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scatterlist: move the NEED_SG_DMA_LENGTH config symbol to lib/Kconfig

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This way we have one central definition of it, and user can select it as
needed.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
This commit is contained in:
Christoph Hellwig
2018-04-05 09:44:52 +02:00
parent a4ce5a48d7
commit 86596f0a28
16 changed files with 15 additions and 46 deletions
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4
arch/sparc/Kconfig
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@@ -43,6 +43,7 @@ config SPARC
select ARCH_HAS_SG_CHAIN
select CPU_NO_EFFICIENT_FFS
select LOCKDEP_SMALL if LOCKDEP
select NEED_SG_DMA_LENGTH
config SPARC32
def_bool !64BIT
@@ -145,9 +146,6 @@ config ZONE_DMA
config NEED_DMA_MAP_STATE
def_bool y
config NEED_SG_DMA_LENGTH
def_bool y
config GENERIC_ISA_DMA
bool
default y if SPARC32