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 2549c53b26a0..5653d083a983 100644 --- a/drivers/video/bfin-t350mcqb-fb.c +++ b/drivers/video/bfin-t350mcqb-fb.c | |||
@@ -87,7 +87,6 @@ struct bfin_t350mcqbfb_info { | |||
87 | struct device *dev; | 87 | struct device *dev; |
88 | unsigned char *fb_buffer; /* RGB Buffer */ | 88 | unsigned char *fb_buffer; /* RGB Buffer */ |
89 | dma_addr_t dma_handle; | 89 | dma_addr_t dma_handle; |
90 | int lq043_mmap; | ||
91 | int lq043_open_cnt; | 90 | int lq043_open_cnt; |
92 | int irq; | 91 | int irq; |
93 | spinlock_t lock; /* lock */ | 92 | spinlock_t lock; /* lock */ |
@@ -235,7 +234,6 @@ static int bfin_t350mcqb_fb_release(struct fb_info *info, int user) | |||
235 | spin_lock(&fbi->lock); | 234 | spin_lock(&fbi->lock); |
236 | 235 | ||
237 | fbi->lq043_open_cnt--; | 236 | fbi->lq043_open_cnt--; |
238 | fbi->lq043_mmap = 0; | ||
239 | 237 | ||
240 | if (fbi->lq043_open_cnt <= 0) { | 238 | if (fbi->lq043_open_cnt <= 0) { |
241 | bfin_t350mcqb_disable_ppi(); | 239 | bfin_t350mcqb_disable_ppi(); |
@@ -293,32 +291,6 @@ static int bfin_t350mcqb_fb_check_var(struct fb_var_screeninfo *var, | |||
293 | return 0; | 291 | return 0; |
294 | } | 292 | } |
295 | 293 | ||
296 | static int bfin_t350mcqb_fb_mmap(struct fb_info *info, struct vm_area_struct *vma) | ||
297 | { | ||
298 | struct bfin_t350mcqbfb_info *fbi = info->par; | ||
299 | |||
300 | if (fbi->lq043_mmap) | ||
301 | return -1; | ||
302 | |||
303 | spin_lock(&fbi->lock); | ||
304 | fbi->lq043_mmap = 1; | ||
305 | spin_unlock(&fbi->lock); | ||
306 | |||
307 | vma->vm_start = (unsigned long)(fbi->fb_buffer + ACTIVE_VIDEO_MEM_OFFSET); | ||
308 | |||
309 | vma->vm_end = vma->vm_start + info->fix.smem_len; | ||
310 | /* For those who don't understand how mmap works, go read | ||
311 | * Documentation/nommu-mmap.txt. | ||
312 | * For those that do, you will know that the VM_MAYSHARE flag | ||
313 | * must be set in the vma->vm_flags structure on noMMU | ||
314 | * Other flags can be set, and are documented in | ||
315 | * include/linux/mm.h | ||
316 | */ | ||
317 | vma->vm_flags |= VM_MAYSHARE | VM_SHARED; | ||
318 | |||
319 | return 0; | ||
320 | } | ||
321 | |||
322 | int bfin_t350mcqb_fb_cursor(struct fb_info *info, struct fb_cursor *cursor) | 294 | int bfin_t350mcqb_fb_cursor(struct fb_info *info, struct fb_cursor *cursor) |
323 | { | 295 | { |
324 | if (nocursor) | 296 | if (nocursor) |
@@ -370,7 +342,6 @@ static struct fb_ops bfin_t350mcqb_fb_ops = { | |||
370 | .fb_fillrect = cfb_fillrect, | 342 | .fb_fillrect = cfb_fillrect, |
371 | .fb_copyarea = cfb_copyarea, | 343 | .fb_copyarea = cfb_copyarea, |
372 | .fb_imageblit = cfb_imageblit, | 344 | .fb_imageblit = cfb_imageblit, |
373 | .fb_mmap = bfin_t350mcqb_fb_mmap, | ||
374 | .fb_cursor = bfin_t350mcqb_fb_cursor, | 345 | .fb_cursor = bfin_t350mcqb_fb_cursor, |
375 | .fb_setcolreg = bfin_t350mcqb_fb_setcolreg, | 346 | .fb_setcolreg = bfin_t350mcqb_fb_setcolreg, |
376 | }; | 347 | }; |