diff options
Diffstat (limited to 'drivers/iommu/iommu.c')
| -rw-r--r-- | drivers/iommu/iommu.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index 8c15c5980299..7e5cb7cf2bbe 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -32,6 +32,7 @@ #include <linux/pci.h> #include <linux/bitops.h> #include <linux/property.h> +#include <linux/fsl/mc.h> #include <trace/events/iommu.h> static struct kset *iommu_group_kset; @@ -1024,6 +1025,18 @@ struct iommu_group *pci_device_group(struct device *dev) return iommu_group_alloc(); } +/* Get the IOMMU group for device on fsl-mc bus */ +struct iommu_group *fsl_mc_device_group(struct device *dev) +{ + struct device *cont_dev = fsl_mc_cont_dev(dev); + struct iommu_group *group; + + group = iommu_group_get(cont_dev); + if (!group) + group = iommu_group_alloc(); + return group; +} + /** * iommu_group_get_for_dev - Find or create the IOMMU group for a device * @dev: target device |