mirror of
https://github.com/torvalds/linux.git
synced 2024-12-21 02:21:36 +00:00
cb6dc512b7
By moving dma_mask into pdev_archdata, and adding archdata to struct of_device, it makes it possible to substitute of_device with struct platform_device, which is a stepping stone to removing the of_platform bus entirely. Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
35 lines
652 B
C
35 lines
652 B
C
/*
|
|
* Arch specific extensions to struct device
|
|
*
|
|
* This file is released under the GPLv2
|
|
*/
|
|
#ifndef _ASM_POWERPC_DEVICE_H
|
|
#define _ASM_POWERPC_DEVICE_H
|
|
|
|
struct dma_map_ops;
|
|
struct device_node;
|
|
|
|
struct dev_archdata {
|
|
/* DMA operations on that device */
|
|
struct dma_map_ops *dma_ops;
|
|
|
|
/*
|
|
* When an iommu is in use, dma_data is used as a ptr to the base of the
|
|
* iommu_table. Otherwise, it is a simple numerical offset.
|
|
*/
|
|
union {
|
|
dma_addr_t dma_offset;
|
|
void *iommu_table_base;
|
|
} dma_data;
|
|
|
|
#ifdef CONFIG_SWIOTLB
|
|
dma_addr_t max_direct_dma_addr;
|
|
#endif
|
|
};
|
|
|
|
struct pdev_archdata {
|
|
u64 dma_mask;
|
|
};
|
|
|
|
#endif /* _ASM_POWERPC_DEVICE_H */
|