diff options
Diffstat (limited to 'drivers/video/bfin-t350mcqb-fb.c')
| -rw-r--r-- | drivers/video/bfin-t350mcqb-fb.c | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/drivers/video/bfin-t350mcqb-fb.c b/drivers/video/bfin-t350mcqb-fb.c index 2549c53b26a..5653d083a98 100644 --- a/drivers/video/bfin-t350mcqb-fb.c +++ b/drivers/video/bfin-t350mcqb-fb.c @@ -87,7 +87,6 @@ struct bfin_t350mcqbfb_info { struct device *dev; unsigned char *fb_buffer; /* RGB Buffer */ dma_addr_t dma_handle; - int lq043_mmap; int lq043_open_cnt; int irq; spinlock_t lock; /* lock */ @@ -235,7 +234,6 @@ static int bfin_t350mcqb_fb_release(struct fb_info *info, int user) spin_lock(&fbi->lock); fbi->lq043_open_cnt--; - fbi->lq043_mmap = 0; if (fbi->lq043_open_cnt <= 0) { bfin_t350mcqb_disable_ppi(); @@ -293,32 +291,6 @@ static int bfin_t350mcqb_fb_check_var(struct fb_var_screeninfo *var, return 0; } -static int bfin_t350mcqb_fb_mmap(struct fb_info *info, struct vm_area_struct *vma) -{ - struct bfin_t350mcqbfb_info *fbi = info->par; - - if (fbi->lq043_mmap) - return -1; - - spin_lock(&fbi->lock); - fbi->lq043_mmap = 1; - spin_unlock(&fbi->lock); - - vma->vm_start = (unsigned long)(fbi->fb_buffer + ACTIVE_VIDEO_MEM_OFFSET); - - vma->vm_end = vma->vm_start + info->fix.smem_len; - /* For those who don't understand how mmap works, go read - * Documentation/nommu-mmap.txt. - * For those that do, you will know that the VM_MAYSHARE flag - * must be set in the vma->vm_flags structure on noMMU - * Other flags can be set, and are documented in - * include/linux/mm.h - */ - vma->vm_flags |= VM_MAYSHARE | VM_SHARED; - - return 0; -} - int bfin_t350mcqb_fb_cursor(struct fb_info *info, struct fb_cursor *cursor) { if (nocursor) @@ -370,7 +342,6 @@ static struct fb_ops bfin_t350mcqb_fb_ops = { .fb_fillrect = cfb_fillrect, .fb_copyarea = cfb_copyarea, .fb_imageblit = cfb_imageblit, - .fb_mmap = bfin_t350mcqb_fb_mmap, .fb_cursor = bfin_t350mcqb_fb_cursor, .fb_setcolreg = bfin_t350mcqb_fb_setcolreg, }; |