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Commit d68412b6 authored by Jiri Slaby's avatar Jiri Slaby Committed by Linus Torvalds
Browse files

dma-mapping: mark DMA_nBITS_MASK as deprecated 



Mark them deprecated so that out-of-tree developers get notified about
this before their modules break when these macros are removed.

Signed-off-by: default avatarJiri Slaby <jirislaby@gmail.com>
Cc: Yang Hongyang <yanghy@cn.fujitsu.com>
Acked-by: default avatarFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 8e20ce94

include/linux/dma-mapping.h

+14 −12
Original line number Diff line number Diff line
@@ -63,24 +63,26 @@ struct dma_map_ops { 


#define DMA_BIT_MASK(n)	(((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))



typedef u64 DMA_nnBIT_MASK __deprecated;



/*

 * 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)

#define DMA_39BIT_MASK	DMA_BIT_MASK(39)

#define DMA_35BIT_MASK	DMA_BIT_MASK(35)

#define DMA_32BIT_MASK	DMA_BIT_MASK(32)

#define DMA_31BIT_MASK	DMA_BIT_MASK(31)

#define DMA_30BIT_MASK	DMA_BIT_MASK(30)

#define DMA_29BIT_MASK	DMA_BIT_MASK(29)

#define DMA_28BIT_MASK	DMA_BIT_MASK(28)

#define DMA_24BIT_MASK	DMA_BIT_MASK(24)

#define DMA_64BIT_MASK	(DMA_nnBIT_MASK)DMA_BIT_MASK(64)

#define DMA_48BIT_MASK	(DMA_nnBIT_MASK)DMA_BIT_MASK(48)

#define DMA_47BIT_MASK	(DMA_nnBIT_MASK)DMA_BIT_MASK(47)

#define DMA_40BIT_MASK	(DMA_nnBIT_MASK)DMA_BIT_MASK(40)

#define DMA_39BIT_MASK	(DMA_nnBIT_MASK)DMA_BIT_MASK(39)

#define DMA_35BIT_MASK	(DMA_nnBIT_MASK)DMA_BIT_MASK(35)

#define DMA_32BIT_MASK	(DMA_nnBIT_MASK)DMA_BIT_MASK(32)

#define DMA_31BIT_MASK	(DMA_nnBIT_MASK)DMA_BIT_MASK(31)

#define DMA_30BIT_MASK	(DMA_nnBIT_MASK)DMA_BIT_MASK(30)

#define DMA_29BIT_MASK	(DMA_nnBIT_MASK)DMA_BIT_MASK(29)

#define DMA_28BIT_MASK	(DMA_nnBIT_MASK)DMA_BIT_MASK(28)

#define DMA_24BIT_MASK	(DMA_nnBIT_MASK)DMA_BIT_MASK(24)



#define DMA_MASK_NONE	0x0ULL