diff options
| author | Nick Piggin <npiggin@suse.de> | 2008-02-04 22:30:04 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-05 09:44:22 -0800 |
| commit | 6d6f8d52fd0ff5d3660368232f71c3224d7508e1 (patch) | |
| tree | 990a3785e805a6e1822e57b867cdcdb17cd8794a /drivers/char/agp | |
| parent | 2f78dcfd30955a48a2e738d08e4001ebd0e8402c (diff) | |
agp: alpha nopage
Convert AGP alpha driver from nopage to fault.
NULL is NOPAGE_SIGBUS, so we aren't changing behaviour there.
Signed-off-by: Nick Piggin <npiggin@suse.de>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char/agp')
| -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 @@ #include "agp.h" -static struct page *alpha_core_agp_vm_nopage(struct vm_area_struct *vma, - unsigned long address, - int *type) +static int alpha_core_agp_vm_fault(struct vm_area_struct *vma, + struct vm_fault *vmf) { alpha_agp_info *agp = agp_bridge->dev_private_data; dma_addr_t dma_addr; unsigned long pa; struct page *page; - dma_addr = address - vma->vm_start + agp->aperture.bus_base; + dma_addr = (unsigned long)vmf->virtual_address - vma->vm_start + + agp->aperture.bus_base; pa = agp->ops->translate(agp, dma_addr); if (pa == (unsigned long)-EINVAL) - return NULL; /* no translation */ + return VM_FAULT_SIGBUS; /* no translation */ /* * Get the page, inc the use count, and return it */ page = virt_to_page(__va(pa)); get_page(page); - if (type) - *type = VM_FAULT_MINOR; - return page; + vmf->page = page; + return 0; } static struct aper_size_info_fixed alpha_core_agp_sizes[] = @@ -42,7 +41,7 @@ static struct aper_size_info_fixed alpha_core_agp_sizes[] = }; struct vm_operations_struct alpha_core_agp_vm_ops = { - .nopage = alpha_core_agp_vm_nopage, + .fault = alpha_core_agp_vm_fault, }; |