irq_remapping/amd: Enhance AMD IR driver to support hierarchical irqdomains

[deliverable/linux.git] / drivers / iommu / amd_iommu_proto.h

diff --git a/drivers/iommu/amd_iommu_proto.h b/drivers/iommu/amd_iommu_proto.h
index 72b0fd455e2444cc12a9ee2b678c6b0456c80503..0a21142d3639d0741052be510a84df7f3fe2ef5a 100644 (file)
--- a/drivers/iommu/amd_iommu_proto.h
+++ b/drivers/iommu/amd_iommu_proto.h
@@ -62,6 +62,15 @@ extern u8 amd_iommu_pc_get_max_counters(u16 devid);
 extern int amd_iommu_pc_get_set_reg_val(u16 devid, u8 bank, u8 cntr, u8 fxn,
                                    u64 *value, bool is_write);
 
+#ifdef CONFIG_IRQ_REMAP
+extern int amd_iommu_create_irq_domain(struct amd_iommu *iommu);
+#else
+static inline int amd_iommu_create_irq_domain(struct amd_iommu *iommu)
+{
+       return 0;
+}
+#endif
+
 #define PPR_SUCCESS                    0x0
 #define PPR_INVALID                    0x1
 #define PPR_FAILURE                    0xf