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authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2010-06-03 19:37:44 -0700
committerJohn W. Linville <linville@tuxdriver.com>2010-06-04 16:00:42 -0400
commit467429b475e56f154f93b3b14fd75f238d14597a (patch)
tree8c12b9b8aee222e55852659ef3f753e73084339b
parent39a6f4bce6b437046edf042f78f7a0529e253bff (diff)
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ssb: remove the ssb DMA API
Now they are unnecessary. We can use the generic DMA API with any bus. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Michael Buesch <mb@bu3sch.de> Cc: Gary Zambrano <zambrano@broadcom.com> Cc: Stefano Brivio <stefano.brivio@polimi.it> Cc: Larry Finger <Larry.Finger@lwfinger.net> Cc: John W. Linville <linville@tuxdriver.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/ssb/main.c74
-rw-r--r--include/linux/ssb/ssb.h157
2 files changed, 0 insertions, 231 deletions
diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c
index a732b396e60..7cee7f4eb60 100644
--- a/drivers/ssb/main.c
+++ b/drivers/ssb/main.c
@@ -1228,80 +1228,6 @@ u32 ssb_dma_translation(struct ssb_device *dev)
}
EXPORT_SYMBOL(ssb_dma_translation);
-int ssb_dma_set_mask(struct ssb_device *dev, u64 mask)
-{
-#ifdef CONFIG_SSB_PCIHOST
- int err;
-#endif
-
- switch (dev->bus->bustype) {
- case SSB_BUSTYPE_PCI:
-#ifdef CONFIG_SSB_PCIHOST
- err = pci_set_dma_mask(dev->bus->host_pci, mask);
- if (err)
- return err;
- err = pci_set_consistent_dma_mask(dev->bus->host_pci, mask);
- return err;
-#endif
- case SSB_BUSTYPE_SSB:
- return dma_set_mask(dev->dev, mask);
- default:
- __ssb_dma_not_implemented(dev);
- }
- return -ENOSYS;
-}
-EXPORT_SYMBOL(ssb_dma_set_mask);
-
-void * ssb_dma_alloc_consistent(struct ssb_device *dev, size_t size,
- dma_addr_t *dma_handle, gfp_t gfp_flags)
-{
- switch (dev->bus->bustype) {
- case SSB_BUSTYPE_PCI:
-#ifdef CONFIG_SSB_PCIHOST
- if (gfp_flags & GFP_DMA) {
- /* Workaround: The PCI API does not support passing
- * a GFP flag. */
- return dma_alloc_coherent(&dev->bus->host_pci->dev,
- size, dma_handle, gfp_flags);
- }
- return pci_alloc_consistent(dev->bus->host_pci, size, dma_handle);
-#endif
- case SSB_BUSTYPE_SSB:
- return dma_alloc_coherent(dev->dev, size, dma_handle, gfp_flags);
- default:
- __ssb_dma_not_implemented(dev);
- }
- return NULL;
-}
-EXPORT_SYMBOL(ssb_dma_alloc_consistent);
-
-void ssb_dma_free_consistent(struct ssb_device *dev, size_t size,
- void *vaddr, dma_addr_t dma_handle,
- gfp_t gfp_flags)
-{
- switch (dev->bus->bustype) {
- case SSB_BUSTYPE_PCI:
-#ifdef CONFIG_SSB_PCIHOST
- if (gfp_flags & GFP_DMA) {
- /* Workaround: The PCI API does not support passing
- * a GFP flag. */
- dma_free_coherent(&dev->bus->host_pci->dev,
- size, vaddr, dma_handle);
- return;
- }
- pci_free_consistent(dev->bus->host_pci, size,
- vaddr, dma_handle);
- return;
-#endif
- case SSB_BUSTYPE_SSB:
- dma_free_coherent(dev->dev, size, vaddr, dma_handle);
- return;
- default:
- __ssb_dma_not_implemented(dev);
- }
-}
-EXPORT_SYMBOL(ssb_dma_free_consistent);
-
int ssb_bus_may_powerdown(struct ssb_bus *bus)
{
struct ssb_chipcommon *cc;
diff --git a/include/linux/ssb/ssb.h b/include/linux/ssb/ssb.h
index 0d5f04316b3..623b704fdc4 100644
--- a/include/linux/ssb/ssb.h
+++ b/include/linux/ssb/ssb.h
@@ -470,14 +470,6 @@ extern u32 ssb_dma_translation(struct ssb_device *dev);
#define SSB_DMA_TRANSLATION_MASK 0xC0000000
#define SSB_DMA_TRANSLATION_SHIFT 30
-extern int ssb_dma_set_mask(struct ssb_device *dev, u64 mask);
-
-extern void * ssb_dma_alloc_consistent(struct ssb_device *dev, size_t size,
- dma_addr_t *dma_handle, gfp_t gfp_flags);
-extern void ssb_dma_free_consistent(struct ssb_device *dev, size_t size,
- void *vaddr, dma_addr_t dma_handle,
- gfp_t gfp_flags);
-
