Hi Krzysztof,
On Thu, Jun 2, 2016 at 5:39 PM, Krzysztof Kozlowski k.kozlowski@samsung.com wrote:
--- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -5,13 +5,25 @@
+/**
- List of possible attributes associated with a DMA mapping. The semantics
- of each attribute should be defined in Documentation/DMA-attributes.txt.
- */
+#define DMA_ATTR_WRITE_BARRIER (1UL << 1)
Any particular reason they start at 2, not 1?
+#define DMA_ATTR_WEAK_ORDERING (1UL << 2) +#define DMA_ATTR_WRITE_COMBINE (1UL << 3) +#define DMA_ATTR_NON_CONSISTENT (1UL << 4) +#define DMA_ATTR_NO_KERNEL_MAPPING (1UL << 5) +#define DMA_ATTR_SKIP_CPU_SYNC (1UL << 6) +#define DMA_ATTR_FORCE_CONTIGUOUS (1UL << 7) +#define DMA_ATTR_ALLOC_SINGLE_PAGES (1UL << 8)
Gr{oetje,eeting}s,
Geert
-- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds