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use DMA_BIT_MASK instead of inline constant
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Use DMA_BIT_MASK(24) instead of 0x00ffffff in DMA-mapping.txt

Signed-off-by: Marin Mitov <mitov@issp.bas.bg>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Marin Mitov authored and Linus Torvalds committed Dec 10, 2009
1 parent 472c064 commit 038f7d0
Showing 1 changed file with 1 addition and 1 deletion.
2 changes: 1 addition & 1 deletion Documentation/DMA-mapping.txt
Original file line number Diff line number Diff line change
Expand Up @@ -214,7 +214,7 @@ most specific mask.
Here is pseudo-code showing how this might be done:

#define PLAYBACK_ADDRESS_BITS DMA_BIT_MASK(32)
#define RECORD_ADDRESS_BITS 0x00ffffff
#define RECORD_ADDRESS_BITS DMA_BIT_MASK(24)

struct my_sound_card *card;
struct pci_dev *pdev;
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