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[PATCH] ia64: re-implement dma_get_cache_alignment to avoid EXPORT_SYMBOL

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The current ia64 implementation of dma_get_cache_alignment does not work
for modules because it relies on a symbol which is not exported.  Direct
access to a global is a little ugly anyway, so this patch re-implements
dma_get_cache_alignment in a manner similar to what is currently used for
x86_64.

Signed-off-by: John W. Linville <[email protected]>
Cc: "Luck, Tony" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
John W. Linville 2005-11-07 00:57:54 -08:00 • committed by Linus Torvalds
commit e1531b4218
2 changed files with 8 additions and 6 deletions
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7
include/asm-ia64/dma-mapping.h
View file

@ -48,12 +48,7 @@ dma_set_mask (struct device *dev, u64 mask)
return 0;
}
static inline int
dma_get_cache_alignment (void)
{
extern int ia64_max_cacheline_size;
return ia64_max_cacheline_size;
}
extern int dma_get_cache_alignment(void);
static inline void
dma_cache_sync (void *vaddr, size_t size, enum dma_data_direction dir)