diff options
| author | Leon Romanovsky <leonro@nvidia.com> | 2025-10-15 12:12:48 +0300 |
|---|---|---|
| committer | Marek Szyprowski <m.szyprowski@samsung.com> | 2025-10-29 10:27:29 +0100 |
| commit | 45fa6d190de79aa8698288a949e242b3d3b8161c (patch) | |
| tree | 956a641837414208a2808dba1cfc96162ad44964 | |
| parent | ed7fc3cbb38ffdca7a189e15982ce96acab4684c (diff) | |
dma-mapping: convert dummy ops to physical address mapping
Change dma_dummy_map_page and dma_dummy_unmap_page routines
to accept physical address and rename them.
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/r/20251015-remove-map-page-v5-2-3bbfe3a25cdf@kernel.org
| -rw-r--r-- | kernel/dma/dummy.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/kernel/dma/dummy.c b/kernel/dma/dummy.c index 92de80e5b057..16a51736a2a3 100644 --- a/kernel/dma/dummy.c +++ b/kernel/dma/dummy.c @@ -11,17 +11,16 @@ static int dma_dummy_mmap(struct device *dev, struct vm_area_struct *vma, return -ENXIO; } -static dma_addr_t dma_dummy_map_page(struct device *dev, struct page *page, - unsigned long offset, size_t size, enum dma_data_direction dir, - unsigned long attrs) +static dma_addr_t dma_dummy_map_phys(struct device *dev, phys_addr_t phys, + size_t size, enum dma_data_direction dir, unsigned long attrs) { return DMA_MAPPING_ERROR; } -static void dma_dummy_unmap_page(struct device *dev, dma_addr_t dma_handle, +static void dma_dummy_unmap_phys(struct device *dev, dma_addr_t dma_handle, size_t size, enum dma_data_direction dir, unsigned long attrs) { /* - * Dummy ops doesn't support map_page, so unmap_page should never be + * Dummy ops doesn't support map_phys, so unmap_page should never be * called. */ WARN_ON_ONCE(true); @@ -51,8 +50,8 @@ static int dma_dummy_supported(struct device *hwdev, u64 mask) const struct dma_map_ops dma_dummy_ops = { .mmap = dma_dummy_mmap, - .map_page = dma_dummy_map_page, - .unmap_page = dma_dummy_unmap_page, + .map_phys = dma_dummy_map_phys, + .unmap_phys = dma_dummy_unmap_phys, .map_sg = dma_dummy_map_sg, .unmap_sg = dma_dummy_unmap_sg, .dma_supported = dma_dummy_supported, |