27 void k3_cppi_desc_pool_destroy(struct k3_cppi_desc_pool *pool)  in k3_cppi_desc_pool_destroy()  argument
29 	if (!pool)  in k3_cppi_desc_pool_destroy()
32 	WARN(gen_pool_size(pool->gen_pool) != gen_pool_avail(pool->gen_pool),  in k3_cppi_desc_pool_destroy()
34 	     gen_pool_size(pool->gen_pool),  in k3_cppi_desc_pool_destroy()
35 	     gen_pool_avail(pool->gen_pool));  in k3_cppi_desc_pool_destroy()
36 	if (pool->cpumem)  in k3_cppi_desc_pool_destroy()
37 		dma_free_coherent(pool->dev, pool->mem_size, pool->cpumem,  in k3_cppi_desc_pool_destroy()
38 				  pool->dma_addr);  in k3_cppi_desc_pool_destroy()
40 	gen_pool_destroy(pool->gen_pool);	/* frees pool->name */  in k3_cppi_desc_pool_destroy()
48 	struct k3_cppi_desc_pool *pool;  in k3_cppi_desc_pool_create_name()  local
52 	pool = devm_kzalloc(dev, sizeof(*pool), GFP_KERNEL);  in k3_cppi_desc_pool_create_name()
53 	if (!pool)  in k3_cppi_desc_pool_create_name()
56 	pool->dev = dev;  in k3_cppi_desc_pool_create_name()
57 	pool->desc_size	= roundup_pow_of_two(desc_size);  in k3_cppi_desc_pool_create_name()
58 	pool->num_desc	= size;  in k3_cppi_desc_pool_create_name()
59 	pool->mem_size	= pool->num_desc * pool->desc_size;  in k3_cppi_desc_pool_create_name()
61 	pool_name = kstrdup_const(name ? name : dev_name(pool->dev),  in k3_cppi_desc_pool_create_name()
66 	pool->gen_pool = gen_pool_create(ilog2(pool->desc_size), -1);  in k3_cppi_desc_pool_create_name()
67 	if (!pool->gen_pool) {  in k3_cppi_desc_pool_create_name()
69 		dev_err(pool->dev, "pool create failed %d\n", ret);  in k3_cppi_desc_pool_create_name()
74 	pool->gen_pool->name = pool_name;  in k3_cppi_desc_pool_create_name()
76 	pool->cpumem = dma_alloc_coherent(pool->dev, pool->mem_size,  in k3_cppi_desc_pool_create_name()
77 					  &pool->dma_addr, GFP_KERNEL);  in k3_cppi_desc_pool_create_name()
79 	if (!pool->cpumem)  in k3_cppi_desc_pool_create_name()
82 	ret = gen_pool_add_virt(pool->gen_pool, (unsigned long)pool->cpumem,  in k3_cppi_desc_pool_create_name()
83 				(phys_addr_t)pool->dma_addr, pool->mem_size,  in k3_cppi_desc_pool_create_name()
86 		dev_err(pool->dev, "pool add failed %d\n", ret);  in k3_cppi_desc_pool_create_name()
90 	return pool;  in k3_cppi_desc_pool_create_name()
93 	dma_free_coherent(pool->dev, pool->mem_size, pool->cpumem,  in k3_cppi_desc_pool_create_name()
94 			  pool->dma_addr);  in k3_cppi_desc_pool_create_name()
96 	gen_pool_destroy(pool->gen_pool);	/* frees pool->name */  in k3_cppi_desc_pool_create_name()
98 	devm_kfree(pool->dev, pool);  in k3_cppi_desc_pool_create_name()
102 dma_addr_t k3_cppi_desc_pool_virt2dma(struct k3_cppi_desc_pool *pool,  in k3_cppi_desc_pool_virt2dma()  argument
105 	return addr ? pool->dma_addr + (addr - pool->cpumem) : 0;  in k3_cppi_desc_pool_virt2dma()
108 void *k3_cppi_desc_pool_dma2virt(struct k3_cppi_desc_pool *pool, dma_addr_t dma)  in k3_cppi_desc_pool_dma2virt()  argument
110 	return dma ? pool->cpumem + (dma - pool->dma_addr) : NULL;  in k3_cppi_desc_pool_dma2virt()
113 void *k3_cppi_desc_pool_alloc(struct k3_cppi_desc_pool *pool)  in k3_cppi_desc_pool_alloc()  argument
115 	return (void *)gen_pool_alloc(pool->gen_pool, pool->desc_size);  in k3_cppi_desc_pool_alloc()
118 void k3_cppi_desc_pool_free(struct k3_cppi_desc_pool *pool, void *addr)  in k3_cppi_desc_pool_free()  argument
120 	gen_pool_free(pool->gen_pool, (unsigned long)addr, pool->desc_size);  in k3_cppi_desc_pool_free()
123 size_t k3_cppi_desc_pool_avail(struct k3_cppi_desc_pool *pool)  in k3_cppi_desc_pool_avail()  argument
125 	return gen_pool_avail(pool->gen_pool) / pool->desc_size;  in k3_cppi_desc_pool_avail()