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Commit 8f286c33 authored by Andrew Morton's avatar Andrew Morton Committed by Linus Torvalds
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stop using DMA_xxBIT_MASK 



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

Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 34c65384

include/linux/dma-mapping.h

+8 −2
Original line number Diff line number Diff line
@@ -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)