#include <linux/mm.h>
#include <linux/dma-mapping.h>
#include <linux/genalloc.h>
+#include <linux/vmalloc.h>
#ifdef CONFIG_X86
#include <asm/set_memory.h>
#endif
*
*/
-static inline gfp_t snd_mem_get_gfp_flags(const struct device *dev)
+static inline gfp_t snd_mem_get_gfp_flags(const struct device *dev,
+ gfp_t default_gfp)
{
if (!dev)
- return GFP_KERNEL;
+ return default_gfp;
else
return (__force gfp_t)(unsigned long)dev;
}
int snd_dma_alloc_pages(int type, struct device *device, size_t size,
struct snd_dma_buffer *dmab)
{
+ gfp_t gfp;
+
if (WARN_ON(!size))
return -ENXIO;
if (WARN_ON(!dmab))
dmab->bytes = 0;
switch (type) {
case SNDRV_DMA_TYPE_CONTINUOUS:
- dmab->area = alloc_pages_exact(size,
- snd_mem_get_gfp_flags(device));
+ gfp = snd_mem_get_gfp_flags(device, GFP_KERNEL);
+ dmab->area = alloc_pages_exact(size, gfp);
+ dmab->addr = 0;
+ break;
+ case SNDRV_DMA_TYPE_VMALLOC:
+ gfp = snd_mem_get_gfp_flags(device, GFP_KERNEL | __GFP_HIGHMEM);
+ dmab->area = __vmalloc(size, gfp, PAGE_KERNEL);
dmab->addr = 0;
break;
#ifdef CONFIG_HAS_DMA
case SNDRV_DMA_TYPE_CONTINUOUS:
free_pages_exact(dmab->area, dmab->bytes);
break;
+ case SNDRV_DMA_TYPE_VMALLOC:
+ vfree(dmab->area);
+ break;
#ifdef CONFIG_HAS_DMA
#ifdef CONFIG_GENERIC_ALLOCATOR
case SNDRV_DMA_TYPE_DEV_IRAM: