There is a plan to remove vm_insert_page permanently and replace it with new API vmf_insert_page which will return vm_fault_t type. As part of it vm_insert_page is removed from this driver.
remap_pfn_range() will be used to map kernel memory to user vma. Signed-off-by: Souptick Joarder <[email protected]> --- drivers/auxdisplay/cfag12864bfb.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/auxdisplay/cfag12864bfb.c b/drivers/auxdisplay/cfag12864bfb.c index 40c8a55..3b4411d 100644 --- a/drivers/auxdisplay/cfag12864bfb.c +++ b/drivers/auxdisplay/cfag12864bfb.c @@ -52,8 +52,12 @@ static int cfag12864bfb_mmap(struct fb_info *info, struct vm_area_struct *vma) { - return vm_insert_page(vma, vma->vm_start, - virt_to_page(cfag12864b_buffer)); + struct page *page; + unsigned long size = vma->vm_end - vma->vm_start; + + page = virt_to_page(cfag12864b_buffer); + return remap_pfn_range(vma, vma->vm_start, page_to_pfn(page), + size, vma->vm_page_prot); } static struct fb_ops cfag12864bfb_ops = { -- 1.9.1
