static void dmaengine_destroy_unmap_pool(void)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(unmap_pool); i++) {
		struct dmaengine_unmap_pool *p = &unmap_pool[i];

		if (p->pool)
			mempool_destroy(p->pool);
		p->pool = NULL;
		if (p->cache)
			kmem_cache_destroy(p->cache);
		p->cache = NULL;
	}
}
static void dmaengine_destroy_unmap_pool(void)
{
	int i;

	for (i = 0; i < ARRAY_SIZE(unmap_pool); i++) {
		struct dmaengine_unmap_pool *p = &unmap_pool[i];

		if (p->pool)
			mempool_destroy(p->pool);
		p->pool = NULL;
		if (p->cache)
			kmem_cache_destroy(p->cache);
		p->cache = NULL;
	}
}