diff options
| author | Marek Szyprowski <m.szyprowski@samsung.com> | 2014-09-16 08:26:40 +0200 |
|---|---|---|
| committer | Seung-Woo Kim <sw0312.kim@samsung.com> | 2016-12-14 13:43:35 +0900 |
| commit | c21d3dea56524b4b31046cd5ae53270f7335862d (patch) | |
| tree | 4c905c9812ea5c6169b9b50e39704e310d7b36e9 /drivers/iommu | |
| parent | f6712a440639e60188cc10039610f3c3a04d5f10 (diff) | |
iommu: exynos: remove useless device_add/remove callbacks
The driver doesn't need to do anything important in device add/remove
callbacks, because initialization will be done from device-tree specific
callbacks added later. IOMMU groups created by current code were never
used.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/exynos-iommu.c | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c index d92aeeabe6c6..395b0d6d9897 100644 --- a/drivers/iommu/exynos-iommu.c +++ b/drivers/iommu/exynos-iommu.c @@ -1062,32 +1062,6 @@ static phys_addr_t exynos_iommu_iova_to_phys(struct iommu_domain *domain, return phys; } -static int exynos_iommu_add_device(struct device *dev) -{ - struct iommu_group *group; - int ret; - - group = iommu_group_get(dev); - - if (!group) { - group = iommu_group_alloc(); - if (IS_ERR(group)) { - dev_err(dev, "Failed to allocate IOMMU group\n"); - return PTR_ERR(group); - } - } - - ret = iommu_group_add_device(group, dev); - iommu_group_put(group); - - return ret; -} - -static void exynos_iommu_remove_device(struct device *dev) -{ - iommu_group_remove_device(dev); -} - static const struct iommu_ops exynos_iommu_ops = { .domain_alloc = exynos_iommu_domain_alloc, .domain_free = exynos_iommu_domain_free, @@ -1097,8 +1071,6 @@ 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, - .add_device = exynos_iommu_add_device, - .remove_device = exynos_iommu_remove_device, .pgsize_bitmap = SECT_SIZE | LPAGE_SIZE | SPAGE_SIZE, }; |