Commit b169a180 authored by Robin Murphy's avatar Robin Murphy Committed by Joerg Roedel
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iommu/io-pgtable: Remove map/unmap 



With all users now calling {map,unmap}_pages, retire the redundant
single-page callbacks.

Signed-off-by: default avatarRobin Murphy <robin.murphy@arm.com>
Acked-by: default avatarWill Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/a5a3cbf95c3279982e378cc43dad830322a59868.1668100209.git.robin.murphy@arm.com


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent b9bf41e2

include/linux/io-pgtable.h

+0 −6
Original line number Diff line number Diff line
@@ -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);