static inline void __cold __ssb_dma_not_implemented(struct ssb_device *dev)
{
#ifdef CONFIG_SSB_DEBUG
@@ -486,155 +478,6 @@ static inline void __cold __ssb_dma_not_implemented(struct ssb_device *dev)
#endif /* DEBUG */
}
-static inline int ssb_dma_mapping_error(struct ssb_device *dev, dma_addr_t addr)
-{
- switch (dev->bus->bustype) {
- case SSB_BUSTYPE_PCI:
-#ifdef CONFIG_SSB_PCIHOST
- return pci_dma_mapping_error(dev->bus->host_pci, addr);
-#endif
- break;
- case SSB_BUSTYPE_SSB:
- return dma_mapping_error(dev->dev, addr);
- default:
- break;
- }
- __ssb_dma_not_implemented(dev);
- return -ENOSYS;
-}
-
-static inline dma_addr_t ssb_dma_map_single(struct ssb_device *dev, void *p,
- size_t size, enum dma_data_direction dir)
-{
- switch (dev->bus->bustype) {
- case SSB_BUSTYPE_PCI:
-#ifdef CONFIG_SSB_PCIHOST
- return pci_map_single(dev->bus->host_pci, p, size, dir);
-#endif
- break;
- case SSB_BUSTYPE_SSB:
- return dma_map_single(dev->dev, p, size, dir);
- default:
- break;
- }
- __ssb_dma_not_implemented(dev);
- return 0;
-}
-
-static inline void ssb_dma_unmap_single(struct ssb_device *dev, dma_addr_t dma_addr,
- size_t size, enum dma_data_direction dir)
-{
- switch (dev->bus->bustype) {
- case SSB_BUSTYPE_PCI:
-#ifdef CONFIG_SSB_PCIHOST
- pci_unmap_single(dev->bus->host_pci, dma_addr, size, dir);
- return;
-#endif
- break;
- case SSB_BUSTYPE_SSB:
- dma_unmap_single(dev->dev, dma_addr, size, dir);
- return;
- default:
- break;
- }
- __ssb_dma_not_implemented(dev);
-}
-
-static inline void ssb_dma_sync_single_for_cpu(struct ssb_device *dev,
- dma_addr_t dma_addr,
- size_t size,
- enum dma_data_direction dir)
-{
- switch (dev->bus->bustype) {
- case SSB_BUSTYPE_PCI:
-#ifdef CONFIG_SSB_PCIHOST
- pci_dma_sync_single_for_cpu(dev->bus->host_pci, dma_addr,
- size, dir);
- return;
-#endif
- break;
- case SSB_BUSTYPE_SSB:
- dma_sync_single_for_cpu(dev->dev, dma_addr, size, dir);
- return;
- default:
- break;
- }
- __ssb_dma_not_implemented(dev);
-}
-
-static inline void ssb_dma_sync_single_for_device(struct ssb_device *dev,
- dma_addr_t dma_addr,
- size_t size,
- enum dma_data_direction dir)
-{
- switch (dev->bus->bustype) {
- case SSB_BUSTYPE_PCI:
-#ifdef CONFIG_SSB_PCIHOST
- pci_dma_sync_single_for_device(dev->bus->host_pci, dma_addr,
- size, dir);
- return;
-#endif
- break;
- case SSB_BUSTYPE_SSB:
- dma_sync_single_for_device(dev->dev, dma_addr, size, dir);
- return;
- default:
- break;
- }
- __ssb_dma_not_implemented(dev);
-}
-
-static inline void ssb_dma_sync_single_range_for_cpu(struct ssb_device *dev,
- dma_addr_t dma_addr,
- unsigned long offset,
- size_t size,
- enum dma_data_direction dir)
-{
- switch (dev->bus->bustype) {
- case SSB_BUSTYPE_PCI:
-#ifdef CONFIG_SSB_PCIHOST
- /* Just sync everything. That's all the PCI API can do. */
- pci_dma_sync_single_for_cpu(dev->bus->host_pci, dma_addr,
- offset + size, dir);
- return;
-#endif
- break;
- case SSB_BUSTYPE_SSB:
- dma_sync_single_range_for_cpu(dev->dev, dma_addr, offset,
- size, dir);
- return;
- default:
- break;
- }
- __ssb_dma_not_implemented(dev);
-}
-
-static inline void ssb_dma_sync_single_range_for_device(struct ssb_device *dev,
- dma_addr_t dma_addr,
- unsigned long offset,
- size_t size,
- enum dma_data_direction dir)
-{
- switch (dev->bus->bustype) {
- case SSB_BUSTYPE_PCI:
-#ifdef CONFIG_SSB_PCIHOST
- /* Just sync everything. That's all the PCI API can do. */
- pci_dma_sync_single_for_device(dev->bus->host_pci, dma_addr,
- offset + size, dir);
- return;
-#endif
- break;
- case SSB_BUSTYPE_SSB:
- dma_sync_single_range_for_device(dev->dev, dma_addr, offset,
- size, dir);
- return;
- default:
- break;
- }
- __ssb_dma_not_implemented(dev);
-}
-
-
#ifdef CONFIG_SSB_PCIHOST
/* PCI-host wrapper driver */
extern int ssb_pcihost_register(struct pci_driver *driver);