Commit 42fa2bda authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Joerg Roedel
Browse files

iommu/amd: Remove the unused amd_iommu_get_v2_domain function 



Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20210402143312.372386-3-hch@lst.de


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent d151c85c

drivers/iommu/amd/amd_iommu.h

+0 −1
Original line number Diff line number Diff line
@@ -65,7 +65,6 @@ extern int amd_iommu_flush_tlb(struct iommu_domain *dom, u32 pasid); 
extern int amd_iommu_domain_set_gcr3(struct iommu_domain *dom, u32 pasid,

				     unsigned long cr3);

extern int amd_iommu_domain_clear_gcr3(struct iommu_domain *dom, u32 pasid);

extern struct iommu_domain *amd_iommu_get_v2_domain(struct pci_dev *pdev);



#ifdef CONFIG_IRQ_REMAP

extern int amd_iommu_create_irq_domain(struct amd_iommu *iommu);

drivers/iommu/amd/iommu.c

+0 −34
Original line number Diff line number Diff line
@@ -2522,40 +2522,6 @@ int amd_iommu_complete_ppr(struct pci_dev *pdev, u32 pasid, 
}

EXPORT_SYMBOL(amd_iommu_complete_ppr);



struct iommu_domain *amd_iommu_get_v2_domain(struct pci_dev *pdev)

{

	struct protection_domain *pdomain;

	struct iommu_dev_data *dev_data;

	struct device *dev = &pdev->dev;

	struct iommu_domain *io_domain;



	if (!check_device(dev))

		return NULL;



	dev_data  = dev_iommu_priv_get(&pdev->dev);

	pdomain   = dev_data->domain;

	io_domain = iommu_get_domain_for_dev(dev);



	if (pdomain == NULL && dev_data->defer_attach) {

		dev_data->defer_attach = false;

		pdomain = to_pdomain(io_domain);

		attach_device(dev, pdomain);

	}



	if (pdomain == NULL)

		return NULL;



	if (io_domain->type != IOMMU_DOMAIN_DMA)

		return NULL;



	/* Only return IOMMUv2 domains */

	if (!(pdomain->flags & PD_IOMMUV2_MASK))

		return NULL;



	return &pdomain->domain;

}

EXPORT_SYMBOL(amd_iommu_get_v2_domain);



int amd_iommu_device_info(struct pci_dev *pdev,

                          struct amd_iommu_device_info *info)

{