diff options
Diffstat (limited to 'drivers/hwtracing/intel_th/core.c')
| -rw-r--r-- | drivers/hwtracing/intel_th/core.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/hwtracing/intel_th/core.c b/drivers/hwtracing/intel_th/core.c index 750aa9d6f849..390031df3edf 100644 --- a/drivers/hwtracing/intel_th/core.c +++ b/drivers/hwtracing/intel_th/core.c @@ -639,7 +639,12 @@ intel_th_subdevice_alloc(struct intel_th *th, dev_dbg(th->dev, "%s:%d @ %pR\n", subdev->name, r, &res[r]); } else if (res[r].flags & IORESOURCE_IRQ) { - res[r].start = th->irq; + /* + * Only pass on the IRQ if we have useful interrupts: + * the ones that can be configured via MINTCTL. + */ + if (INTEL_TH_CAP(th, has_mintctl) && th->irq != -1) + res[r].start = th->irq; } } |