IOMMU_FWSPEC_PCI_RC_ATS is only defined if CONFIG_IOMMU_API is
enabled.
Fixes: 5702ee24182f ("ACPI/IORT: Check ATS capability in root complex nodes")
Signed-off-by: Christoph Hellwig <h...@lst.de>
---
drivers/acpi/arm64/iort.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c
index 9058cb084b91..3e542b5d2a2d 100644
--- a/drivers/acpi/arm64/iort.c
+++ b/drivers/acpi/arm64/iort.c
@@ -1074,9 +1074,10 @@ const struct iommu_ops *iort_iommu_configure(struct
device *dev)
info.node = node;
err = pci_for_each_dma_alias(to_pci_dev(dev),
iort_pci_iommu_init, &info);
-
+#ifdef CONFIG_IOMMU_API
if (!err && iort_pci_rc_supports_ats(node))
dev->iommu_fwspec->flags |= IOMMU_FWSPEC_PCI_RC_ATS;
+#endif
} else {
int i = 0;
--
2.20.1
