mirror of
https://github.com/torvalds/linux.git
synced 2024-11-07 04:32:03 +00:00
25 lines
469 B
C
25 lines
469 B
C
#include <linux/dma-mapping.h>
|
|
#include <linux/export.h>
|
|
|
|
/* Set this to 1 if there is a HW IOMMU in the system */
|
|
int iommu_detected __read_mostly;
|
|
|
|
struct dma_map_ops *dma_ops;
|
|
EXPORT_SYMBOL(dma_ops);
|
|
|
|
#define PREALLOC_DMA_DEBUG_ENTRIES (1 << 16)
|
|
|
|
static int __init dma_init(void)
|
|
{
|
|
dma_debug_init(PREALLOC_DMA_DEBUG_ENTRIES);
|
|
|
|
return 0;
|
|
}
|
|
fs_initcall(dma_init);
|
|
|
|
struct dma_map_ops *dma_get_ops(struct device *dev)
|
|
{
|
|
return dma_ops;
|
|
}
|
|
EXPORT_SYMBOL(dma_get_ops);
|