Merge tag 'fbdev-for-3.10' of git://gitorious.org/linux-omap-dss2/linux

Pull fbdev updates from Tomi Valkeinen:

 - use vm_iomap_memory() in various fb drivers to map the fb memory to
   userspace

 - Cleanups for the videomode and display_timing features

 - Updates to vt8500, wm8505 and auo-k190x fb drivers

* tag 'fbdev-for-3.10' of git://gitorious.org/linux-omap-dss2/linux: (36 commits)
  fbdev: fix check for fb_mmap's mmio availability
  fbdev: improve fb_mmap bounds checks
  fbdev/ps3fb: use vm_iomap_memory()
  fbdev/sgivwfb: use vm_iomap_memory()
  fbdev/vermillion: use vm_iomap_memory()
  fbdev/sa1100fb: use vm_iomap_memory()
  fbdev/fb-puv3: use vm_iomap_memory()
  fbdev/controlfb: use vm_iomap_memory()
  fbdev/omapfb: use vm_iomap_memory()
  video: vt8500: fix Kconfig for videomode
  video/s3c: move platform_data out of arch/arm
  video/exynos: remove unnecessary header inclusions
  drivers/video: fsl-diu-fb: add hardware cursor support
  drivers: video: use module_platform_driver_probe()
  ARM: OMAP: remove "config FB_OMAP_CONSISTENT_DMA_SIZE"
  video: wm8505fb: Convert to devm_ioremap_resource()
  AUO-K190x: Add resolutions for portrait displays
  AUO-K190x: add framebuffer rotation support
  AUO-K190x: add a 16bit truecolor mode
  AUO-K190x: make color handling more flexible
  ...

1 files changed, 7 insertions, 23 deletions

diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c
index ca585ef37f25..717f13a93351 100644
--- a/drivers/video/omap2/omapfb/omapfb-main.c
+++ b/drivers/video/omap2/omapfb/omapfb-main.c
@@ -1101,41 +1101,25 @@ static int omapfb_mmap(struct fb_info *fbi, struct vm_area_struct *vma)
 	struct omapfb_info *ofbi = FB2OFB(fbi);
 	struct fb_fix_screeninfo *fix = &fbi->fix;
 	struct omapfb2_mem_region *rg;
-	unsigned long off;
 	unsigned long start;
 	u32 len;
-	int r = -EINVAL;
-
-	if (vma->vm_end - vma->vm_start == 0)
-		return 0;
-	if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT))
-		return -EINVAL;
-	off = vma->vm_pgoff << PAGE_SHIFT;
+	int r;
 
 	rg = omapfb_get_mem_region(ofbi->region);
 
 	start = omapfb_get_region_paddr(ofbi);
 	len = fix->smem_len;
-	if (off >= len)
-		goto error;
-	if ((vma->vm_end - vma->vm_start + off) > len)
-		goto error;
-
-	off += start;
 
-	DBG("user mmap region start %lx, len %d, off %lx\n", start, len, off);
+	DBG("user mmap region start %lx, len %d, off %lx\n", start, len,
+			vma->vm_pgoff << PAGE_SHIFT);
 
-	vma->vm_pgoff = off >> PAGE_SHIFT;
-	/* VM_IO | VM_DONTEXPAND | VM_DONTDUMP are set by remap_pfn_range() */
 	vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
 	vma->vm_ops = &mmap_user_ops;
 	vma->vm_private_data = rg;
-	if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,
-			       vma->vm_end - vma->vm_start,
-			       vma->vm_page_prot)) {
-		r = -EAGAIN;
+
+	r = vm_iomap_memory(vma, start, len);
+	if (r)
 		goto error;
-	}
 
 	/* vm_ops.open won't be called for mmap itself. */
 	atomic_inc(&rg->map_count);
@@ -1144,7 +1128,7 @@ static int omapfb_mmap(struct fb_info *fbi, struct vm_area_struct *vma)
 
 	return 0;
 
- error:
+error:
 	omapfb_put_mem_region(ofbi->region);
 
 	return r;