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| author | Leon Romanovsky <leonro@nvidia.com> | 2026-05-01 09:35:07 +0300 |
|---|---|---|
| committer | Marek Szyprowski <m.szyprowski@samsung.com> | 2026-05-08 22:28:19 +0200 |
| commit | 5da80b8fb38006c7e79b06cba711c28219f17ab2 (patch) | |
| tree | 22c8f79e50794de74db33620551c5cab954548f3 | |
| parent | 9d625aa2ebd445868955719e0abcf695b43f9318 (diff) | |
| download | linux-next-5da80b8fb38006c7e79b06cba711c28219f17ab2.tar.gz linux-next-5da80b8fb38006c7e79b06cba711c28219f17ab2.zip | |
dma-debug: Remove unused DMA attribute parameter
debug_dma_alloc_pages() always receives a DMA attribute value of 0,
because dma_alloc_pages() never receives any attributes from its callers.
As preparation for upcoming patches, remove this unused attribute from
the debug routine.
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Reviewed-by: Samiullah Khawaja <skhawaja@google.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/r/20260501-dma-attrs-debug-v2-3-8dbac75cd501@nvidia.com
| -rw-r--r-- | kernel/dma/debug.c | 5 | ||||
| -rw-r--r-- | kernel/dma/debug.h | 6 | ||||
| -rw-r--r-- | kernel/dma/mapping.c | 2 |
3 files changed, 5 insertions, 8 deletions
diff --git a/kernel/dma/debug.c b/kernel/dma/debug.c index 1a725edbbbf6..3b53495337f5 100644 --- a/kernel/dma/debug.c +++ b/kernel/dma/debug.c @@ -1567,8 +1567,7 @@ void debug_dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, void debug_dma_alloc_pages(struct device *dev, struct page *page, size_t size, int direction, - dma_addr_t dma_addr, - unsigned long attrs) + dma_addr_t dma_addr) { struct dma_debug_entry *entry; @@ -1586,7 +1585,7 @@ void debug_dma_alloc_pages(struct device *dev, struct page *page, entry->dev_addr = dma_addr; entry->direction = direction; - add_dma_entry(entry, attrs); + add_dma_entry(entry, 0); } void debug_dma_free_pages(struct device *dev, struct page *page, diff --git a/kernel/dma/debug.h b/kernel/dma/debug.h index da7be0bddcf6..24b8610850fb 100644 --- a/kernel/dma/debug.h +++ b/kernel/dma/debug.h @@ -47,8 +47,7 @@ extern void debug_dma_sync_sg_for_device(struct device *dev, int nelems, int direction); extern void debug_dma_alloc_pages(struct device *dev, struct page *page, size_t size, int direction, - dma_addr_t dma_addr, - unsigned long attrs); + dma_addr_t dma_addr); extern void debug_dma_free_pages(struct device *dev, struct page *page, size_t size, int direction, dma_addr_t dma_addr); @@ -113,8 +112,7 @@ static inline void debug_dma_sync_sg_for_device(struct device *dev, static inline void debug_dma_alloc_pages(struct device *dev, struct page *page, size_t size, int direction, - dma_addr_t dma_addr, - unsigned long attrs) + dma_addr_t dma_addr) { } diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c index 23ed8eb9233e..6cbefbd4158c 100644 --- a/kernel/dma/mapping.c +++ b/kernel/dma/mapping.c @@ -733,7 +733,7 @@ struct page *dma_alloc_pages(struct device *dev, size_t size, if (page) { trace_dma_alloc_pages(dev, page_to_virt(page), *dma_handle, size, dir, gfp, 0); - debug_dma_alloc_pages(dev, page, size, dir, *dma_handle, 0); + debug_dma_alloc_pages(dev, page, size, dir, *dma_handle); } else { trace_dma_alloc_pages(dev, NULL, 0, size, dir, gfp, 0); } |