Since iommu_group_get_for_dev() already tries iommu_group_get() and will not call ops->device_group if the group is already non-NULL, the check in get_device_iommu_group() is always redundant and it reduces to a duplicate of the generic version; let's just use that one instead.
Signed-off-by: Robin Murphy <[email protected]> --- drivers/iommu/exynos-iommu.c | 13 +------------ 1 file changed, 1 insertion(+), 12 deletions(-) diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c index 79c45650f8de..5d5a9b0a0561 100644 --- a/drivers/iommu/exynos-iommu.c +++ b/drivers/iommu/exynos-iommu.c @@ -1238,17 +1238,6 @@ static phys_addr_t exynos_iommu_iova_to_phys(struct iommu_domain *iommu_domain, return phys; } -static struct iommu_group *get_device_iommu_group(struct device *dev) -{ - struct iommu_group *group; - - group = iommu_group_get(dev); - if (!group) - group = iommu_group_alloc(); - - return group; -} - static int exynos_iommu_add_device(struct device *dev) { struct exynos_iommu_owner *owner = dev->archdata.iommu; @@ -1344,7 +1333,7 @@ static const struct iommu_ops exynos_iommu_ops = { .unmap = exynos_iommu_unmap, .map_sg = default_iommu_map_sg, .iova_to_phys = exynos_iommu_iova_to_phys, - .device_group = get_device_iommu_group, + .device_group = generic_device_group, .add_device = exynos_iommu_add_device, .remove_device = exynos_iommu_remove_device, .pgsize_bitmap = SECT_SIZE | LPAGE_SIZE | SPAGE_SIZE, -- 2.15.1.dirty _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
