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sparc: Convert all SBUS drivers to dma_*() interfaces.

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And all the SBUS dma interfaces are deleted.

A private implementation remains inside of the 32-bit sparc port which
exists only for the sake of the implementation of dma_*().

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2008-08-27 18:09:11 -07:00
parent 944c67dff7
commit 738f2b7b81
14 changed files with 206 additions and 310 deletions
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17
arch/sparc/include/asm/sbus_32.h
View File

@ -109,26 +109,9 @@ extern void sbus_set_sbus64(struct sbus_dev *, int);
extern void sbus_fill_device_irq(struct sbus_dev *);
/* These yield IOMMU mappings in consistent mode. */
extern void *sbus_alloc_consistent(struct device *, long, u32 *dma_addrp);
extern void sbus_free_consistent(struct device *, long, void *, u32);
void prom_adjust_ranges(struct linux_prom_ranges *, int,
struct linux_prom_ranges *, int);
#define SBUS_DMA_BIDIRECTIONAL DMA_BIDIRECTIONAL
#define SBUS_DMA_TODEVICE DMA_TO_DEVICE
#define SBUS_DMA_FROMDEVICE DMA_FROM_DEVICE
#define SBUS_DMA_NONE DMA_NONE
/* All the rest use streaming mode mappings. */
extern dma_addr_t sbus_map_single(struct device *, void *, size_t, int);
extern void sbus_unmap_single(struct device *, dma_addr_t, size_t, int);
extern int sbus_map_sg(struct device *, struct scatterlist *, int, int);
extern void sbus_unmap_sg(struct device *, struct scatterlist *, int, int);
/* Finally, allow explicit synchronization of streamable mappings. */
extern void sbus_dma_sync_single_for_cpu(struct device *, dma_addr_t, size_t, int);
extern void sbus_dma_sync_single_for_device(struct device *, dma_addr_t, size_t, int);
/* Eric Brower (ebrower@usa.net)
* Translate SBus interrupt levels to ino values--
* this is used when converting sbus "interrupts" OBP

63
arch/sparc/include/asm/sbus_64.h
View File

@ -100,69 +100,6 @@ extern struct sbus_bus *sbus_root;
extern void sbus_set_sbus64(struct sbus_dev *, int);
extern void sbus_fill_device_irq(struct sbus_dev *);
static inline void *sbus_alloc_consistent(struct device *dev , size_t size,
dma_addr_t *dma_handle)
{
return dma_alloc_coherent(dev, size, dma_handle, GFP_ATOMIC);
}
static inline void sbus_free_consistent(struct device *dev, size_t size,
void *vaddr, dma_addr_t dma_handle)
{
return dma_free_coherent(dev, size, vaddr, dma_handle);
}
#define SBUS_DMA_BIDIRECTIONAL DMA_BIDIRECTIONAL
#define SBUS_DMA_TODEVICE DMA_TO_DEVICE
#define SBUS_DMA_FROMDEVICE DMA_FROM_DEVICE
#define SBUS_DMA_NONE DMA_NONE
/* All the rest use streaming mode mappings. */
static inline dma_addr_t sbus_map_single(struct device *dev, void *ptr,
size_t size, int direction)
{
return dma_map_single(dev, ptr, size,
(enum dma_data_direction) direction);
}
static inline void sbus_unmap_single(struct device *dev,
dma_addr_t dma_addr, size_t size,
int direction)
{
dma_unmap_single(dev, dma_addr, size,
(enum dma_data_direction) direction);
}
static inline int sbus_map_sg(struct device *dev, struct scatterlist *sg,
int nents, int direction)
{
return dma_map_sg(dev, sg, nents,
(enum dma_data_direction) direction);
}
static inline void sbus_unmap_sg(struct device *dev, struct scatterlist *sg,
int nents, int direction)
{
dma_unmap_sg(dev, sg, nents,
(enum dma_data_direction) direction);
}
/* Finally, allow explicit synchronization of streamable mappings. */
static inline void sbus_dma_sync_single_for_cpu(struct device *dev,
dma_addr_t dma_handle,
size_t size, int direction)
{
dma_sync_single_for_cpu(dev, dma_handle, size,
(enum dma_data_direction) direction);
}
static inline void sbus_dma_sync_single_for_device(struct device *dev,
dma_addr_t dma_handle,
size_t size, int direction)
{
/* No flushing needed to sync cpu writes to the device. */
}
extern void sbus_arch_bus_ranges_init(struct device_node *, struct sbus_bus *);
extern void sbus_setup_iommu(struct sbus_bus *, struct device_node *);
extern void sbus_setup_arch_props(struct sbus_bus *, struct device_node *);

8
arch/sparc/kernel/sparc_ksyms.c
View File

@ -155,14 +155,6 @@ EXPORT_SYMBOL(BTFIXUP_CALL(pgprot_noncached));
#ifdef CONFIG_SBUS
EXPORT_SYMBOL(sbus_root);
EXPORT_SYMBOL(sbus_set_sbus64);
EXPORT_SYMBOL(sbus_alloc_consistent);
EXPORT_SYMBOL(sbus_free_consistent);
EXPORT_SYMBOL(sbus_map_single);
EXPORT_SYMBOL(sbus_unmap_single);
EXPORT_SYMBOL(sbus_map_sg);
EXPORT_SYMBOL(sbus_unmap_sg);
EXPORT_SYMBOL(sbus_dma_sync_single_for_cpu);
EXPORT_SYMBOL(sbus_dma_sync_single_for_device);
EXPORT_SYMBOL(sbus_iounmap);
EXPORT_SYMBOL(sbus_ioremap);
#endif