Hi Arvind,
On 2017-08-28 14:12, Arvind Yadav wrote:
iommu_ops are not supposed to change at runtime.
Functions 'iommu_device_set_ops' and 'bus_set_iommu' working with
const iommu_ops provided by <linux/iommu.h>. So mark the non-const
structs as const.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
Acked-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
I remember that in the past there were a reason for non-const iommu_ops
in the
IOMMU API, but I hope it has been finally resolved.
---
drivers/iommu/exynos-iommu.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index 2395478..a540016 100644
--- a/drivers/iommu/exynos-iommu.c
+++ b/drivers/iommu/exynos-iommu.c
@@ -569,7 +569,7 @@ static void sysmmu_tlb_invalidate_entry(struct sysmmu_drvdata *data,
spin_unlock_irqrestore(&data->lock, flags);
}
-static struct iommu_ops exynos_iommu_ops;
+static const struct iommu_ops exynos_iommu_ops;
static int __init exynos_sysmmu_probe(struct platform_device *pdev)
{
@@ -1323,7 +1323,7 @@ static int exynos_iommu_of_xlate(struct device *dev,
return 0;
}
-static struct iommu_ops exynos_iommu_ops = {
+static const struct iommu_ops exynos_iommu_ops = {
.domain_alloc = exynos_iommu_domain_alloc,
.domain_free = exynos_iommu_domain_free,
.attach_dev = exynos_iommu_attach_device,
Best regards
--
Marek Szyprowski, PhD
Samsung R&D Institute Poland
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