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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 <linville@tuxdriver.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
John W. Linville
2005-11-07 00:57:54 -08:00
committed by Linus Torvalds
parent 4ecc65e423
commit e1531b4218
2 changed files with 8 additions and 6 deletions
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7
arch/ia64/kernel/setup.c
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@@ -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];