hc
2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390
kernel/arch/parisc/include/asm/dma-mapping.h
....@@ -2,8 +2,6 @@
22 #ifndef _PARISC_DMA_MAPPING_H
33 #define _PARISC_DMA_MAPPING_H
44
5
-#include <asm/cacheflush.h>
6
-
75 /*
86 ** We need to support 4 different coherent dma models with one binary:
97 **
....@@ -27,49 +25,5 @@
2725 {
2826 return hppa_dma_ops;
2927 }
30
-
31
-static inline void *
32
-parisc_walk_tree(struct device *dev)
33
-{
34
- struct device *otherdev;
35
- if(likely(dev->platform_data != NULL))
36
- return dev->platform_data;
37
- /* OK, just traverse the bus to find it */
38
- for(otherdev = dev->parent; otherdev;
39
- otherdev = otherdev->parent) {
40
- if(otherdev->platform_data) {
41
- dev->platform_data = otherdev->platform_data;
42
- break;
43
- }
44
- }
45
- return dev->platform_data;
46
-}
47
-
48
-#define GET_IOC(dev) ({ \
49
- void *__pdata = parisc_walk_tree(dev); \
50
- __pdata ? HBA_DATA(__pdata)->iommu : NULL; \
51
-})
52
-
53
-#ifdef CONFIG_IOMMU_CCIO
54
-struct parisc_device;
55
-struct ioc;
56
-void * ccio_get_iommu(const struct parisc_device *dev);
57
-int ccio_request_resource(const struct parisc_device *dev,
58
- struct resource *res);
59
-int ccio_allocate_resource(const struct parisc_device *dev,
60
- struct resource *res, unsigned long size,
61
- unsigned long min, unsigned long max, unsigned long align);
62
-#else /* !CONFIG_IOMMU_CCIO */
63
-#define ccio_get_iommu(dev) NULL
64
-#define ccio_request_resource(dev, res) insert_resource(&iomem_resource, res)
65
-#define ccio_allocate_resource(dev, res, size, min, max, align) \
66
- allocate_resource(&iomem_resource, res, size, min, max, \
67
- align, NULL, NULL)
68
-#endif /* !CONFIG_IOMMU_CCIO */
69
-
70
-#ifdef CONFIG_IOMMU_SBA
71
-struct parisc_device;
72
-void * sba_get_iommu(struct parisc_device *dev);
73
-#endif
7428
7529 #endif