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path: root/drivers/video/bf54x-lq043fb.c
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Diffstat (limited to 'drivers/video/bf54x-lq043fb.c')
-rw-r--r--drivers/video/bf54x-lq043fb.c30
1 files changed, 0 insertions, 30 deletions
diff --git a/drivers/video/bf54x-lq043fb.c b/drivers/video/bf54x-lq043fb.c
index e49ae5edcc0..814312a7452 100644
--- a/drivers/video/bf54x-lq043fb.c
+++ b/drivers/video/bf54x-lq043fb.c
@@ -82,7 +82,6 @@ struct bfin_bf54xfb_info {
unsigned char *fb_buffer; /* RGB Buffer */
dma_addr_t dma_handle;
- int lq043_mmap;
int lq043_open_cnt;
int irq;
spinlock_t lock; /* lock */
@@ -316,7 +315,6 @@ static int bfin_bf54x_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) {
@@ -374,33 +372,6 @@ static int bfin_bf54x_fb_check_var(struct fb_var_screeninfo *var,
return 0;
}
-static int bfin_bf54x_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
-{
-
- struct bfin_bf54xfb_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);
-
- 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_bf54x_fb_cursor(struct fb_info *info, struct fb_cursor *cursor)
{
if (nocursor)
@@ -452,7 +423,6 @@ static struct fb_ops bfin_bf54x_fb_ops = {
.fb_fillrect = cfb_fillrect,
.fb_copyarea = cfb_copyarea,
.fb_imageblit = cfb_imageblit,
- .fb_mmap = bfin_bf54x_fb_mmap,
.fb_cursor = bfin_bf54x_fb_cursor,
.fb_setcolreg = bfin_bf54x_fb_setcolreg,
};