diff options
| author | Will Deacon <will@kernel.org> | 2022-06-10 16:12:28 +0100 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2022-07-05 13:06:31 +0100 |
| commit | 7eacf1858bc86fe93b457c529a3a40e8b94d5af1 (patch) | |
| tree | 494c9a63a4497c850a71218fc00579e1f860d357 /arch/arm64/include/asm/cacheflush.h | |
| parent | 4890cc18f94979b406f95708f8cb238eb2d0e5a9 (diff) | |
| download | linux-7eacf1858bc86fe93b457c529a3a40e8b94d5af1.tar.gz | |
arm64: mm: Remove assembly DMA cache maintenance wrappers
Remove the __dma_{flush,map,unmap}_area assembly wrappers and call the
appropriate cache maintenance functions directly from the DMA mapping
callbacks.
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20220610151228.4562-3-will@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64/include/asm/cacheflush.h')
| -rw-r--r-- | arch/arm64/include/asm/cacheflush.h | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/arch/arm64/include/asm/cacheflush.h b/arch/arm64/include/asm/cacheflush.h index 5a228e203ef9..37185e978aeb 100644 --- a/arch/arm64/include/asm/cacheflush.h +++ b/arch/arm64/include/asm/cacheflush.h @@ -105,13 +105,6 @@ static inline void flush_icache_range(unsigned long start, unsigned long end) #define flush_icache_range flush_icache_range /* - * Cache maintenance functions used by the DMA API. No to be used directly. - */ -extern void __dma_map_area(const void *, size_t, int); -extern void __dma_unmap_area(const void *, size_t, int); -extern void __dma_flush_area(const void *, size_t); - -/* * Copy user data from/to a page which is mapped into a different * processes address space. Really, we want to allow our "user * space" model to handle this. |