diff options
| author | Vandana Salve <vsalve@nvidia.com> | 2014-01-31 20:54:02 +0530 |
|---|---|---|
| committer | Krishna Reddy <vdumpa@nvidia.com> | 2014-03-11 09:43:35 -0700 |
| commit | 0e051fcb68126decee2fe053628e9e43c53626e8 (patch) | |
| tree | 40471c6162b8e9fa7c5a0d2e328a49d759c0154f /include/asm-generic | |
| parent | b5a5a3fe138da1994dc0919458994644e0a1f401 (diff) | |
dma: coherent: Handle resizable coherent memory
Support to handle resizable/fixed size coherent memory
Add debugfs support
bug 1445123
Change-Id: I77c250ddfe95609a5e7edb9093b8f1c23652a0b4
Signed-off-by: Vandana Salve <vsalve@nvidia.com>
Reviewed-on: http://git-master/r/362440
Reviewed-by: Krishna Reddy <vdumpa@nvidia.com>
Diffstat (limited to 'include/asm-generic')
| -rw-r--r-- | include/asm-generic/dma-coherent.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/asm-generic/dma-coherent.h b/include/asm-generic/dma-coherent.h index c28cb3576f45..71cf98eae3dd 100644 --- a/include/asm-generic/dma-coherent.h +++ b/include/asm-generic/dma-coherent.h @@ -22,6 +22,12 @@ int dma_mmap_from_coherent(struct device *dev, struct vm_area_struct *vma, * Standard interface */ #define ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY +struct dma_declare_info; + +extern int +dma_declare_coherent_resizable_cma_memory(struct device *dev, + struct dma_declare_info *dma_info); + extern int dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr, dma_addr_t device_addr, size_t size, int flags); @@ -38,6 +44,7 @@ dma_mark_declared_memory_occupied(struct device *dev, #define dma_alloc_from_coherent(dev, size, handle, ret) (0) #define dma_release_from_coherent(dev, order, vaddr) (0) #define dma_mmap_from_coherent(dev, vma, vaddr, order, ret) (0) +#define dma_declare_coherent_resizable_cma_memory(dev, dma_info) (0) #endif #endif |