kernel-fxtec-pro1x/arch/powerpc/include/asm/device.h
FUJITA Tomonori 762afb7317 powerpc: Remove addr_needs_map in struct dma_mapping_ops
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>
2009-08-28 14:24:09 +10:00

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 */