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-rw-r--r--arch/powerpc/sysdev/xics/xics-common.c3
-rw-r--r--kernel/irq/irqdomain.c12
2 files changed, 12 insertions, 3 deletions
diff --git a/arch/powerpc/sysdev/xics/xics-common.c b/arch/powerpc/sysdev/xics/xics-common.c
index cd1d18db92c..9049d9f4448 100644
--- a/arch/powerpc/sysdev/xics/xics-common.c
+++ b/arch/powerpc/sysdev/xics/xics-common.c
@@ -329,9 +329,6 @@ static int xics_host_map(struct irq_domain *h, unsigned int virq,
pr_devel("xics: map virq %d, hwirq 0x%lx\n", virq, hw);
- /* Insert the interrupt mapping into the radix tree for fast lookup */
- irq_radix_revmap_insert(xics_host, virq, hw);
-
/* They aren't all level sensitive but we just don't really know */
irq_set_status_flags(virq, IRQ_LEVEL);
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index 17634f2c9f6..091732c9dbd 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -424,6 +424,18 @@ static int irq_setup_virq(struct irq_domain *domain, unsigned int virq,
return -1;
}
+ switch (domain->revmap_type) {
+ case IRQ_DOMAIN_MAP_LINEAR:
+ if (hwirq < domain->revmap_data.linear.size)
+ domain->revmap_data.linear.revmap[hwirq] = virq;
+ break;
+ case IRQ_DOMAIN_MAP_TREE:
+ mutex_lock(&revmap_trees_mutex);
+ irq_radix_revmap_insert(domain, virq, hwirq);
+ mutex_unlock(&revmap_trees_mutex);
+ break;
+ }
+
irq_clear_status_flags(virq, IRQ_NOREQUEST);
return 0;