void __iomem *
ioremap_coherent(phys_addr_t addr, unsigned long size)
{
pgprot_t prot = pgprot_cached(PAGE_KERNEL);
return __ioremap_caller(addr, size, prot, __builtin_return_address(0));
}
static int sprdfb_mmap(struct fb_info *info,struct vm_area_struct *vma)
{
struct sprdfb_device *dev = NULL;
if(NULL == info){
printk(KERN_ERR "sprdfb: sprdfb_ioctl error. (Invalid Parameter)");
return -1;
}
dev = info->par;
printk("sprdfb: sprdfb_mmap,vma=0x%x\n",vma);
vma->vm_page_prot = pgprot_cached(vma->vm_page_prot);
dev->ctrl->set_vma(vma);
return vm_iomap_memory(vma, info->fix.smem_start, info->fix.smem_len);
}
static int v3d_mmap(struct file *filp, struct vm_area_struct *vma)
{
unsigned long vma_size = vma->vm_end - vma->vm_start;
v3d_t *dev = (v3d_t *)(filp->private_data);
if (vma_size & (~PAGE_MASK)) {
pr_err(KERN_ERR "v3d_mmap: mmaps must be aligned to a multiple of pages_size.\n");
return -EINVAL;
}
if (!vma->vm_pgoff) {
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
}
else
{
vma->vm_page_prot = pgprot_cached(vma->vm_page_prot);
}
if (!vma->vm_pgoff) {
vma->vm_pgoff = BCM21553_V3D_BASE >> PAGE_SHIFT;
} else if (vma->vm_pgoff != (dev->mempool.addr >> PAGE_SHIFT)) {