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authorChristoph Hellwig <hch@lst.de>2019-01-29 19:13:04 +0100
committerHelge Deller <deller@gmx.de>2019-02-21 20:37:11 +0100
commit9b8eeab019762fa43c5ffa6e2f8e1039f8e99157 (patch)
treedadc3daa2d3b4213c6ad59c81420e5230f3da777 /arch/parisc/include/asm/dma-mapping.h
parentparisc: don't include <asm/cacheflush.h> in <asm/dma-mapping.h> (diff)
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parisc: move internal implementation details out of <asm/dma-mapping.h>
Move everything that is not required for the public facing DMA API out of <asm/dma-mapping.h> and into a new drivers/parisc/iommu.h header. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to '')
-rw-r--r--arch/parisc/include/asm/dma-mapping.h44
1 files changed, 0 insertions, 44 deletions
diff --git a/arch/parisc/include/asm/dma-mapping.h b/arch/parisc/include/asm/dma-mapping.h
index f1bf5e297f1c..d5bd94247371 100644
--- a/arch/parisc/include/asm/dma-mapping.h
+++ b/arch/parisc/include/asm/dma-mapping.h
@@ -26,48 +26,4 @@ static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
return hppa_dma_ops;
}
-static inline void *
-parisc_walk_tree(struct device *dev)
-{
- struct device *otherdev;
- if(likely(dev->platform_data != NULL))
- return dev->platform_data;
- /* OK, just traverse the bus to find it */
- for(otherdev = dev->parent; otherdev;
- otherdev = otherdev->parent) {
- if(otherdev->platform_data) {
- dev->platform_data = otherdev->platform_data;
- break;
- }
- }
- return dev->platform_data;
-}
-
-#define GET_IOC(dev) ({ \
- void *__pdata = parisc_walk_tree(dev); \
- __pdata ? HBA_DATA(__pdata)->iommu : NULL; \
-})
-
-#ifdef CONFIG_IOMMU_CCIO
-struct parisc_device;
-struct ioc;
-void * ccio_get_iommu(const struct parisc_device *dev);
-int ccio_request_resource(const struct parisc_device *dev,
- struct resource *res);
-int ccio_allocate_resource(const struct parisc_device *dev,
- struct resource *res, unsigned long size,
- unsigned long min, unsigned long max, unsigned long align);
-#else /* !CONFIG_IOMMU_CCIO */
-#define ccio_get_iommu(dev) NULL
-#define ccio_request_resource(dev, res) insert_resource(&iomem_resource, res)
-#define ccio_allocate_resource(dev, res, size, min, max, align) \
- allocate_resource(&iomem_resource, res, size, min, max, \
- align, NULL, NULL)
-#endif /* !CONFIG_IOMMU_CCIO */
-
-#ifdef CONFIG_IOMMU_SBA
-struct parisc_device;
-void * sba_get_iommu(struct parisc_device *dev);
-#endif
-
#endif