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authorRobin Murphy <robin.murphy@arm.com>2021-01-27 16:29:29 +0000
committerWill Deacon <will@kernel.org>2021-01-28 21:05:11 +0000
commit3d5eab41451f8e28f3e45eef8f6b372bf56612fb (patch)
treef0cdba49a975450692a0fe54b1115faede56fd3e /drivers/iommu
parentiommu/msm: Hook up iotlb_sync_map (diff)
downloadlinux-dev-3d5eab41451f8e28f3e45eef8f6b372bf56612fb.tar.xz
linux-dev-3d5eab41451f8e28f3e45eef8f6b372bf56612fb.zip
iommu/io-pgtable: Remove TLBI_ON_MAP quirk
IO_PGTABLE_QUIRK_TLBI_ON_MAP is now fully superseded by the core API's iotlb_sync_map callback. Signed-off-by: Robin Murphy <robin.murphy@arm.com> Link: https://lore.kernel.org/r/5abb80bba3a7c371d5ffb7e59c05586deddb9a91.1611764372.git.robin.murphy@arm.com [will: Remove unused 'iop' local variable from arm_v7s_map()] Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/io-pgtable-arm-v7s.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c
index 1d92ac948db7..929cb1518db1 100644
--- a/drivers/iommu/io-pgtable-arm-v7s.c
+++ b/drivers/iommu/io-pgtable-arm-v7s.c
@@ -519,7 +519,6 @@ 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)
{
struct arm_v7s_io_pgtable *data = io_pgtable_ops_to_data(ops);
- struct io_pgtable *iop = &data->iop;
int ret;
if (WARN_ON(iova >= (1ULL << data->iop.cfg.ias) ||
@@ -535,12 +534,7 @@ static int arm_v7s_map(struct io_pgtable_ops *ops, unsigned long iova,
* Synchronise all PTE updates for the new mapping before there's
* a chance for anything to kick off a table walk for the new iova.
*/
- if (iop->cfg.quirks & IO_PGTABLE_QUIRK_TLBI_ON_MAP) {
- io_pgtable_tlb_flush_walk(iop, iova, size,
- ARM_V7S_BLOCK_SIZE(2));
- } else {
- wmb();
- }
+ wmb();
return ret;
}
@@ -759,7 +753,6 @@ static struct io_pgtable *arm_v7s_alloc_pgtable(struct io_pgtable_cfg *cfg,
if (cfg->quirks & ~(IO_PGTABLE_QUIRK_ARM_NS |
IO_PGTABLE_QUIRK_NO_PERMS |
- IO_PGTABLE_QUIRK_TLBI_ON_MAP |
IO_PGTABLE_QUIRK_ARM_MTK_EXT |
IO_PGTABLE_QUIRK_NON_STRICT))
return NULL;