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arc: remove CONFIG_ARC_PLAT_NEEDS_PHYS_TO_DMA
authorChristoph Hellwig <hch@lst.de>
Wed, 20 Dec 2017 10:57:40 +0000 (11:57 +0100)
committerChristoph Hellwig <hch@lst.de>
Tue, 9 Jan 2018 15:28:37 +0000 (16:28 +0100)
commit57723cb363ffb3071c7b4ca27927e7e34f26fb2f
treec485b9840466370b963a941d455c8fe515569acc
parentc91a7a405bc4f80f87b7fdda492154cfd17987e0
arc: remove CONFIG_ARC_PLAT_NEEDS_PHYS_TO_DMA

We always use the stub definitions, so remove the unused other code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Vineet Gupta <vgupta@synopsys.com>
arch/arc/Kconfig
arch/arc/include/asm/dma-mapping.h
arch/arc/mm/dma.c