diff options
Diffstat (limited to 'drivers/char/agp/alpha-agp.c')
-rw-r--r-- | drivers/char/agp/alpha-agp.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/char/agp/alpha-agp.c b/drivers/char/agp/alpha-agp.c index aa8f3a39a704..e77c17838c8a 100644 --- a/drivers/char/agp/alpha-agp.c +++ b/drivers/char/agp/alpha-agp.c | |||
@@ -11,29 +11,28 @@ | |||
11 | 11 | ||
12 | #include "agp.h" | 12 | #include "agp.h" |
13 | 13 | ||
14 | static struct page *alpha_core_agp_vm_nopage(struct vm_area_struct *vma, | 14 | static int alpha_core_agp_vm_fault(struct vm_area_struct *vma, |
15 | unsigned long address, | 15 | struct vm_fault *vmf) |
16 | int *type) | ||
17 | { | 16 | { |
18 | alpha_agp_info *agp = agp_bridge->dev_private_data; | 17 | alpha_agp_info *agp = agp_bridge->dev_private_data; |
19 | dma_addr_t dma_addr; | 18 | dma_addr_t dma_addr; |
20 | unsigned long pa; | 19 | unsigned long pa; |
21 | struct page *page; | 20 | struct page *page; |
22 | 21 | ||
23 | dma_addr = address - vma->vm_start + agp->aperture.bus_base; | 22 | dma_addr = (unsigned long)vmf->virtual_address - vma->vm_start |
23 | + agp->aperture.bus_base; | ||
24 | pa = agp->ops->translate(agp, dma_addr); | 24 | pa = agp->ops->translate(agp, dma_addr); |
25 | 25 | ||
26 | if (pa == (unsigned long)-EINVAL) | 26 | if (pa == (unsigned long)-EINVAL) |
27 | return NULL; /* no translation */ | 27 | return VM_FAULT_SIGBUS; /* no translation */ |
28 | 28 | ||
29 | /* | 29 | /* |
30 | * Get the page, inc the use count, and return it | 30 | * Get the page, inc the use count, and return it |
31 | */ | 31 | */ |
32 | page = virt_to_page(__va(pa)); | 32 | page = virt_to_page(__va(pa)); |
33 | get_page(page); | 33 | get_page(page); |
34 | if (type) | 34 | vmf->page = page; |
35 | *type = VM_FAULT_MINOR; | 35 | return 0; |
36 | return page; | ||
37 | } | 36 | } |
38 | 37 | ||
39 | static struct aper_size_info_fixed alpha_core_agp_sizes[] = | 38 | static struct aper_size_info_fixed alpha_core_agp_sizes[] = |
@@ -42,7 +41,7 @@ static struct aper_size_info_fixed alpha_core_agp_sizes[] = | |||
42 | }; | 41 | }; |
43 | 42 | ||
44 | struct vm_operations_struct alpha_core_agp_vm_ops = { | 43 | struct vm_operations_struct alpha_core_agp_vm_ops = { |
45 | .nopage = alpha_core_agp_vm_nopage, | 44 | .fault = alpha_core_agp_vm_fault, |
46 | }; | 45 | }; |
47 | 46 | ||
48 | 47 | ||