powerpc: use dma_map_ops struct

This converts uses dma_map_ops struct (in include/linux/dma-mapping.h)
instead of POWERPC homegrown dma_mapping_ops.

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>

diff --git a/arch/powerpc/include/asm/device.h b/arch/powerpc/include/asm/device.h
index 0086f8d..67fcd7f 100644 (file)
--- a/arch/powerpc/include/asm/device.h
+++ b/arch/powerpc/include/asm/device.h
@@ -6,7 +6,7 @@
 #ifndef _ASM_POWERPC_DEVICE_H
 #define _ASM_POWERPC_DEVICE_H
 
-struct dma_mapping_ops;
+struct dma_map_ops;
 struct device_node;
 
 struct dev_archdata {
@@ -14,7 +14,7 @@ struct dev_archdata {
        struct device_node      *of_node;
 
        /* DMA operations on that device */
-       struct dma_mapping_ops  *dma_ops;
+       struct dma_map_ops      *dma_ops;
        void                    *dma_data;
 #ifdef CONFIG_SWIOTLB
        dma_addr_t              max_direct_dma_addr;

diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h
index 1765c37..8ca2b51 100644 (file)
--- a/arch/powerpc/include/asm/dma-mapping.h
+++ b/arch/powerpc/include/asm/dma-mapping.h
@@ -64,56 +64,14 @@ static inline unsigned long device_to_mask(struct device *dev)
 }
 
 /*
- * DMA operations are abstracted for G5 vs. i/pSeries, PCI vs. VIO
- */
-struct dma_mapping_ops {
-       void *          (*alloc_coherent)(struct device *dev, size_t size,
-                               dma_addr_t *dma_handle, gfp_t flag);
-       void            (*free_coherent)(struct device *dev, size_t size,
-                               void *vaddr, dma_addr_t dma_handle);
-       int             (*map_sg)(struct device *dev, struct scatterlist *sg,
-                               int nents, enum dma_data_direction direction,
-                               struct dma_attrs *attrs);
-       void            (*unmap_sg)(struct device *dev, struct scatterlist *sg,
-                               int nents, enum dma_data_direction direction,
-                               struct dma_attrs *attrs);
-       int             (*dma_supported)(struct device *dev, u64 mask);
-       int             (*set_dma_mask)(struct device *dev, u64 dma_mask);
-       dma_addr_t      (*map_page)(struct device *dev, struct page *page,
-                               unsigned long offset, size_t size,
-                               enum dma_data_direction direction,
-                               struct dma_attrs *attrs);
-       void            (*unmap_page)(struct device *dev,
-                               dma_addr_t dma_address, size_t size,
-                               enum dma_data_direction direction,
-                               struct dma_attrs *attrs);
-#ifdef CONFIG_PPC_NEED_DMA_SYNC_OPS
-       void            (*sync_single_range_for_cpu)(struct device *hwdev,
-                               dma_addr_t dma_handle, unsigned long offset,
-                               size_t size,
-                               enum dma_data_direction direction);
-       void            (*sync_single_range_for_device)(struct device *hwdev,
-                               dma_addr_t dma_handle, unsigned long offset,
-                               size_t size,
-                               enum dma_data_direction direction);
-       void            (*sync_sg_for_cpu)(struct device *hwdev,
-                               struct scatterlist *sg, int nelems,
-                               enum dma_data_direction direction);
-       void            (*sync_sg_for_device)(struct device *hwdev,
-                               struct scatterlist *sg, int nelems,
-                               enum dma_data_direction direction);
-#endif
-};
-
-/*
  * Available generic sets of operations
  */
 #ifdef CONFIG_PPC64
-extern struct dma_mapping_ops dma_iommu_ops;
+extern struct dma_map_ops dma_iommu_ops;
 #endif
-extern struct dma_mapping_ops dma_direct_ops;
+extern struct dma_map_ops dma_direct_ops;
 
-static inline struct dma_mapping_ops *get_dma_ops(struct device *dev)
+static inline struct dma_map_ops *get_dma_ops(struct device *dev)
 {
        /* We don't handle the NULL dev case for ISA for now. We could
         * do it via an out of line call but it is not needed for now. The
@@ -126,14 +84,14 @@ static inline struct dma_mapping_ops *get_dma_ops(struct device *dev)
        return dev->archdata.dma_ops;
 }
 
-static inline void set_dma_ops(struct device *dev, struct dma_mapping_ops *ops)
+static inline void set_dma_ops(struct device *dev, struct dma_map_ops *ops)
 {
        dev->archdata.dma_ops = ops;
 }
 
 static inline int dma_supported(struct device *dev, u64 mask)
 {
-       struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+       struct dma_map_ops *dma_ops = get_dma_ops(dev);
 
        if (unlikely(dma_ops == NULL))
                return 0;
@@ -147,7 +105,7 @@ static inline int dma_supported(struct device *dev, u64 mask)
 
 static inline int dma_set_mask(struct device *dev, u64 dma_mask)
 {
-       struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+       struct dma_map_ops *dma_ops = get_dma_ops(dev);
 
        if (unlikely(dma_ops == NULL))
                return -EIO;
@@ -161,7 +119,7 @@ static inline int dma_set_mask(struct device *dev, u64 dma_mask)
 
