From 42fa2bda18d2d666e184dbd0406ec8340b4f4b17 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Fri, 2 Apr 2021 16:33:10 +0200
Subject: [PATCH] iommu/amd: Remove the unused amd_iommu_get_v2_domain function
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20210402143312.372386-3-hch@lst.de
Signed-off-by: Joerg Roedel <jroedel@suse.de>
---
drivers/iommu/amd/amd_iommu.h | 1 -
drivers/iommu/amd/iommu.c | 34 ----------------------------------
2 files changed, 35 deletions(-)
diff --git a/drivers/iommu/amd/amd_iommu.h b/drivers/iommu/amd/amd_iommu.h
index 026ce7f8d993b..ed46dc754a2ad 100644
--- a/drivers/iommu/amd/amd_iommu.h
+++ b/drivers/iommu/amd/amd_iommu.h
@@ -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);
diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c
index 9b1a01602bb33..a519aaec50e46 100644
--- a/drivers/iommu/amd/iommu.c
+++ b/drivers/iommu/amd/iommu.c
@@ -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)
{