[PATCH 9/9] iommu/io-pgtable: Remove map/unmap
Robin Murphy
robin.murphy at arm.com
Tue Nov 15 07:26:43 PST 2022
With all users now calling {map,unmap}_pages, retire the redundant
single-page callbacks.
Signed-off-by: Robin Murphy <robin.murphy at arm.com>
---
include/linux/io-pgtable.h | 6 ------
1 file changed, 6 deletions(-)
diff --git a/include/linux/io-pgtable.h b/include/linux/io-pgtable.h
index 1f068dfdb140..1b7a44b35616 100644
--- a/include/linux/io-pgtable.h
+++ b/include/linux/io-pgtable.h
@@ -150,9 +150,7 @@ struct io_pgtable_cfg {
/**
* struct io_pgtable_ops - Page table manipulation API for IOMMU drivers.
*
- * @map: Map a physically contiguous memory region.
* @map_pages: Map a physically contiguous range of pages of the same size.
- * @unmap: Unmap a physically contiguous memory region.
* @unmap_pages: Unmap a range of virtually contiguous pages of the same size.
* @iova_to_phys: Translate iova to physical address.
*
@@ -160,13 +158,9 @@ struct io_pgtable_cfg {
* the same names.
*/
struct io_pgtable_ops {
- int (*map)(struct io_pgtable_ops *ops, unsigned long iova,
- phys_addr_t paddr, size_t size, int prot, gfp_t gfp);
int (*map_pages)(struct io_pgtable_ops *ops, unsigned long iova,
phys_addr_t paddr, size_t pgsize, size_t pgcount,
int prot, gfp_t gfp, size_t *mapped);
- size_t (*unmap)(struct io_pgtable_ops *ops, unsigned long iova,
- size_t size, struct iommu_iotlb_gather *gather);
size_t (*unmap_pages)(struct io_pgtable_ops *ops, unsigned long iova,
size_t pgsize, size_t pgcount,
struct iommu_iotlb_gather *gather);
--
2.36.1.dirty
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