diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-04-07 13:47:33 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-04-07 13:47:45 +0200 |
commit | 93776a8ec746cf9d32c36e5a5b23d28d8be28826 (patch) | |
tree | 6c472ae9f709246ee5268e1d71559d07839fb965 /arch/x86/kernel/pci-nommu.c | |
parent | 34886c8bc590f078d4c0b88f50d061326639198d (diff) | |
parent | d508afb437daee7cf07da085b635c44a4ebf9b38 (diff) |
Merge branch 'linus' into tracing/core
Merge reason: update to upstream tracing facilities
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/pci-nommu.c')
-rw-r--r-- | arch/x86/kernel/pci-nommu.c | 39 |
1 files changed, 20 insertions, 19 deletions
diff --git a/arch/x86/kernel/pci-nommu.c b/arch/x86/kernel/pci-nommu.c index c70ab5a5d4c8..c6d703b39326 100644 --- a/arch/x86/kernel/pci-nommu.c +++ b/arch/x86/kernel/pci-nommu.c @@ -1,14 +1,14 @@ /* Fallback functions when the main IOMMU code is not compiled in. This code is roughly equivalent to i386. */ -#include <linux/mm.h> -#include <linux/init.h> -#include <linux/pci.h> -#include <linux/string.h> #include <linux/dma-mapping.h> #include <linux/scatterlist.h> +#include <linux/string.h> +#include <linux/init.h> +#include <linux/pci.h> +#include <linux/mm.h> -#include <asm/iommu.h> #include <asm/processor.h> +#include <asm/iommu.h> #include <asm/dma.h> static int @@ -25,19 +25,19 @@ check_addr(char *name, struct device *hwdev, dma_addr_t bus, size_t size) return 1; } -static dma_addr_t -nommu_map_single(struct device *hwdev, phys_addr_t paddr, size_t size, - int direction) +static dma_addr_t nommu_map_page(struct device *dev, struct page *page, + unsigned long offset, size_t size, + enum dma_data_direction dir, + struct dma_attrs *attrs) { - dma_addr_t bus = paddr; + dma_addr_t bus = page_to_phys(page) + offset; WARN_ON(size == 0); - if (!check_addr("map_single", hwdev, bus, size)) - return bad_dma_address; + if (!check_addr("map_single", dev, bus, size)) + return bad_dma_address; flush_write_buffers(); return bus; } - /* Map a set of buffers described by scatterlist in streaming * mode for DMA. This is the scatter-gather version of the * above pci_map_single interface. Here the scatter gather list @@ -54,7 +54,8 @@ nommu_map_single(struct device *hwdev, phys_addr_t paddr, size_t size, * the same here. */ static int nommu_map_sg(struct device *hwdev, struct scatterlist *sg, - int nents, int direction) + int nents, enum dma_data_direction dir, + struct dma_attrs *attrs) { struct scatterlist *s; int i; @@ -78,12 +79,12 @@ static void nommu_free_coherent(struct device *dev, size_t size, void *vaddr, free_pages((unsigned long)vaddr, get_order(size)); } -struct dma_mapping_ops nommu_dma_ops = { - .alloc_coherent = dma_generic_alloc_coherent, - .free_coherent = nommu_free_coherent, - .map_single = nommu_map_single, - .map_sg = nommu_map_sg, - .is_phys = 1, +struct dma_map_ops nommu_dma_ops = { + .alloc_coherent = dma_generic_alloc_coherent, + .free_coherent = nommu_free_coherent, + .map_sg = nommu_map_sg, + .map_page = nommu_map_page, + .is_phys = 1, }; void __init no_iommu_init(void) |