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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-15 09:32:52 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-15 09:32:52 -0700 |
| commit | 0fa213310cd8fa7a51071cdcf130e26fa56e9549 (patch) | |
| tree | 2a7e5cc33c8938ec82604a99c3797a3132fd91ec /arch/powerpc/include/asm/dma-mapping.h | |
| parent | d3bf80bff13597004b5724ee4549cd68eb0badf0 (diff) | |
| parent | bc47ab0241c7c86da4f5e5f82fbca7d45387c18d (diff) | |
| download | linux-0fa213310cd8fa7a51071cdcf130e26fa56e9549.tar.gz linux-0fa213310cd8fa7a51071cdcf130e26fa56e9549.tar.bz2 linux-0fa213310cd8fa7a51071cdcf130e26fa56e9549.zip | |
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (103 commits)
powerpc: Fix bug in move of altivec code to vector.S
powerpc: Add support for swiotlb on 32-bit
powerpc/spufs: Remove unused error path
powerpc: Fix warning when printing a resource_size_t
powerpc/xmon: Remove unused variable in xmon.c
powerpc/pseries: Fix warnings when printing resource_size_t
powerpc: Shield code specific to 64-bit server processors
powerpc: Separate PACA fields for server CPUs
powerpc: Split exception handling out of head_64.S
powerpc: Introduce CONFIG_PPC_BOOK3S
powerpc: Move VMX and VSX asm code to vector.S
powerpc: Set init_bootmem_done on NUMA platforms as well
powerpc/mm: Fix a AB->BA deadlock scenario with nohash MMU context lock
powerpc/mm: Fix some SMP issues with MMU context handling
powerpc: Add PTRACE_SINGLEBLOCK support
fbdev: Add PLB support and cleanup DCR in xilinxfb driver.
powerpc/virtex: Add ml510 reference design device tree
powerpc/virtex: Add Xilinx ML510 reference design support
powerpc/virtex: refactor intc driver and add support for i8259 cascading
powerpc/virtex: Add support for Xilinx PCI host bridge
...
Diffstat (limited to 'arch/powerpc/include/asm/dma-mapping.h')
| -rw-r--r-- | arch/powerpc/include/asm/dma-mapping.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h index cb448d68452c..3d9e887c3c0c 100644 --- a/arch/powerpc/include/asm/dma-mapping.h +++ b/arch/powerpc/include/asm/dma-mapping.h @@ -15,9 +15,18 @@ #include <linux/scatterlist.h> #include <linux/dma-attrs.h> #include <asm/io.h> +#include <asm/swiotlb.h> #define DMA_ERROR_CODE (~(dma_addr_t)0x0) +/* Some dma direct funcs must be visible for use in other dma_ops */ +extern void *dma_direct_alloc_coherent(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t flag); +extern void dma_direct_free_coherent(struct device *dev, size_t size, + void *vaddr, dma_addr_t dma_handle); + +extern unsigned long get_dma_direct_offset(struct device *dev); + #ifdef CONFIG_NOT_COHERENT_CACHE /* * DMA-consistent mapping functions for PowerPCs that don't support @@ -78,6 +87,8 @@ struct dma_mapping_ops { dma_addr_t dma_address, size_t size, enum dma_data_direction direction, struct dma_attrs *attrs); + int (*addr_needs_map)(struct device *dev, dma_addr_t addr, + size_t size); #ifdef CONFIG_PPC_NEED_DMA_SYNC_OPS void (*sync_single_range_for_cpu)(struct device *hwdev, dma_addr_t dma_handle, unsigned long offset, |