0f690b56fe
IOMMU_SYS_CACHE_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_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: 189339242 Change-Id: Ic812a1fb144a58deb4279c2bf121fc6cc4c3b208 Signed-off-by: Isaac J. Manjarres <isaacm@codeaurora.org> Signed-off-by: Georgi Djakov <quic_c_gdjako@quicinc.com> |
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.. | ||
coherent.c | ||
contiguous.c | ||
debug.c | ||
debug.h | ||
direct.c | ||
direct.h | ||
dummy.c | ||
Kconfig | ||
Makefile | ||
map_benchmark.c | ||
mapping.c | ||
ops_helpers.c | ||
pool.c | ||
remap.c | ||
swiotlb.c |