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author | Marek Szyprowski <m.szyprowski@samsung.com> | 2023-01-23 12:31:01 +0300 |
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committer | Joerg Roedel <jroedel@suse.de> | 2023-02-03 12:41:24 +0300 |
commit | 189d496b48b1731f21f19ff3b7109ec724f5dcb2 (patch) | |
tree | cce666c2a7f258c9135a0a1ca090fd7590490433 /drivers/iommu/exynos-iommu.c | |
parent | ff489fe002ab20daf0985f119682474cfda83496 (diff) | |
download | linux-189d496b48b1731f21f19ff3b7109ec724f5dcb2.tar.xz |
iommu/exynos: Add missing set_platform_dma_ops callback
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: c1fe9119ee70 ("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>
Diffstat (limited to 'drivers/iommu/exynos-iommu.c')
-rw-r--r-- | drivers/iommu/exynos-iommu.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c index 29ec713e8a21..7eaa58ced4ae 100644 --- a/drivers/iommu/exynos-iommu.c +++ b/drivers/iommu/exynos-iommu.c @@ -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, |