Merge tag 'mfd-fixes-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

[karo-tx-linux.git] / drivers / iommu / amd_iommu_init.c

diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index 5ef347a13cb5d54789c07869b0527d81cb24365e..1b066e7d144d6fdc0043cfbfa340ce2e7a209c50 100644 (file)
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -1256,6 +1256,9 @@ static int iommu_init_pci(struct amd_iommu *iommu)
        if (!iommu->dev)
                return -ENODEV;
 
+       /* Prevent binding other PCI device drivers to IOMMU devices */
+       iommu->dev->match_driver = false;
+
        pci_read_config_dword(iommu->dev, cap_ptr + MMIO_CAP_HDR_OFFSET,
                              &iommu->cap);
        pci_read_config_dword(iommu->dev, cap_ptr + MMIO_RANGE_OFFSET,