[PATCH]

[Jiang Liu]

Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
---
 drivers/iommu/intel_irq_remapping.c |   13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index ff35b0336d2b..8503cd467484 100644
--- a/drivers/iommu/intel_irq_remapping.c
+++ b/drivers/iommu/intel_irq_remapping.c
@@ -1207,6 +1207,19 @@ static void intel_irq_remapping_activate(struct irq_domain *domain,
 {
 	struct intel_ir_data *data = irq_data->chip_data;
 
+	if (irq_data->irq >= 91 && irq_data->irq <= 106) {
+		struct irq_2_iommu *irq_iommu;
+		struct intel_iommu *iommu;
+
+		irq_iommu = &data->irq_2_iommu;
+		iommu = irq_iommu->iommu;
+		pr_warn("iommu: chip_data %p, iommu %p, index %d, subindex %d, ir_table %p, table_base %p, queue %p\n",
+			data, iommu, irq_iommu->irte_index, irq_iommu->sub_handle,
+			iommu ? iommu->ir_table : NULL,
+			iommu && iommu->ir_table ? iommu->ir_table->base : NULL,
+			iommu && iommu->qi ? iommu->qi->desc : NULL);
+	}
+
 	modify_irte(&data->irq_2_iommu, &data->irte_entry);
 }
 
-- 
1.7.10.4


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