mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-15 08:56:48 +07:00
22 lines
467 B
C
22 lines
467 B
C
|
#ifndef __OF_IOMMU_H
|
||
|
|
#define __OF_IOMMU_H
|
||
|
|
|
||
|
|
#ifdef CONFIG_OF_IOMMU
|
||
|
|
|
||
|
|
extern int of_get_dma_window(struct device_node *dn, const char *prefix,
|
||
|
|
int index, unsigned long *busno, dma_addr_t *addr,
|
||
|
|
size_t *size);
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
static inline int of_get_dma_window(struct device_node *dn, const char *prefix,
|
||
|
|
int index, unsigned long *busno, dma_addr_t *addr,
|
||
|
|
size_t *size)
|
||
|
|
{
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* CONFIG_OF_IOMMU */
|
||
|
|
|
||
|
|
#endif /* __OF_IOMMU_H */
|