Since arch/arm/include/asm/pgtable.h contains:
#define io_remap_pfn_range(vma,from,pfn,size,prot) \
remap_pfn_range(vma, from, pfn, size, prot)
there is no point treating ARM as a special case in distinguishing
between remap_pfn_range() and io_remap_pfn_range().
Signed-off-by: Robert P. J. Day <rpjday@xxxxxxxxxxxxxx>
---
diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c
index 961ee08..34e6503 100644
--- a/drivers/gpu/drm/drm_vm.c
+++ b/drivers/gpu/drm/drm_vm.c
@@ -619,20 +619,11 @@ int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma)
offset = drm_core_get_reg_ofs(dev);
vma->vm_flags |= VM_IO; /* not in core dump */
vma->vm_page_prot = drm_io_prot(map->type, vma);
-#if !defined(__arm__)
if (io_remap_pfn_range(vma, vma->vm_start,
(map->offset + offset) >> PAGE_SHIFT,
vma->vm_end - vma->vm_start,
vma->vm_page_prot))
return -EAGAIN;
-#else
- if (remap_pfn_range(vma, vma->vm_start,
- (map->offset + offset) >> PAGE_SHIFT,
- vma->vm_end - vma->vm_start,
- vma->vm_page_prot))
- return -EAGAIN;
-#endif
-
DRM_DEBUG(" Type = %d; start = 0x%lx, end = 0x%lx,"
" offset = 0x%llx\n",
map->type,
--
========================================================================
Robert P. J. Day Ottawa, Ontario, CANADA
http://crashcourse.ca
Twitter: http://twitter.com/rpjday
LinkedIn: http://ca.linkedin.com/in/rpjday
========================================================================
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