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Subject[PATCH v4 13/16] iommu/arm-smmu-v3: Allow building as a module
Date
By removing the redundant call to 'pci_request_acs()' we can allow the
ARM SMMUv3 driver to be built as a module.

Signed-off-by: Will Deacon <will@kernel.org>
---
drivers/iommu/Kconfig | 2 +-
drivers/iommu/arm-smmu-v3.c | 3 +--
2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index 0b9d78a0f3ac..31f0f376ad11 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -394,7 +394,7 @@ config ARM_SMMU_DISABLE_BYPASS_BY_DEFAULT
config.

config ARM_SMMU_V3
- bool "ARM Ltd. System MMU Version 3 (SMMUv3) Support"
+ tristate "ARM Ltd. System MMU Version 3 (SMMUv3) Support"
depends on ARM64
select IOMMU_API
select IOMMU_IO_PGTABLE_LPAE
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
index da9474a02668..2a65d9b87125 100644
--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -2733,6 +2733,7 @@ static struct iommu_ops arm_smmu_ops = {
.get_resv_regions = arm_smmu_get_resv_regions,
.put_resv_regions = arm_smmu_put_resv_regions,
.pgsize_bitmap = -1UL, /* Restricted during device attach */
+ .owner = THIS_MODULE,
};

/* Probing and initialisation functions */
@@ -3571,8 +3572,6 @@ static int arm_smmu_set_bus_ops(struct iommu_ops *ops)

#ifdef CONFIG_PCI
if (pci_bus_type.iommu_ops != ops) {
- if (ops)
- pci_request_acs();
err = bus_set_iommu(&pci_bus_type, ops);
if (err)
return err;
--
2.24.1.735.g03f4e72817-goog
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