From 2fb3ec5c9503ba8874e24170de2b40e8f1a58370 Mon Sep 17 00:00:00 2001 From: Russell King Date: Wed, 11 May 2011 16:06:29 +0100 Subject: [PATCH] ARM: Replace platform definition of ISA_DMA_THRESHOLD/MAX_DMA_ADDRESS The values of ISA_DMA_THRESHOLD and MAX_DMA_ADDRESS are related; one is the physical/bus address, the other is the virtual address. Both need to be kept in step, so rather than having platforms define both, allow them to define a single macro which sets both of these macros appropraitely. Acked-by: Nicolas Pitre Acked-by: Catalin Marinas Signed-off-by: Russell King --- arch/arm/include/asm/dma.h | 4 +++- arch/arm/include/asm/memory.h | 4 +++- arch/arm/mach-davinci/include/mach/memory.h | 3 +-- arch/arm/mach-h720x/include/mach/memory.h | 3 +-- arch/arm/mach-ixp4xx/include/mach/memory.h | 3 +-- arch/arm/mach-pxa/include/mach/memory.h | 3 +-- arch/arm/mach-realview/include/mach/memory.h | 3 +-- arch/arm/mach-sa1100/include/mach/memory.h | 3 +-- arch/arm/mach-shark/include/mach/memory.h | 3 +-- 9 files changed, 13 insertions(+), 16 deletions(-) diff --git a/arch/arm/include/asm/dma.h b/arch/arm/include/asm/dma.h index ca51143f97f1..42005542932b 100644 --- a/arch/arm/include/asm/dma.h +++ b/arch/arm/include/asm/dma.h @@ -6,8 +6,10 @@ /* * This is the maximum virtual address which can be DMA'd from. */ -#ifndef MAX_DMA_ADDRESS +#ifndef ARM_DMA_ZONE_SIZE #define MAX_DMA_ADDRESS 0xffffffff +#else +#define MAX_DMA_ADDRESS (PAGE_OFFSET + ARM_DMA_ZONE_SIZE) #endif #ifdef CONFIG_ISA_DMA_API diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index 431077c5a867..ee5ff41027a3 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -209,8 +209,10 @@ static inline unsigned long __phys_to_virt(unsigned long x) * allocations. This must be the smallest DMA mask in the system, * so a successful GFP_DMA allocation will always satisfy this. */ -#ifndef ISA_DMA_THRESHOLD +#ifndef ARM_DMA_ZONE_SIZE #define ISA_DMA_THRESHOLD (0xffffffffULL) +#else +#define ISA_DMA_THRESHOLD (PHYS_OFFSET + ARM_DMA_ZONE_SIZE - 1) #endif #ifndef arch_adjust_zones diff --git a/arch/arm/mach-davinci/include/mach/memory.h b/arch/arm/mach-davinci/include/mach/memory.h index 78822723f382..8d27246cca4d 100644 --- a/arch/arm/mach-davinci/include/mach/memory.h +++ b/arch/arm/mach-davinci/include/mach/memory.h @@ -59,8 +59,7 @@ __arch_adjust_zones(unsigned long *size, unsigned long *holes) #define arch_adjust_zones(zone_size, holes) \ if ((meminfo.bank[0].size >> 20) > 128) __arch_adjust_zones(zone_size, holes) -#define ISA_DMA_THRESHOLD (PHYS_OFFSET + (128<<20) - 1) -#define MAX_DMA_ADDRESS (PAGE_OFFSET + (128<<20)) +#define ARM_DMA_ZONE_SIZE SZ_128M #endif diff --git a/arch/arm/mach-h720x/include/mach/memory.h b/arch/arm/mach-h720x/include/mach/memory.h index 9d3687651462..b0b3baec9acf 100644 --- a/arch/arm/mach-h720x/include/mach/memory.h +++ b/arch/arm/mach-h720x/include/mach/memory.h @@ -13,7 +13,6 @@ * There should not be more than (0xd0000000 - 0xc0000000) * bytes of RAM. */ -#define ISA_DMA_THRESHOLD (PHYS_OFFSET + SZ_256M - 1) -#define MAX_DMA_ADDRESS (PAGE_OFFSET + SZ_256M) +#define ARM_DMA_ZONE_SIZE SZ_256M #endif diff --git a/arch/arm/mach-ixp4xx/include/mach/memory.h b/arch/arm/mach-ixp4xx/include/mach/memory.h index 6d388c9d0e20..a5c26f8d3125 100644 --- a/arch/arm/mach-ixp4xx/include/mach/memory.h +++ b/arch/arm/mach-ixp4xx/include/mach/memory.h @@ -21,8 +21,7 @@ void ixp4xx_adjust_zones(unsigned long *size, unsigned long *holes); #define arch_adjust_zones(size, holes) \ ixp4xx_adjust_zones(size, holes) -#define ISA_DMA_THRESHOLD (SZ_64M - 1) -#define MAX_DMA_ADDRESS (PAGE_OFFSET + SZ_64M) +#define ARM_DMA_ZONE_SIZE SZ_64M #endif diff --git a/arch/arm/mach-pxa/include/mach/memory.h b/arch/arm/mach-pxa/include/mach/memory.h index 7f68724dcc27..57a0b689b4d0 100644 --- a/arch/arm/mach-pxa/include/mach/memory.h +++ b/arch/arm/mach-pxa/include/mach/memory.h @@ -23,8 +23,7 @@ void cmx2xx_pci_adjust_zones(unsigned long *size, unsigned long *holes); #define arch_adjust_zones(size, holes) \ cmx2xx_pci_adjust_zones(size, holes) -#define ISA_DMA_THRESHOLD (PHYS_OFFSET + SZ_64M - 1) -#define MAX_DMA_ADDRESS (PAGE_OFFSET + SZ_64M) +#define ARM_DMA_ZONE_SIZE SZ_64M #endif #endif diff --git a/arch/arm/mach-realview/include/mach/memory.h b/arch/arm/mach-realview/include/mach/memory.h index e05fc2c4c080..973428d3f7cb 100644 --- a/arch/arm/mach-realview/include/mach/memory.h +++ b/arch/arm/mach-realview/include/mach/memory.h @@ -34,8 +34,7 @@ extern void realview_adjust_zones(unsigned long *size, unsigned long *hole); #define arch_adjust_zones(size, hole) \ realview_adjust_zones(size, hole) -#define ISA_DMA_THRESHOLD (PHYS_OFFSET + SZ_256M - 1) -#define MAX_DMA_ADDRESS (PAGE_OFFSET + SZ_256M) +#define ARM_DMA_ZONE_SIZE SZ_256M #endif #ifdef CONFIG_SPARSEMEM diff --git a/arch/arm/mach-sa1100/include/mach/memory.h b/arch/arm/mach-sa1100/include/mach/memory.h index a44da6a2916c..090b82982abb 100644 --- a/arch/arm/mach-sa1100/include/mach/memory.h +++ b/arch/arm/mach-sa1100/include/mach/memory.h @@ -22,8 +22,7 @@ void sa1111_adjust_zones(unsigned long *size, unsigned long *holes); #define arch_adjust_zones(size, holes) \ sa1111_adjust_zones(size, holes) -#define ISA_DMA_THRESHOLD (PHYS_OFFSET + SZ_1M - 1) -#define MAX_DMA_ADDRESS (PAGE_OFFSET + SZ_1M) +#define ARM_DMA_ZONE_SIZE SZ_1M #endif #endif diff --git a/arch/arm/mach-shark/include/mach/memory.h b/arch/arm/mach-shark/include/mach/memory.h index 9afb17000008..48fe84b1f278 100644 --- a/arch/arm/mach-shark/include/mach/memory.h +++ b/arch/arm/mach-shark/include/mach/memory.h @@ -32,8 +32,7 @@ static inline void __arch_adjust_zones(unsigned long *zone_size, unsigned long * #define arch_adjust_zones(size, holes) \ __arch_adjust_zones(size, holes) -#define ISA_DMA_THRESHOLD (PHYS_OFFSET + SZ_4M - 1) -#define MAX_DMA_ADDRESS (PAGE_OFFSET + SZ_4M) +#define ARM_DMA_ZONE_SIZE SZ_4M #endif -- GitLab