From: Will Deacon Date: Thu, 19 Dec 2019 12:03:49 +0000 (+0000) Subject: iommu/arm-smmu-v3: Allow building as a module X-Git-Tag: v5.6-rc1~53^2^2~4 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=2852ad05e3e9c97bfd14f1f480ee45128424c143;p=linux.git iommu/arm-smmu-v3: Allow building as a module 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 Tested-by: John Garry # smmu v3 Reviewed-by: Greg Kroah-Hartman Signed-off-by: Joerg Roedel --- 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;