dma-mapping: use offset_in_page macro
authorGeliang Tang <geliangtang@163.com>
Wed, 20 Jan 2016 23:02:12 +0000 (15:02 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 21 Jan 2016 01:09:18 +0000 (17:09 -0800)
commit8e99469ab0f821bea77625cd4775ca529d4ca7d4
tree13afb3717afb0d0ed1f007a32f87abd6bc4d81ce
parent20d666e41166f8023ff3d960e832d87ded18c5c4
dma-mapping: use offset_in_page macro

Use offset_in_page macro instead of (addr & ~PAGE_MASK).

Signed-off-by: Geliang Tang <geliangtang@163.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Joerg Roedel <jroedel@suse.de>
Cc: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
include/linux/dma-mapping.h