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-rw-r--r--kernel/irq/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/irq/Kconfig b/kernel/irq/Kconfig
index 875f25ed6f71..e126e6ce510e 100644
--- a/kernel/irq/Kconfig
+++ b/kernel/irq/Kconfig
@@ -96,6 +96,7 @@ config GENERIC_MSI_IRQ
bool
select IRQ_DOMAIN_HIERARCHY
+# irqchip drivers should select this if they call iommu_dma_prepare_msi()
config IRQ_MSI_IOMMU
bool