drm/rockchip: Cocci spatch "vma_pages"
Use vma_pages function on vma object instead of explicit computation. Found by coccinelle spatch "api/vma_pages.cocci" Signed-off-by: Thomas Meyer <thomas@m3y3r.de> Signed-off-by: Mark Yao <mark.yao@rock-chips.com> Link: https://patchwork.freedesktop.org/patch/msgid/1505946334393-988165015-7-diffsplit-thomas@m3y3r.de
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@ -220,7 +220,7 @@ static int rockchip_drm_gem_object_mmap_iommu(struct drm_gem_object *obj,
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{
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struct rockchip_gem_object *rk_obj = to_rockchip_obj(obj);
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unsigned int i, count = obj->size >> PAGE_SHIFT;
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unsigned long user_count = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
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unsigned long user_count = vma_pages(vma);
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unsigned long uaddr = vma->vm_start;
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unsigned long offset = vma->vm_pgoff;
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unsigned long end = user_count + offset;
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