diff options
Diffstat (limited to 'drivers/video/omap2/omapfb/omapfb-main.c')
| -rw-r--r-- | drivers/video/omap2/omapfb/omapfb-main.c | 30 |
1 files changed, 7 insertions, 23 deletions
diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c index ca585ef37f2..717f13a9335 100644 --- a/drivers/video/omap2/omapfb/omapfb-main.c +++ b/drivers/video/omap2/omapfb/omapfb-main.c @@ -1101,41 +1101,25 @@ static int omapfb_mmap(struct fb_info *fbi, struct vm_area_struct *vma) struct omapfb_info *ofbi = FB2OFB(fbi); struct fb_fix_screeninfo *fix = &fbi->fix; struct omapfb2_mem_region *rg; - unsigned long off; unsigned long start; u32 len; - int r = -EINVAL; - - if (vma->vm_end - vma->vm_start == 0) - return 0; - if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) - return -EINVAL; - off = vma->vm_pgoff << PAGE_SHIFT; + int r; rg = omapfb_get_mem_region(ofbi->region); start = omapfb_get_region_paddr(ofbi); len = fix->smem_len; - if (off >= len) - goto error; - if ((vma->vm_end - vma->vm_start + off) > len) - goto error; - - off += start; - DBG("user mmap region start %lx, len %d, off %lx\n", start, len, off); + DBG("user mmap region start %lx, len %d, off %lx\n", start, len, + vma->vm_pgoff << PAGE_SHIFT); - vma->vm_pgoff = off >> PAGE_SHIFT; - /* VM_IO | VM_DONTEXPAND | VM_DONTDUMP are set by remap_pfn_range() */ vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); vma->vm_ops = &mmap_user_ops; vma->vm_private_data = rg; - if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT, - vma->vm_end - vma->vm_start, - vma->vm_page_prot)) { - r = -EAGAIN; + + r = vm_iomap_memory(vma, start, len); + if (r) goto error; - } /* vm_ops.open won't be called for mmap itself. */ atomic_inc(&rg->map_count); @@ -1144,7 +1128,7 @@ static int omapfb_mmap(struct fb_info *fbi, struct vm_area_struct *vma) return 0; - error: +error: omapfb_put_mem_region(ofbi->region); return r; |