From: John W. Linville Date: Mon, 7 Nov 2005 08:57:54 +0000 (-0800) Subject: [PATCH] ia64: re-implement dma_get_cache_alignment to avoid EXPORT_SYMBOL X-Git-Tag: firefly_0821_release~40835 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e1531b4218a7ccfc1b2234b87105201e5ebe1bbf;p=firefly-linux-kernel-4.4.55.git [PATCH] ia64: re-implement dma_get_cache_alignment to avoid EXPORT_SYMBOL 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 Cc: "Luck, Tony" Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c index fc56ca2da358..3af6de36a482 100644 --- a/arch/ia64/kernel/setup.c +++ b/arch/ia64/kernel/setup.c @@ -92,6 +92,13 @@ extern void efi_initialize_iomem_resources(struct resource *, extern char _text[], _end[], _etext[]; unsigned long ia64_max_cacheline_size; + +int dma_get_cache_alignment(void) +{ + return ia64_max_cacheline_size; +} +EXPORT_SYMBOL(dma_get_cache_alignment); + unsigned long ia64_iobase; /* virtual address for I/O accesses */ EXPORT_SYMBOL(ia64_iobase); struct io_space io_space[MAX_IO_SPACES]; diff --git a/include/asm-ia64/dma-mapping.h b/include/asm-ia64/dma-mapping.h index 6347c9845642..df67d40801de 100644 --- a/include/asm-ia64/dma-mapping.h +++ b/include/asm-ia64/dma-mapping.h @@ -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)