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authorRobin Murphy <robin.murphy@arm.com>2023-09-12 19:18:42 +0300
committerJoerg Roedel <jroedel@suse.de>2023-09-25 13:04:37 +0300
commit39f823dfb59e8a4f718a16e8a1cdac32d42804ad (patch)
treef0db1ecdea924963fa3c13996e4f332511b2a209 /drivers/iommu/tegra-smmu.c
parent8c63d1e3d3a04d99684ad6f6af7f4bb641fd6928 (diff)
downloadlinux-39f823dfb59e8a4f718a16e8a1cdac32d42804ad.tar.xz
iommu/tegra-smmu: Update to {map,unmap}_pages
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@arm.com> Link: https://lore.kernel.org/r/338c520ed947d6d5b9d0509ccb4588908bd9ce1e.1694525662.git.robin.murphy@arm.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/tegra-smmu.c')
-rw-r--r--drivers/iommu/tegra-smmu.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index 1764a63347b0..d3cb966abfc3 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -764,7 +764,8 @@ __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;
@@ -774,11 +775,14 @@ 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;
@@ -995,8 +999,8 @@ 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,
}