[ARM] dmabounce requires ZONE_DMA

Rather than having everything that needs DMABOUNCE also select
ZONE_DMA, arrange for DMABOUNCE to select it instead.  This is
far more sensible.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 4853f9d..6c73e96 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -354,7 +354,7 @@
 	select GENERIC_GPIO
 	select GENERIC_TIME
 	select GENERIC_CLOCKEVENTS
-	select ZONE_DMA if PCI
+	select DMABOUNCE if PCI
 	help
 	  Support for Intel's IXP4XX (XScale) family of processors.
 
diff --git a/arch/arm/common/Kconfig b/arch/arm/common/Kconfig
index 2e32acc..86b5e69 100644
--- a/arch/arm/common/Kconfig
+++ b/arch/arm/common/Kconfig
@@ -13,10 +13,10 @@
 config SA1111
 	bool
 	select DMABOUNCE if !ARCH_PXA
-	select ZONE_DMA if !ARCH_PXA
 
 config DMABOUNCE
 	bool
+	select ZONE_DMA
 
 config TIMER_ACORN
 	bool
diff --git a/arch/arm/mach-ixp4xx/Kconfig b/arch/arm/mach-ixp4xx/Kconfig
index db8b5fe..2c5a02b 100644
--- a/arch/arm/mach-ixp4xx/Kconfig
+++ b/arch/arm/mach-ixp4xx/Kconfig
@@ -167,11 +167,6 @@
 
 comment "IXP4xx Options"
 
-config DMABOUNCE
-	bool
-	default y
-	depends on PCI
-
 config IXP4XX_INDIRECT_PCI
 	bool "Use indirect PCI memory access"
 	depends on PCI
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index f27f6b3..f781873 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -257,7 +257,6 @@
 	bool "CompuLab CM-X255/CM-X270 modules"
 	select PXA27x
 	select IWMMXT
-	select ZONE_DMA if PCI
 	select PXA25x
 	select PXA_SSP