mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-15 15:15:47 +00:00
762afb7317
This patch adds max_direct_dma_addr to struct dev_archdata to remove addr_needs_map in struct dma_mapping_ops. It also converts dma_capable() to use max_direct_dma_addr. max_direct_dma_addr is initialized in pci_dma_dev_setup_swiotlb(), called via ppc_md.pci_dma_dev_setup hook. For further information: http://marc.info/?t=124719060200001&r=1&w=2 Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by: Becky Bruce <beckyb@kernel.crashing.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
36 lines
726 B
C
36 lines
726 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_mapping_ops;
|
|
struct device_node;
|
|
|
|
struct dev_archdata {
|
|
/* Optional pointer to an OF device node */
|
|
struct device_node *of_node;
|
|
|
|
/* DMA operations on that device */
|
|
struct dma_mapping_ops *dma_ops;
|
|
void *dma_data;
|
|
#ifdef CONFIG_SWIOTLB
|
|
dma_addr_t max_direct_dma_addr;
|
|
#endif
|
|
};
|
|
|
|
static inline void dev_archdata_set_node(struct dev_archdata *ad,
|
|
struct device_node *np)
|
|
{
|
|
ad->of_node = np;
|
|
}
|
|
|
|
static inline struct device_node *
|
|
dev_archdata_get_node(const struct dev_archdata *ad)
|
|
{
|
|
return ad->of_node;
|
|
}
|
|
|
|
#endif /* _ASM_POWERPC_DEVICE_H */
|