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iommu/io-pgtable-arm-v7s: Remove map/unmap

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With all users now calling {map,unmap}_pages, remove the wrappers.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/98481dd7e3576b74149ce2de8f217338ee1dd490.1668100209.git.robin.murphy@arm.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Robin Murphy 2022-11-15 15:26:42 +00:00 committed by Joerg Roedel
parent 99cbb8e436
commit b9bf41e249
1 changed files with 15 additions and 26 deletions
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41
drivers/iommu/io-pgtable-arm-v7s.c
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@ -564,8 +564,7 @@ static int arm_v7s_map_pages(struct io_pgtable_ops *ops, unsigned long iova,
iova += pgsize;
paddr += pgsize;
if (mapped)
*mapped += pgsize;
*mapped += pgsize;
}
/*
* Synchronise all PTE updates for the new mapping before there's
@ -576,12 +575,6 @@ static int arm_v7s_map_pages(struct io_pgtable_ops *ops, unsigned long iova,
return ret;
}
static int arm_v7s_map(struct io_pgtable_ops *ops, unsigned long iova,
phys_addr_t paddr, size_t size, int prot, gfp_t gfp)
{
return arm_v7s_map_pages(ops, iova, paddr, size, 1, prot, gfp, NULL);
}
static void arm_v7s_free_pgtable(struct io_pgtable *iop)
{
struct arm_v7s_io_pgtable *data = io_pgtable_to_data(iop);
@ -764,12 +757,6 @@ static size_t arm_v7s_unmap_pages(struct io_pgtable_ops *ops, unsigned long iova
return unmapped;
}
static size_t arm_v7s_unmap(struct io_pgtable_ops *ops, unsigned long iova,
size_t size, struct iommu_iotlb_gather *gather)
{
return arm_v7s_unmap_pages(ops, iova, size, 1, gather);
}
static phys_addr_t arm_v7s_iova_to_phys(struct io_pgtable_ops *ops,
unsigned long iova)
{
@ -842,9 +829,7 @@ static struct io_pgtable *arm_v7s_alloc_pgtable(struct io_pgtable_cfg *cfg,
goto out_free_data;
data->iop.ops = (struct io_pgtable_ops) {
.map = arm_v7s_map,
.map_pages = arm_v7s_map_pages,
.unmap = arm_v7s_unmap,
.unmap_pages = arm_v7s_unmap_pages,
.iova_to_phys = arm_v7s_iova_to_phys,
};
@ -954,6 +939,7 @@ static int __init arm_v7s_do_selftests(void)
};
unsigned int iova, size, iova_start;
unsigned int i, loopnr = 0;
size_t mapped;
selftest_running = true;
@ -984,15 +970,16 @@ static int __init arm_v7s_do_selftests(void)
iova = 0;
for_each_set_bit(i, &cfg.pgsize_bitmap, BITS_PER_LONG) {
size = 1UL << i;
if (ops->map(ops, iova, iova, size, IOMMU_READ |
IOMMU_WRITE |
IOMMU_NOEXEC |
IOMMU_CACHE, GFP_KERNEL))
if (ops->map_pages(ops, iova, iova, size, 1,
IOMMU_READ | IOMMU_WRITE |
IOMMU_NOEXEC | IOMMU_CACHE,
GFP_KERNEL, &mapped))
return __FAIL(ops);
/* Overlapping mappings */
if (!ops->map(ops, iova, iova + size, size,
IOMMU_READ | IOMMU_NOEXEC, GFP_KERNEL))
if (!ops->map_pages(ops, iova, iova + size, size, 1,
IOMMU_READ | IOMMU_NOEXEC, GFP_KERNEL,
&mapped))
return __FAIL(ops);
if (ops->iova_to_phys(ops, iova + 42) != (iova + 42))
@ -1007,11 +994,12 @@ static int __init arm_v7s_do_selftests(void)
size = 1UL << __ffs(cfg.pgsize_bitmap);
while (i < loopnr) {
iova_start = i * SZ_16M;
if (ops->unmap(ops, iova_start + size, size, NULL) != size)
if (ops->unmap_pages(ops, iova_start + size, size, 1, NULL) != size)
return __FAIL(ops);
/* Remap of partial unmap */
if (ops->map(ops, iova_start + size, size, size, IOMMU_READ, GFP_KERNEL))
if (ops->map_pages(ops, iova_start + size, size, size, 1,
IOMMU_READ, GFP_KERNEL, &mapped))
return __FAIL(ops);
if (ops->iova_to_phys(ops, iova_start + size + 42)
@ -1025,14 +1013,15 @@ static int __init arm_v7s_do_selftests(void)
for_each_set_bit(i, &cfg.pgsize_bitmap, BITS_PER_LONG) {
size = 1UL << i;
if (ops->unmap(ops, iova, size, NULL) != size)
if (ops->unmap_pages(ops, iova, size, 1, NULL) != size)
return __FAIL(ops);
if (ops->iova_to_phys(ops, iova + 42))
return __FAIL(ops);
/* Remap full block */
if (ops->map(ops, iova, iova, size, IOMMU_WRITE, GFP_KERNEL))
if (ops->map_pages(ops, iova, iova, size, 1, IOMMU_WRITE,
GFP_KERNEL, &mapped))
return __FAIL(ops);
if (ops->iova_to_phys(ops, iova + 42) != (iova + 42))