static void cpdma_desc_pool_destroy(struct cpdma_desc_pool *pool)
{
- unsigned long flags;
-
if (!pool)
return;
- spin_lock_irqsave(&pool->lock, flags);
WARN_ON(pool->used_desc);
if (pool->cpumap) {
dma_free_coherent(pool->dev, pool->mem_size, pool->cpumap,
} else {
iounmap(pool->iomap);
}
- spin_unlock_irqrestore(&pool->lock, flags);
}
static inline dma_addr_t desc_phys(struct cpdma_desc_pool *pool,
cpdma_chan_stop(chan);
ctlr->channels[chan->chan_num] = NULL;
spin_unlock_irqrestore(&ctlr->lock, flags);
- kfree(chan);
return 0;
}
EXPORT_SYMBOL_GPL(cpdma_chan_destroy);