[SPARC64]: Accept ebus_bus_type for generic DMA ops.

Based upon a bug report by Meelis Roos.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/asm-sparc64/dma-mapping.h b/include/asm-sparc64/dma-mapping.h
index 2f858a2..9329429 100644 (file)
--- a/include/asm-sparc64/dma-mapping.h
+++ b/include/asm-sparc64/dma-mapping.h
@@ -10,10 +10,13 @@
 /* need struct page definitions */
 #include <linux/mm.h>
 
+#include <asm/of_device.h>
+
 static inline int
 dma_supported(struct device *dev, u64 mask)
 {
-       BUG_ON(dev->bus != &pci_bus_type);
+       BUG_ON(dev->bus != &pci_bus_type &&
+              dev->bus != &ebus_bus_type);
 
        return pci_dma_supported(to_pci_dev(dev), mask);
 }
@@ -21,7 +24,8 @@ dma_supported(struct device *dev, u64 mask)
 static inline int
 dma_set_mask(struct device *dev, u64 dma_mask)
 {
-       BUG_ON(dev->bus != &pci_bus_type);
+       BUG_ON(dev->bus != &pci_bus_type &&
+              dev->bus != &ebus_bus_type);
 
        return pci_set_dma_mask(to_pci_dev(dev), dma_mask);
 }
@@ -30,7 +34,8 @@ static inline void *
 dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
                   gfp_t flag)
 {
-       BUG_ON(dev->bus != &pci_bus_type);
+       BUG_ON(dev->bus != &pci_bus_type &&
+              dev->bus != &ebus_bus_type);
 
        return pci_iommu_ops->alloc_consistent(to_pci_dev(dev), size, dma_handle, flag);
 }
@@ -39,7 +44,8 @@ static inline void
 dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
                    dma_addr_t dma_handle)
 {
-       BUG_ON(dev->bus != &pci_bus_type);
+       BUG_ON(dev->bus != &pci_bus_type &&
+              dev->bus != &ebus_bus_type);
 
        pci_free_consistent(to_pci_dev(dev), size, cpu_addr, dma_handle);
 }
@@ -48,7 +54,8 @@ static inline dma_addr_t
 dma_map_single(struct device *dev, void *cpu_addr, size_t size,
               enum dma_data_direction direction)
 {
-       BUG_ON(dev->bus != &pci_bus_type);
+       BUG_ON(dev->bus != &pci_bus_type &&
+              dev->bus != &ebus_bus_type);
 
        return pci_map_single(to_pci_dev(dev), cpu_addr, size, (int)direction);
 }
@@ -57,7 +64,8 @@ static inline void
 dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
                 enum dma_data_direction direction)
 {
-       BUG_ON(dev->bus != &pci_bus_type);
+       BUG_ON(dev->bus != &pci_bus_type &&
+              dev->bus != &ebus_bus_type);
 
        pci_unmap_single(to_pci_dev(dev), dma_addr, size, (int)direction);
 }
@@ -67,7 +75,8 @@ dma_map_page(struct device *dev, struct page *page,
             unsigned long offset, size_t size,
             enum dma_data_direction direction)
 {
-       BUG_ON(dev->bus != &pci_bus_type);
+       BUG_ON(dev->bus != &pci_bus_type &&
+              dev->bus != &ebus_bus_type);
 
        return pci_map_page(to_pci_dev(dev), page, offset, size, (int)direction);
 }
@@ -76,7 +85,8 @@ static inline void
 dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
               enum dma_data_direction direction)
 {
-       BUG_ON(dev->bus != &pci_bus_type);
+       BUG_ON(dev->bus != &pci_bus_type &&
+              dev->bus != &ebus_bus_type);
 
        pci_unmap_page(to_pci_dev(dev), dma_address, size, (int)direction);
 }
@@ -85,7 +95,8 @@ static inline int
 dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
           enum dma_data_direction direction)
 {
-       BUG_ON(dev->bus != &pci_bus_type);
+       BUG_ON(dev->bus != &pci_bus_type &&
+              dev->bus != &ebus_bus_type);
 
        return pci_map_sg(to_pci_dev(dev), sg, nents, (int)direction);
 }
@@ -94,7 +105,8 @@ static inline void
 dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
             enum dma_data_direction direction)
 {
-       BUG_ON(dev->bus != &pci_bus_type);
+       BUG_ON(dev->bus != &pci_bus_type &&
+              dev->bus != &ebus_bus_type);
 
        pci_unmap_sg(to_pci_dev(dev), sg, nhwentries, (int)direction);
 }
@@ -103,7 +115,8 @@ static inline void
 dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size,
                        enum dma_data_direction direction)
 {
-       BUG_ON(dev->bus != &pci_bus_type);
+       BUG_ON(dev->bus != &pci_bus_type &&
+              dev->bus != &ebus_bus_type);
 
        pci_dma_sync_single_for_cpu(to_pci_dev(dev), dma_handle,
                                    size, (int)direction);
@@ -113,7 +126,8 @@ static inline void
 dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size,
                           enum dma_data_direction direction)
 {
-       BUG_ON(dev->bus != &pci_bus_type);
+       BUG_ON(dev->bus != &pci_bus_type &&
+              dev->bus != &ebus_bus_type);
 
        pci_dma_sync_single_for_device(to_pci_dev(dev), dma_handle,
                                       size, (int)direction);
@@ -123,7 +137,8 @@ static inline void
 dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
                    enum dma_data_direction direction)
 {
-       BUG_ON(dev->bus != &pci_bus_type);
+       BUG_ON(dev->bus != &pci_bus_type &&
+              dev->bus != &ebus_bus_type);
 
        pci_dma_sync_sg_for_cpu(to_pci_dev(dev), sg, nelems, (int)direction);
 }
@@ -132,7 +147,8 @@ static inline void
 dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems,
                       enum dma_data_direction direction)
 {
-       BUG_ON(dev->bus != &pci_bus_type);
+       BUG_ON(dev->bus != &pci_bus_type &&
+              dev->bus != &ebus_bus_type);
 
        pci_dma_sync_sg_for_device(to_pci_dev(dev), sg, nelems, (int)direction);
 }