_irq, panfrost_gpu_irq_handler,
struct gpu_irq irq;