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![]() The implementation of dma_map_single() and dma_unmap_single() is exactly the same for all the architectures that support them. Factor them out to <linux/dma-mapping.h>, and make all drivers to include <linux/dma-mapping.h> instead of <asm/dma-mapping.h>. If we need to differentiate them for some architectures, we can move the generic definitions to <asm-generic/dma-mapping.h>. Add some comments to the helpers. The concept is quite similar to the DMA-API of Linux kernel. Drivers are agnostic about what is going on behind the scene. Just call dma_map_single() before the DMA, and dma_unmap_single() after it. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> |
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ti | ||
apbh_dma.c | ||
bcm6348-iudma.c | ||
dma-uclass.c | ||
fsl_dma.c | ||
Kconfig | ||
keystone_nav_cfg.c | ||
keystone_nav.c | ||
lpc32xx_dma.c | ||
Makefile | ||
MCD_dmaApi.c | ||
MCD_tasks.c | ||
MCD_tasksInit.c | ||
sandbox-dma-test.c | ||
ti-edma3.c |