diff options
| -rw-r--r-- | arch/arm/common/it8152.c | 27 | ||||
| -rw-r--r-- | arch/arm/include/asm/dma-mapping.h | 8 | ||||
| -rw-r--r-- | arch/arm/mach-ixp4xx/common-pci.c | 26 | ||||
| -rw-r--r-- | arch/arm/mach-ixp4xx/include/mach/hardware.h | 5 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/include/mach/hardware.h | 1 |
5 files changed, 8 insertions, 59 deletions
diff --git a/arch/arm/common/it8152.c b/arch/arm/common/it8152.c index 2793447..ee1d3b8 100644 --- a/arch/arm/common/it8152.c +++ b/arch/arm/common/it8152.c @@ -272,33 +272,6 @@ int dma_needs_bounce(struct device *dev, dma_addr_t dma_addr, size_t size) ((dma_addr + size - PHYS_OFFSET) >= SZ_64M); } -/* - * We override these so we properly do dmabounce otherwise drivers - * are able to set the dma_mask to 0xffffffff and we can no longer - * trap bounces. :( - * - * We just return true on everyhing except for < 64MB in which case - * we will fail miseralby and die since we can't handle that case. - */ -int pci_set_dma_mask(struct pci_dev *dev, u64 mask) -{ - dev_dbg(&dev->dev, "%s: %llx\n", __func__, mask); - if (mask >= PHYS_OFFSET + SZ_64M - 1) - return 0; - - return -EIO; -} - -int -pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask) -{ - dev_dbg(&dev->dev, "%s: %llx\n", __func__, mask); - if (mask >= PHYS_OFFSET + SZ_64M - 1) - return 0; - - return -EIO; -} - int __init it8152_pci_setup(int nr, struct pci_sys_data *sys) { it8152_io.start = IT8152_IO_BASE + 0x12000; diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h index 256ee1c..69ce072 100644 --- a/arch/arm/include/asm/dma-mapping.h +++ b/arch/arm/include/asm/dma-mapping.h @@ -128,6 +128,14 @@ static inline int dma_supported(struct device *dev, u64 mask) static inline int dma_set_mask(struct device *dev, u64 dma_mask) { +#ifdef CONFIG_DMABOUNCE + if (dev->archdata.dmabounce) { + if (dma_mask >= ISA_DMA_THRESHOLD) + return 0; + else + return -EIO; + } +#endif if (!dev->dma_mask || !dma_supported(dev, dma_mask)) return -EIO; diff --git a/arch/arm/mach-ixp4xx/common-pci.c b/arch/arm/mach-ixp4xx/common-pci.c index c4a0159..e318153 100644 --- a/arch/arm/mach-ixp4xx/common-pci.c +++ b/arch/arm/mach-ixp4xx/common-pci.c @@ -502,32 +502,6 @@ struct pci_bus * __devinit ixp4xx_scan_bus(int nr, struct pci_sys_data *sys) return pci_scan_bus(sys->busnr, &ixp4xx_ops, sys); } -/* - * We override these so we properly do dmabounce otherwise drivers - * are able to set the dma_mask to 0xffffffff and we can no longer - * trap bounces. :( - * - * We just return true on everyhing except for < 64MB in which case - * we will fail miseralby and die since we can't handle that case. - */ -int -pci_set_dma_mask(struct pci_dev *dev, u64 mask) -{ - if (mask >= SZ_64M - 1 ) - return 0; - - return -EIO; -} - -int -pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask) -{ - if (mask >= SZ_64M - 1 ) - return 0; - - return -EIO; -} - EXPORT_SYMBOL(ixp4xx_pci_read); EXPORT_SYMBOL(ixp4xx_pci_write); diff --git a/arch/arm/mach-ixp4xx/include/mach/hardware.h b/arch/arm/mach-ixp4xx/include/mach/hardware.h index f9d1c43..f91ca6d 100644 --- a/arch/arm/mach-ixp4xx/include/mach/hardware.h +++ b/arch/arm/mach-ixp4xx/include/mach/hardware.h @@ -26,11 +26,6 @@ #define PCIBIOS_MAX_MEM 0x4BFFFFFF #endif -/* - * We override the standard dma-mask routines for bouncing. - */ -#define HAVE_ARCH_PCI_SET_DMA_MASK - #define pcibios_assign_all_busses() 1 /* Register locations and bits */ diff --git a/arch/arm/mach-pxa/include/mach/hardware.h b/arch/arm/mach-pxa/include/mach/hardware.h index e741bf1..7515757 100644 --- a/arch/arm/mach-pxa/include/mach/hardware.h +++ b/arch/arm/mach-pxa/include/mach/hardware.h @@ -314,7 +314,6 @@ extern unsigned long get_clock_tick_rate(void); #define PCIBIOS_MIN_IO 0 #define PCIBIOS_MIN_MEM 0 #define pcibios_assign_all_busses() 1 -#define HAVE_ARCH_PCI_SET_DMA_MASK 1 #endif |