 /*
  * map_/unmap_single actually call through to map/unmap_page now that all the
- * dma_mapping_ops have been converted over. We just have to get the page and
+ * dma_map_ops have been converted over. We just have to get the page and
  * offset to pass through to map_page
  */
 static inline dma_addr_t dma_map_single_attrs(struct device *dev,
@@ -170,7 +128,7 @@ static inline dma_addr_t dma_map_single_attrs(struct device *dev,
                                              enum dma_data_direction direction,
                                              struct dma_attrs *attrs)
 {
-       struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+       struct dma_map_ops *dma_ops = get_dma_ops(dev);
 
        BUG_ON(!dma_ops);
 
@@ -185,7 +143,7 @@ static inline void dma_unmap_single_attrs(struct device *dev,
                                          enum dma_data_direction direction,
                                          struct dma_attrs *attrs)
 {
-       struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+       struct dma_map_ops *dma_ops = get_dma_ops(dev);
 
        BUG_ON(!dma_ops);
 
@@ -198,7 +156,7 @@ static inline dma_addr_t dma_map_page_attrs(struct device *dev,
                                            enum dma_data_direction direction,
                                            struct dma_attrs *attrs)
 {
-       struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+       struct dma_map_ops *dma_ops = get_dma_ops(dev);
 
        BUG_ON(!dma_ops);
 
@@ -211,7 +169,7 @@ static inline void dma_unmap_page_attrs(struct device *dev,
                                        enum dma_data_direction direction,
                                        struct dma_attrs *attrs)
 {
-       struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+       struct dma_map_ops *dma_ops = get_dma_ops(dev);
 
        BUG_ON(!dma_ops);
 
@@ -222,7 +180,7 @@ static inline int dma_map_sg_attrs(struct device *dev, struct scatterlist *sg,
                                   int nents, enum dma_data_direction direction,
                                   struct dma_attrs *attrs)
 {
-       struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+       struct dma_map_ops *dma_ops = get_dma_ops(dev);
 
        BUG_ON(!dma_ops);
        return dma_ops->map_sg(dev, sg, nents, direction, attrs);
@@ -234,7 +192,7 @@ static inline void dma_unmap_sg_attrs(struct device *dev,
                                      enum dma_data_direction direction,
                                      struct dma_attrs *attrs)
 {
-       struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+       struct dma_map_ops *dma_ops = get_dma_ops(dev);
 
        BUG_ON(!dma_ops);
        dma_ops->unmap_sg(dev, sg, nhwentries, direction, attrs);
@@ -243,7 +201,7 @@ static inline void dma_unmap_sg_attrs(struct device *dev,
 static inline void *dma_alloc_coherent(struct device *dev, size_t size,
                                       dma_addr_t *dma_handle, gfp_t flag)
 {
-       struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+       struct dma_map_ops *dma_ops = get_dma_ops(dev);
 
        BUG_ON(!dma_ops);
        return dma_ops->alloc_coherent(dev, size, dma_handle, flag);
@@ -252,7 +210,7 @@ static inline void *dma_alloc_coherent(struct device *dev, size_t size,
 static inline void dma_free_coherent(struct device *dev, size_t size,
                                     void *cpu_addr, dma_addr_t dma_handle)
 {
-       struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+       struct dma_map_ops *dma_ops = get_dma_ops(dev);
 
        BUG_ON(!dma_ops);
        dma_ops->free_coherent(dev, size, cpu_addr, dma_handle);
@@ -304,7 +262,7 @@ static inline void dma_sync_single_for_cpu(struct device *dev,
                dma_addr_t dma_handle, size_t size,
                enum dma_data_direction direction)
 {
-       struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+       struct dma_map_ops *dma_ops = get_dma_ops(dev);
 
        BUG_ON(!dma_ops);
 
@@ -317,7 +275,7 @@ static inline void dma_sync_single_for_device(struct device *dev,
                dma_addr_t dma_handle, size_t size,
                enum dma_data_direction direction)
 {
-       struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+       struct dma_map_ops *dma_ops = get_dma_ops(dev);
 
        BUG_ON(!dma_ops);
 
@@ -330,7 +288,7 @@ static inline void dma_sync_sg_for_cpu(struct device *dev,
                struct scatterlist *sgl, int nents,
                enum dma_data_direction direction)
 {
-       struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+       struct dma_map_ops *dma_ops = get_dma_ops(dev);
 
