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>

1 files changed, 0 insertions, 74 deletions

diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c
index a732b396e602..7cee7f4eb60b 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;