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dma-mapping: improve selection of dma_declare_coherent availability

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This API is primarily used through DT entries, but two architectures
and two drivers call it directly.  So instead of selecting the config
symbol for random architectures pull it in implicitly for the actual
users.  Also rename the Kconfig option to describe the feature better.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Paul Burton <paul.burton@mips.com> # MIPS
Acked-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christoph Hellwig
2019-02-03 20:12:02 +01:00
parent be4311a262
commit ff4c25f26a
15 changed files with 13 additions and 17 deletions
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kernel/dma/Kconfig
+1 -1
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@@ -16,7 +16,7 @@ config ARCH_DMA_ADDR_T_64BIT
config ARCH_HAS_DMA_COHERENCE_H
bool
config HAVE_GENERIC_DMA_COHERENT
config DMA_DECLARE_COHERENT
bool
config ARCH_HAS_SETUP_DMA_OPS
kernel/dma/Makefile
+1 -1
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@@ -2,7 +2,7 @@
obj-$(CONFIG_HAS_DMA) += mapping.o direct.o dummy.o
obj-$(CONFIG_DMA_CMA) += contiguous.o
obj-$(CONFIG_HAVE_GENERIC_DMA_COHERENT) += coherent.o
obj-$(CONFIG_DMA_DECLARE_COHERENT) += coherent.o
obj-$(CONFIG_DMA_VIRT_OPS) += virt.o
obj-$(CONFIG_DMA_API_DEBUG) += debug.o
obj-$(CONFIG_SWIOTLB) += swiotlb.o