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-rw-r--r--drivers/hwtracing/intel_th/core.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/hwtracing/intel_th/core.c b/drivers/hwtracing/intel_th/core.c
index d295b221e0bc..8f820c182240 100644
--- a/drivers/hwtracing/intel_th/core.c
+++ b/drivers/hwtracing/intel_th/core.c
@@ -805,7 +805,14 @@ intel_th_alloc(struct device *dev, struct intel_th_drvdata *drvdata,
struct resource *devres, unsigned int ndevres, int irq)
{
struct intel_th *th;
- int err;
+ int err, r;
+
+ if (irq == -1)
+ for (r = 0; r < ndevres; r++)
+ if (devres[r].flags & IORESOURCE_IRQ) {
+ irq = devres[r].start;
+ break;
+ }
th = kzalloc(sizeof(*th), GFP_KERNEL);
if (!th)