[PATCH 6/8] iommu/tegra-smmu: Update to {map,unmap}_pages
Robin Murphy
robin.murphy at arm.com
Tue Sep 12 09:18:42 PDT 2023
Trivially update map/unmap to the new interface, which is quite happy
for drivers to still process just one page per call.
Signed-off-by: Robin Murphy <robin.murphy at arm.com>
---
drivers/iommu/tegra-smmu.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index e445f80d0226..4cd2153bb076 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -751,7 +751,8 @@ __tegra_smmu_unmap(struct iommu_domain *domain, unsigned long iova,
}
static int tegra_smmu_map(struct iommu_domain *domain, unsigned long iova,
- phys_addr_t paddr, size_t size, int prot, gfp_t gfp)
+ phys_addr_t paddr, size_t size, size_t count,
+ int prot, gfp_t gfp, size_t *mapped)
{
struct tegra_smmu_as *as = to_smmu_as(domain);
unsigned long flags;
@@ -761,11 +762,14 @@ static int tegra_smmu_map(struct iommu_domain *domain, unsigned long iova,
ret = __tegra_smmu_map(domain, iova, paddr, size, prot, gfp, &flags);
spin_unlock_irqrestore(&as->lock, flags);
+ if (!ret)
+ *mapped = size;
+
return ret;
}
static size_t tegra_smmu_unmap(struct iommu_domain *domain, unsigned long iova,
- size_t size, struct iommu_iotlb_gather *gather)
+ size_t size, size_t count, struct iommu_iotlb_gather *gather)
{
struct tegra_smmu_as *as = to_smmu_as(domain);
unsigned long flags;
@@ -971,8 +975,8 @@ static const struct iommu_ops tegra_smmu_ops = {
.pgsize_bitmap = SZ_4K,
.default_domain_ops = &(const struct iommu_domain_ops) {
.attach_dev = tegra_smmu_attach_dev,
- .map = tegra_smmu_map,
- .unmap = tegra_smmu_unmap,
+ .map_pages = tegra_smmu_map,
+ .unmap_pages = tegra_smmu_unmap,
.iova_to_phys = tegra_smmu_iova_to_phys,
.free = tegra_smmu_domain_free,
}
--
2.39.2.101.g768bb238c484.dirty
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