void ion_cp_free(struct ion_heap *heap, ion_phys_addr_t addr,
unsigned long size)
{
struct ion_cp_heap *cp_heap =
container_of(heap, struct ion_cp_heap, heap);
if (addr == ION_CP_ALLOCATE_FAIL)
return;
gen_pool_free(cp_heap->pool, addr, size);
mutex_lock(&cp_heap->lock);
cp_heap->allocated_bytes -= size;
if (!cp_heap->allocated_bytes) {
unsigned int i;
for (i = 0; i < MAX_DOMAINS; ++i) {
if (cp_heap->iommu_iova[i]) {
unsigned long vaddr_len = cp_heap->total_size;
if (i == cp_heap->iommu_2x_map_domain)
vaddr_len <<= 1;
iommu_unmap_all(i, cp_heap);
msm_free_iova_address(cp_heap->iommu_iova[i], i,
cp_heap->iommu_partition[i],
vaddr_len);
}
cp_heap->iommu_iova[i] = 0;
cp_heap->iommu_partition[i] = 0;
}
}
mutex_unlock(&cp_heap->lock);
}
void ion_cp_free(struct ion_heap *heap, ion_phys_addr_t addr,
unsigned long size)
{
struct ion_cp_heap *cp_heap =
container_of(heap, struct ion_cp_heap, heap);
if (addr == ION_CP_ALLOCATE_FAIL)
return;
gen_pool_free(cp_heap->pool, addr, size);
mutex_lock(&cp_heap->lock);
cp_heap->allocated_bytes -= size;
if (cp_heap->reusable && !cp_heap->allocated_bytes &&
cp_heap->heap_protected == HEAP_NOT_PROTECTED) {
if (fmem_set_state(FMEM_T_STATE) != 0)
pr_err("%s: unable to transition heap to T-state\n",
__func__);
}
/* Unmap everything if we previously mapped the whole heap at once. */
if (!cp_heap->allocated_bytes) {
unsigned int i;
for (i = 0; i < MAX_DOMAINS; ++i) {
if (cp_heap->iommu_iova[i]) {
unsigned long vaddr_len = cp_heap->total_size;
if (i == cp_heap->iommu_2x_map_domain)
vaddr_len <<= 1;
iommu_unmap_all(i, cp_heap);
msm_free_iova_address(cp_heap->iommu_iova[i], i,
cp_heap->iommu_partition[i],
vaddr_len);
}
cp_heap->iommu_iova[i] = 0;
cp_heap->iommu_partition[i] = 0;
}
}
mutex_unlock(&cp_heap->lock);
}