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iommu/exynos: Add missing set_platform_dma_ops callback

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Add set_platform_dma_ops() required for proper driver operation on ARM
32bit arch after recent changes in the IOMMU framework (detach ops
removal).

Fixes: c1fe9119ee ("iommu: Add set_platform_dma_ops callbacks")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/r/20230123093102.12392-1-m.szyprowski@samsung.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Marek Szyprowski 2023-01-23 10:31:01 +01:00 committed by Joerg Roedel
parent ff489fe002
commit 189d496b48
1 changed files with 5 additions and 0 deletions
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5
drivers/iommu/exynos-iommu.c
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@ -1346,8 +1346,10 @@ static void exynos_iommu_release_device(struct device *dev)
struct iommu_group *group = iommu_group_get(dev);
if (group) {
#ifndef CONFIG_ARM
WARN_ON(owner->domain !=
iommu_group_default_domain(group));
#endif
exynos_iommu_detach_device(owner->domain, dev);
iommu_group_put(group);
}
@ -1398,6 +1400,9 @@ static int exynos_iommu_of_xlate(struct device *dev,
static const struct iommu_ops exynos_iommu_ops = {
.domain_alloc = exynos_iommu_domain_alloc,
.device_group = generic_device_group,
#ifdef CONFIG_ARM
.set_platform_dma_ops = exynos_iommu_release_device,
#endif
.probe_device = exynos_iommu_probe_device,
.release_device = exynos_iommu_release_device,
.pgsize_bitmap = SECT_SIZE | LPAGE_SIZE | SPAGE_SIZE,