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stop using DMA_xxBIT_MASK

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Now that we have DMA_BIT_MASK(), these macros are pointless.

Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andrew Morton 2007-10-18 03:05:07 -07:00 committed by Linus Torvalds
parent 34c6538413
commit 8f286c33f1
1 changed files with 8 additions and 2 deletions
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10
include/linux/dma-mapping.h
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@ -13,9 +13,15 @@ enum dma_data_direction {
DMA_NONE = 3,
};
#define DMA_BIT_MASK(n) ((1ULL<<(n))-1)
#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
#define DMA_64BIT_MASK (~0ULL)
/*
* NOTE: do not use the below macros in new code and do not add new definitions
* here.
*
* Instead, just open-code DMA_BIT_MASK(n) within your driver
*/
#define DMA_64BIT_MASK DMA_BIT_MASK(64)
#define DMA_48BIT_MASK DMA_BIT_MASK(48)
#define DMA_47BIT_MASK DMA_BIT_MASK(47)
#define DMA_40BIT_MASK DMA_BIT_MASK(40)