diff options
| author | Laura Abbott <lauraa@codeaurora.org> | 2013-12-12 23:28:33 +0400 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2013-12-19 21:44:09 +0400 |
| commit | 6ac2104debc235b745265b64d610237a6833fd53 (patch) | |
| tree | 220521d71f3799ec7d1510a00910ffb7efad1722 /arch/arm64/include | |
| parent | c666e8d5cae745b1515898f8b7a033c468a899d0 (diff) | |
| download | linux-6ac2104debc235b745265b64d610237a6833fd53.tar.xz | |
arm64: Enable CMA
arm64 bit targets need the features CMA provides. Add the appropriate
hooks, header files, and Kconfig to allow this to happen.
Cc: Will Deacon <will.deacon@arm.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/include')
| -rw-r--r-- | arch/arm64/include/asm/dma-contiguous.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/dma-contiguous.h b/arch/arm64/include/asm/dma-contiguous.h new file mode 100644 index 000000000000..d6aacb61ff4a --- /dev/null +++ b/arch/arm64/include/asm/dma-contiguous.h @@ -0,0 +1,29 @@ +/* + * Copyright (c) 2013, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _ASM_DMA_CONTIGUOUS_H +#define _ASM_DMA_CONTIGUOUS_H + +#ifdef __KERNEL__ +#ifdef CONFIG_DMA_CMA + +#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 + +#endif |