22 Oct
2013
22 Oct
'13
2:06 p.m.
On 10/22/2013 05:00 AM, Nicolin Chen wrote: [...]
+/**
- snd_free_dev_iram - free allocated specific memory from on-chip internal memory
- @dev: DMA device pointer
- @size: size in bytes of memory to free
- @ptr: cpu-view address returned from snd_malloc_dev_iram
- This function requires iram phandle provided via of_node
- */
+void snd_free_dev_iram(struct device *dev, size_t size, void *ptr) +{
- struct gen_pool *pool = NULL;
- if (!dev->of_node)
return;- pool = of_get_named_gen_pool(dev->of_node, "iram", 0);
- if (!pool)
return;
I've had a closer look at the other SNDRV_DMA_TYPE implementations and I think a better way to handle this is to assign the pool to the snd_dma_buffer's private_data field and then use it here instead of looking the pool up again. This will also make it easier to use a non-OF lookup scheme.
- gen_pool_free(pool, (unsigned long)ptr, size);
+} #endif /* CONFIG_HAS_DMA */
/*