/**
* snd_free_pages - release the pages
* @ptr: the buffer pointer to release
* @size: the allocated buffer size
*
* Releases the buffer allocated via snd_malloc_pages().
*/
void snd_free_pages(void *ptr, size_t size)
{
int pg;
if (ptr == NULL)
return;
for (pg = 0; PAGE_SIZE * (1 << pg) < size; pg++);
unmark_pages(ptr, pg);
free_pages((unsigned long) ptr, pg);
}
/**
* snd_free_pages - release the pages
* @ptr: the buffer pointer to release
* @size: the allocated buffer size
*
* Releases the buffer allocated via snd_malloc_pages().
*/
void snd_free_pages(void *ptr, size_t size)
{
int pg;
if (ptr == NULL)
return;
pg = get_order(size);
dec_snd_pages(pg);
unmark_pages(virt_to_page(ptr), pg);
free_pages((unsigned long) ptr, pg);
}
static void snd_free_dev_pages(struct device *dev, size_t size, void *ptr,
dma_addr_t dma)
{
int pg;
if (ptr == NULL)
return;
pg = get_order(size);
unmark_pages(ptr, pg);
dma_free_coherent(dev, PAGE_SIZE << pg, ptr, dma);
}
static void snd_free_sbus_pages(struct device *dev, size_t size,
void *ptr, dma_addr_t dma_addr)
{
struct sbus_dev *sdev = (struct sbus_dev *)dev;
int pg;
if (ptr == NULL)
return;
for (pg = 0; PAGE_SIZE * (1 << pg) < size; pg++);
unmark_pages(ptr, pg);
sbus_free_consistent(sdev, PAGE_SIZE * (1 << pg), ptr, dma_addr);
}
/* free the coherent DMA pages */
static void snd_free_dev_pages(struct device *dev, size_t size, void *ptr,
dma_addr_t dma)
{
int pg;
if (ptr == NULL)
return;
pg = get_order(size);
dec_snd_pages(pg);
#ifdef NEED_RESERVE_PAGES
unmark_pages(virt_to_page(ptr), pg); /* should be dma_to_page() */
#endif
dma_free_coherent(dev, PAGE_SIZE << pg, ptr, dma);
}
