diff options
| author | Michael Hennerich <michael.hennerich@analog.com> | 2010-03-10 15:21:24 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-12 15:52:32 -0800 |
| commit | d40f29bff30a1a50d7ad69bd150c9cda1ce1ba9d (patch) | |
| tree | dd83d32b45588d06e1150f899f93faf6c1d6f566 /drivers/video/bf54x-lq043fb.c | |
| parent | 0d3580d40cc38bbaf63d0b2756931e0ae241a9ea (diff) | |
fbdev: bf54x-lq043fb/bfin-t350mcqb-fb: drop custom mmap() handler
The common Blackfin code implements the get_fb_unmapped_area() function,
so we no longer need to have our own mmap() handler. The common fb code
will take care of everything for us now.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video/bf54x-lq043fb.c')
| -rw-r--r-- | drivers/video/bf54x-lq043fb.c | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/drivers/video/bf54x-lq043fb.c b/drivers/video/bf54x-lq043fb.c index e49ae5edcc00..814312a7452f 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, }; |