powerpc: Do not redefine NEED_DMA_MAP_STATE

kernel/dma/Kconfig already defines NEED_DMA_MAP_STATE, just select it
from CONFIG_PPC using the same condition as an if guard.

Signed-off-by: Christoph Hellwig <hch@lst.de>
[mpe: Move it under PPC]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 5eb4d969afbfa07c91cdba885f6e7eeba092a081..ee38fce075ee4d601e2cc4103c01209f11d53618 100644 (file)
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -226,6 +226,7 @@ config PPC
        select IRQ_DOMAIN
        select IRQ_FORCED_THREADING
        select MODULES_USE_ELF_RELA
+       select NEED_DMA_MAP_STATE               if PPC64 || NOT_COHERENT_CACHE
        select NEED_SG_DMA_LENGTH
        select NO_BOOTMEM
        select OF
@@ -885,9 +886,6 @@ config ZONE_DMA
        bool
        default y
 
-config NEED_DMA_MAP_STATE
-       def_bool (PPC64 || NOT_COHERENT_CACHE)
-
 config GENERIC_ISA_DMA
        bool
        depends on ISA_DMA_API