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Commit 4965a687 authored by Christoph Hellwig's avatar Christoph Hellwig
Browse files

arch: define the ARCH_DMA_ADDR_T_64BIT config symbol in lib/Kconfig 



Define this symbol if the architecture either uses 64-bit pointers or the
PHYS_ADDR_T_64BIT is set.  This covers 95% of the old arch magic.  We only
need an additional select for Xen on ARM (why anyway?), and we now always
set ARCH_DMA_ADDR_T_64BIT on mips boards with 64-bit physical addressing
instead of only doing it when highmem is set.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Acked-by: default avatarJames Hogan <jhogan@kernel.org>
parent d4a451d5

arch/alpha/Kconfig

+0 −3
Original line number Diff line number Diff line
@@ -66,9 +66,6 @@ config ZONE_DMA 
	bool

	default y



config ARCH_DMA_ADDR_T_64BIT

	def_bool y



config GENERIC_ISA_DMA

	bool

	default y

arch/arc/Kconfig

+0 −3
Original line number Diff line number Diff line
@@ -458,9 +458,6 @@ config ARC_HAS_PAE40 
	  Enable access to physical memory beyond 4G, only supported on

	  ARC cores with 40 bit Physical Addressing support



config ARCH_DMA_ADDR_T_64BIT

	bool



config ARC_KVADDR_SIZE

	int "Kernel Virtual Address Space size (MB)"

	range 0 512

arch/arm/mach-axxia/Kconfig

+0 −1
Original line number Diff line number Diff line
@@ -2,7 +2,6 @@ 
config ARCH_AXXIA

	bool "LSI Axxia platforms"

	depends on ARCH_MULTI_V7 && ARM_LPAE

	select ARCH_DMA_ADDR_T_64BIT

	select ARM_AMBA

	select ARM_GIC

	select ARM_TIMER_SP804

arch/arm/mach-bcm/Kconfig

+0 −1
Original line number Diff line number Diff line
@@ -211,7 +211,6 @@ config ARCH_BRCMSTB 
	select BRCMSTB_L2_IRQ

	select BCM7120_L2_IRQ

	select ARCH_HAS_HOLES_MEMORYMODEL

	select ARCH_DMA_ADDR_T_64BIT if ARM_LPAE

	select ZONE_DMA if ARM_LPAE

	select SOC_BRCMSTB

	select SOC_BUS

arch/arm/mach-exynos/Kconfig

+0 −1
Original line number Diff line number Diff line
@@ -112,7 +112,6 @@ config SOC_EXYNOS5440 
	bool "SAMSUNG EXYNOS5440"

	default y

	depends on ARCH_EXYNOS5

	select ARCH_DMA_ADDR_T_64BIT if ARM_LPAE

	select HAVE_ARM_ARCH_TIMER

	select AUTO_ZRELADDR

	select PINCTRL_EXYNOS5440