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authorLinus Torvalds <torvalds@linux-foundation.org>2017-09-22 13:06:05 -1000
committerLinus Torvalds <torvalds@linux-foundation.org>2017-09-22 13:06:05 -1000
commit9ae0b37e69ca7143cb338f183ce326442c8dd8be (patch)
tree26d7c4ac611ee16915f69954ac98d8e299a35602 /drivers
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile (diff)
parentiommu/of: Remove PCI host bridge node check (diff)
downloadlinux-dev-9ae0b37e69ca7143cb338f183ce326442c8dd8be.tar.xz
linux-dev-9ae0b37e69ca7143cb338f183ce326442c8dd8be.zip
Merge tag 'iommu-fixes-v4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel: - two Kconfig fixes to fix dependencies that cause compile failures when they are not fulfilled. - a section mismatch fix for Intel VT-d - a fix for PCI topology detection in ARM device-tree code * tag 'iommu-fixes-v4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu/of: Remove PCI host bridge node check iommu/qcom: Depend on HAS_DMA to fix compile error iommu/vt-d: Fix harmless section mismatch warning iommu: Add missing dependencies
Diffstat (limited to 'drivers')
-rw-r--r--drivers/iommu/Kconfig5
-rw-r--r--drivers/iommu/dmar.c2
-rw-r--r--drivers/iommu/of_iommu.c5
3 files changed, 5 insertions, 7 deletions
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index 49bd2ab8c507..f3a21343e636 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -278,7 +278,7 @@ config EXYNOS_IOMMU_DEBUG
config IPMMU_VMSA
bool "Renesas VMSA-compatible IPMMU"
depends on ARM || IOMMU_DMA
- depends on ARCH_RENESAS || COMPILE_TEST
+ depends on ARCH_RENESAS || (COMPILE_TEST && !GENERIC_ATOMIC64)
select IOMMU_API
select IOMMU_IO_PGTABLE_LPAE
select ARM_DMA_USE_IOMMU
@@ -373,7 +373,8 @@ config MTK_IOMMU_V1
config QCOM_IOMMU
# Note: iommu drivers cannot (yet?) be built as modules
bool "Qualcomm IOMMU Support"
- depends on ARCH_QCOM || COMPILE_TEST
+ depends on ARCH_QCOM || (COMPILE_TEST && !GENERIC_ATOMIC64)
+ depends on HAS_DMA
select IOMMU_API
select IOMMU_IO_PGTABLE_LPAE
select ARM_DMA_USE_IOMMU
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
index ca5ebaeafd6a..57c920c1372d 100644
--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -497,7 +497,7 @@ static int dmar_parse_one_rhsa(struct acpi_dmar_header *header, void *arg)
#define dmar_parse_one_rhsa dmar_res_noop
#endif
-static void __init
+static void
dmar_table_print_dmar_entry(struct acpi_dmar_header *header)
{
struct acpi_dmar_hardware_unit *drhd;
diff --git a/drivers/iommu/of_iommu.c b/drivers/iommu/of_iommu.c
index e60e3dba85a0..50947ebb6d17 100644
--- a/drivers/iommu/of_iommu.c
+++ b/drivers/iommu/of_iommu.c
@@ -157,10 +157,7 @@ static int of_pci_iommu_init(struct pci_dev *pdev, u16 alias, void *data)
err = of_iommu_xlate(info->dev, &iommu_spec);
of_node_put(iommu_spec.np);
- if (err)
- return err;
-
- return info->np == pdev->bus->dev.of_node;
+ return err;
}
const struct iommu_ops *of_iommu_configure(struct device *dev,