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| author | Marek Szyprowski <m.szyprowski@samsung.com> | 2011-12-29 13:09:51 +0100 |
|---|---|---|
| committer | Marek Szyprowski <m.szyprowski@samsung.com> | 2012-05-21 15:09:38 +0200 |
| commit | 0a2b9a6ea93650b8a00f9fd5ee8fdd25671e2df6 (patch) | |
| tree | c930063ff30882db67e110774bf8b46497d23f15 /arch/x86/include/asm/dma-contiguous.h | |
| parent | c64be2bb1c6eb43c838b2c6d57b074078be208dd (diff) | |
| download | talos-obmc-linux-0a2b9a6ea93650b8a00f9fd5ee8fdd25671e2df6.tar.gz talos-obmc-linux-0a2b9a6ea93650b8a00f9fd5ee8fdd25671e2df6.zip | |
X86: integrate CMA with DMA-mapping subsystem
This patch adds support for CMA to dma-mapping subsystem for x86
architecture that uses common pci-dma/pci-nommu implementation. This
allows to test CMA on KVM/QEMU and a lot of common x86 boxes.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
CC: Michal Nazarewicz <mina86@mina86.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/x86/include/asm/dma-contiguous.h')
| -rw-r--r-- | arch/x86/include/asm/dma-contiguous.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/x86/include/asm/dma-contiguous.h b/arch/x86/include/asm/dma-contiguous.h new file mode 100644 index 000000000000..c09241659971 --- /dev/null +++ b/arch/x86/include/asm/dma-contiguous.h @@ -0,0 +1,13 @@ +#ifndef ASMX86_DMA_CONTIGUOUS_H +#define ASMX86_DMA_CONTIGUOUS_H + +#ifdef __KERNEL__ + +#include <linux/types.h> +#include <asm-generic/dma-contiguous.h> + +static inline void +dma_contiguous_early_fixup(phys_addr_t base, unsigned long size) { } + +#endif +#endif |
