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-rw-r--r--arch/powerpc/kernel/irq.c2
-rw-r--r--include/asm-powerpc/irq.h3
2 files changed, 5 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 0bd8c7665834..34dc37e0e369 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -604,6 +604,8 @@ unsigned int irq_create_mapping(struct irq_host *host,
*/
virq = irq_find_mapping(host, hwirq);
if (virq != IRQ_NONE) {
+ if (host->ops->remap)
+ host->ops->remap(host, virq, hwirq);
pr_debug("irq: -> existing mapping on virq %d\n", virq);
return virq;
}
diff --git a/include/asm-powerpc/irq.h b/include/asm-powerpc/irq.h
index 46476e9a494a..4734cc178db5 100644
--- a/include/asm-powerpc/irq.h
+++ b/include/asm-powerpc/irq.h
@@ -89,6 +89,9 @@ struct irq_host_ops {
/* Dispose of such a mapping */
void (*unmap)(struct irq_host *h, unsigned int virq);
+ /* Update of such a mapping */
+ void (*remap)(struct irq_host *h, unsigned int virq, irq_hw_number_t hw);
+
/* Translate device-tree interrupt specifier from raw format coming
* from the firmware to a irq_hw_number_t (interrupt line number) and
* type (sense) that can be passed to set_irq_type(). In the absence