7cfc6861b8
IOMMU_SYS_CACHE_ONLY_NWA allows buffers for non-coherent devices to be mapped with the correct memory attributes so that the buffers can be cached in the system cache, with a no write allocate cache policy. However, this property is only usable by drivers that invoke the IOMMU API directly; it is not usable by drivers that use the DMA API. Thus, introduce DMA_ATTR_SYS_CACHE_ONLY_NWA, so that drivers for non-coherent devices that use the DMA API can use it to specify if they want a buffer to be cached in the system cache. Bug: 176778547 Change-Id: Ic812a1fb144a58deb4279c2bf121fc6cc4c3b208 Signed-off-by: Isaac J. Manjarres <isaacm@codeaurora.org> |
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| .. | ||
| coherent.c | ||
| contiguous.c | ||
| debug.c | ||
| debug.h | ||
| direct.c | ||
| direct.h | ||
| dummy.c | ||
| Kconfig | ||
| Makefile | ||
| mapping.c | ||
| ops_helpers.c | ||
| pool.c | ||
| remap.c | ||
| swiotlb.c | ||
| virt.c | ||