diff options
| author | Takashi Iwai <tiwai@suse.de> | 2026-04-09 09:31:21 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2026-04-09 09:32:17 +0300 |
| commit | 3f44bccdd6605d5d156c02ea2f861dcd30ef5dcd (patch) | |
| tree | 799286d69c8ea6060573bce2efdc10ea089ed356 /include/linux/dma-mapping.h | |
| parent | 292286b2d229fb732421429b027d38ac3f969383 (diff) | |
| parent | 00afb1811fa638dacf125dd1c343b7a181624dfd (diff) | |
| download | linux-3f44bccdd6605d5d156c02ea2f861dcd30ef5dcd.tar.xz | |
Merge branch 'for-linus' into for-next
Pull 7.0-devel branch for further development of HD-audio codec quirks.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/linux/dma-mapping.h')
| -rw-r--r-- | include/linux/dma-mapping.h | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 29973baa0581..99ef042ecdb4 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -80,11 +80,18 @@ #define DMA_ATTR_MMIO (1UL << 10) /* - * DMA_ATTR_CPU_CACHE_CLEAN: Indicates the CPU will not dirty any cacheline - * overlapping this buffer while it is mapped for DMA. All mappings sharing - * a cacheline must have this attribute for this to be considered safe. + * DMA_ATTR_DEBUGGING_IGNORE_CACHELINES: Indicates the CPU cache line can be + * overlapped. All mappings sharing a cacheline must have this attribute for + * this to be considered safe. */ -#define DMA_ATTR_CPU_CACHE_CLEAN (1UL << 11) +#define DMA_ATTR_DEBUGGING_IGNORE_CACHELINES (1UL << 11) + +/* + * DMA_ATTR_REQUIRE_COHERENT: Indicates that DMA coherency is required. + * All mappings that carry this attribute can't work with SWIOTLB and cache + * flushing. + */ +#define DMA_ATTR_REQUIRE_COHERENT (1UL << 12) /* * A dma_addr_t can hold any valid DMA or bus address for the platform. It can @@ -248,8 +255,8 @@ static inline void *dma_alloc_attrs(struct device *dev, size_t size, { return NULL; } -static void dma_free_attrs(struct device *dev, size_t size, void *cpu_addr, - dma_addr_t dma_handle, unsigned long attrs) +static inline void dma_free_attrs(struct device *dev, size_t size, + void *cpu_addr, dma_addr_t dma_handle, unsigned long attrs) { } static inline void *dmam_alloc_attrs(struct device *dev, size_t size, |