From: Christoph Hellwig <hch@lst.de>
To: will.deacon@arm.com
Cc: jean-philippe.brucker@arm.com, lorenzo.pieralisi@arm.com,
linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: [PATCH] ACPI/IORT: Fix build without CONFIG_IOMMU_API
Date: Mon, 20 May 2019 08:57:46 +0200 [thread overview]
Message-ID: <20190520065746.17068-1-hch@lst.de> (raw)
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 <hch@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
next reply other threads:[~2019-05-20 6:58 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-20 6:57 Christoph Hellwig [this message]
2019-05-20 10:34 ` [PATCH] ACPI/IORT: Fix build without CONFIG_IOMMU_API Hanjun Guo
2019-05-22 12:54 ` Will Deacon
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