diff options
Diffstat (limited to 'gm12u320_fb.c')
| -rw-r--r-- | gm12u320_fb.c | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/gm12u320_fb.c b/gm12u320_fb.c index 5093f0b..1d59b61 100644 --- a/gm12u320_fb.c +++ b/gm12u320_fb.c @@ -29,38 +29,6 @@ struct gm12u320_fbdev { struct list_head fbdev_list; }; -static int gm12u320_fb_mmap(struct fb_info *info, struct vm_area_struct *vma) -{ - unsigned long start = vma->vm_start; - unsigned long size = vma->vm_end - vma->vm_start; - unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; - unsigned long page, pos; - - if (offset + size > info->fix.smem_len) - return -EINVAL; - - pos = (unsigned long)info->fix.smem_start + offset; - - pr_notice("mmap() framebuffer addr:%lu size:%lu\n", - pos, size); - - while (size > 0) { - page = vmalloc_to_pfn((void *)pos); - if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) - return -EAGAIN; - - start += PAGE_SIZE; - pos += PAGE_SIZE; - if (size > PAGE_SIZE) - size -= PAGE_SIZE; - else - size = 0; - } - - /* VM_IO | VM_DONTEXPAND | VM_DONTDUMP are set by remap_pfn_range() */ - return 0; -} - static int gm12u320_fb_open(struct fb_info *info, int user) { struct gm12u320_fbdev *fbdev = info->par; @@ -73,11 +41,6 @@ static int gm12u320_fb_open(struct fb_info *info, int user) return 0; } -static int gm12u320_fb_release(struct fb_info *info, int user) -{ - return 0; -} - static struct fb_ops gm12u320_fb_ops = { .owner = THIS_MODULE, .fb_check_var = drm_fb_helper_check_var, @@ -90,9 +53,7 @@ static struct fb_ops gm12u320_fb_ops = { .fb_setcmap = drm_fb_helper_setcmap, .fb_debug_enter = drm_fb_helper_debug_enter, .fb_debug_leave = drm_fb_helper_debug_leave, - .fb_mmap = gm12u320_fb_mmap, .fb_open = gm12u320_fb_open, - .fb_release = gm12u320_fb_release, }; static void gm12u320_fb_defio_cb(struct fb_info *info, struct list_head *pl) |