diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/iommu/iommu.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index fdea700ca12c..a80c9c5c2650 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -728,6 +728,21 @@ static int get_pci_alias_or_group(struct pci_dev *pdev, u16 alias, void *opaque) } /* + * Generic device_group call-back function. It just allocates one + * iommu-group per device. + */ +struct iommu_group *generic_device_group(struct device *dev) +{ + struct iommu_group *group; + + group = iommu_group_alloc(); + if (IS_ERR(group)) + return NULL; + + return group; +} + +/* * Use standard PCI bus topology, isolation features, and DMA alias quirks * to find or create an IOMMU group for a device. */ |