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dma-mapping: move the NEED_DMA_MAP_STATE config symbol to lib/Kconfig

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This way we have one central definition of it, and user can select it as
needed.  Note that we now also always select it when CONFIG_DMA_API_DEBUG
is select, which fixes some incorrect checks in a few network drivers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
This commit is contained in:
Christoph Hellwig 2018-05-09 06:53:49 +02:00
parent 86596f0a28
commit f616ab59c2
15 changed files with 17 additions and 35 deletions
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2
include/linux/dma-mapping.h
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@ -838,7 +838,7 @@ static inline int dma_mmap_wc(struct device *dev,
#define dma_mmap_writecombine dma_mmap_wc
#endif
#if defined(CONFIG_NEED_DMA_MAP_STATE) || defined(CONFIG_DMA_API_DEBUG)
#ifdef CONFIG_NEED_DMA_MAP_STATE
#define DEFINE_DMA_UNMAP_ADDR(ADDR_NAME) dma_addr_t ADDR_NAME
#define DEFINE_DMA_UNMAP_LEN(LEN_NAME) __u32 LEN_NAME
#define dma_unmap_addr(PTR, ADDR_NAME) ((PTR)->ADDR_NAME)