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509cb37e17
Commit 9ac7849e35 causes this on S390:
drivers/built-in.o: In function `dmam_noncoherent_release':
dma-mapping.c:(.text+0x1515c): undefined reference to `dma_free_noncoherent'
drivers/built-in.o: In function `dmam_free_noncoherent':
undefined reference to `dma_free_noncoherent'
drivers/built-in.o: In function `dmam_alloc_noncoherent':
undefined reference to `dma_alloc_noncoherent'
make: *** [.tmp_vmlinux1] Error 1
Cc: Tejun Heo <htejun@gmail.com>
Acked-by: Jeff Garzik <jeff@garzik.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
25 lines
579 B
C
25 lines
579 B
C
#ifndef _ASM_GENERIC_DMA_MAPPING_H
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#define _ASM_GENERIC_DMA_MAPPING_H
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/* This is used for archs that do not support DMA */
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static inline void *
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dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
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gfp_t flag)
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{
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BUG();
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return NULL;
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}
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static inline void
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dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
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dma_addr_t dma_handle)
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{
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BUG();
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}
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#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
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#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
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#endif /* _ASM_GENERIC_DMA_MAPPING_H */
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