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https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git
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43fc509c3e
Christoph noticed [1] that default DMA pool in current form overload the DMA coherent infrastructure. In reply, Robin suggested [2] to split the per-device vs. global pool interfaces, so allocation/release from default DMA pool is driven by dma ops implementation. This patch implements Robin's idea and provide interface to allocate/release/mmap the default (aka global) DMA pool. To make it clear that existing *_from_coherent routines work on per-device pool rename them to *_from_dev_coherent. [1] https://lkml.org/lkml/2017/7/7/370 [2] https://lkml.org/lkml/2017/7/7/431 Cc: Vineet Gupta <[email protected]> Cc: Russell King <[email protected]> Cc: Catalin Marinas <[email protected]> Cc: Will Deacon <[email protected]> Cc: Ralf Baechle <[email protected]> Suggested-by: Robin Murphy <[email protected]> Tested-by: Andras Szemzo <[email protected]> Reviewed-by: Robin Murphy <[email protected]> Signed-off-by: Vladimir Murzin <[email protected]> Signed-off-by: Christoph Hellwig <[email protected]> |
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| kernel | ||
| lib | ||
| mm | ||
| oprofile | ||
| plat-axs10x | ||
| plat-eznps | ||
| plat-sim | ||
| plat-tb10x | ||
| Kbuild | ||
| Kconfig | ||
| Kconfig.debug | ||
| Makefile | ||