        BUG_ON(!dma_ops);
 
@@ -342,7 +300,7 @@ static inline void dma_sync_sg_for_device(struct device *dev,
                struct scatterlist *sgl, int nents,
                enum dma_data_direction direction)
 {
-       struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+       struct dma_map_ops *dma_ops = get_dma_ops(dev);
 
        BUG_ON(!dma_ops);
 
@@ -354,7 +312,7 @@ static inline void dma_sync_single_range_for_cpu(struct device *dev,
                dma_addr_t dma_handle, unsigned long offset, size_t size,
                enum dma_data_direction direction)
 {
-       struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+       struct dma_map_ops *dma_ops = get_dma_ops(dev);
 
        BUG_ON(!dma_ops);
 
@@ -367,7 +325,7 @@ static inline void dma_sync_single_range_for_device(struct device *dev,
                dma_addr_t dma_handle, unsigned long offset, size_t size,
                enum dma_data_direction direction)
 {
-       struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
+       struct dma_map_ops *dma_ops = get_dma_ops(dev);
 
        BUG_ON(!dma_ops);
 

diff --git a/arch/powerpc/include/asm/pci.h b/arch/powerpc/include/asm/pci.h
index d9483c5..7ae46d7 100644 (file)
--- a/arch/powerpc/include/asm/pci.h
+++ b/arch/powerpc/include/asm/pci.h
@@ -61,8 +61,8 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
 }
 
 #ifdef CONFIG_PCI
-extern void set_pci_dma_ops(struct dma_mapping_ops *dma_ops);
-extern struct dma_mapping_ops *get_pci_dma_ops(void);
+extern void set_pci_dma_ops(struct dma_map_ops *dma_ops);
+extern struct dma_map_ops *get_pci_dma_ops(void);
 #else  /* CONFIG_PCI */
 #define set_pci_dma_ops(d)
 #define get_pci_dma_ops()      NULL

diff --git a/arch/powerpc/include/asm/swiotlb.h b/arch/powerpc/include/asm/swiotlb.h
index 21ce0a3..8979d4c 100644 (file)
--- a/arch/powerpc/include/asm/swiotlb.h
+++ b/arch/powerpc/include/asm/swiotlb.h
@@ -13,7 +13,7 @@
 
 #include <linux/swiotlb.h>
 
-extern struct dma_mapping_ops swiotlb_dma_ops;
+extern struct dma_map_ops swiotlb_dma_ops;
 
 static inline void dma_mark_clean(void *addr, size_t size) {}
 

diff --git a/arch/powerpc/kernel/dma-iommu.c b/arch/powerpc/kernel/dma-iommu.c
index 2983ada..87ddb3f 100644 (file)
--- a/arch/powerpc/kernel/dma-iommu.c
+++ b/arch/powerpc/kernel/dma-iommu.c
@@ -89,7 +89,7 @@ static int dma_iommu_dma_supported(struct device *dev, u64 mask)
                return 1;
 }
 
-struct dma_mapping_ops dma_iommu_ops = {
+struct dma_map_ops dma_iommu_ops = {
        .alloc_coherent = dma_iommu_alloc_coherent,
        .free_coherent  = dma_iommu_free_coherent,
        .map_sg         = dma_iommu_map_sg,

diff --git a/arch/powerpc/kernel/dma-swiotlb.c b/arch/powerpc/kernel/dma-swiotlb.c
index ca141e1..d1143a6 100644 (file)
--- a/arch/powerpc/kernel/dma-swiotlb.c
+++ b/arch/powerpc/kernel/dma-swiotlb.c
@@ -31,7 +31,7 @@ unsigned int ppc_swiotlb_enable;
  * map_page, and unmap_page on highmem, use normal dma_ops
  * for everything else.
  */
-struct dma_mapping_ops swiotlb_dma_ops = {
+struct dma_map_ops swiotlb_dma_ops = {
        .alloc_coherent = dma_direct_alloc_coherent,
        .free_coherent = dma_direct_free_coherent,
        .map_sg = swiotlb_map_sg_attrs,

diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c
index ccf129d..c61f70e 100644 (file)
--- a/arch/powerpc/kernel/dma.c
+++ b/arch/powerpc/kernel/dma.c
@@ -140,7 +140,7 @@ static inline void dma_direct_sync_single_range(struct device *dev,
 }
 #endif
 
-struct dma_mapping_ops dma_direct_ops = {
+struct dma_map_ops dma_direct_ops = {
        .alloc_coherent = dma_direct_alloc_coherent,
        .free_coherent  = dma_direct_free_coherent,
        .map_sg         = dma_direct_map_sg,

diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c
index 6e3f624..a4c8b38 100644 (file)
--- a/arch/powerpc/kernel/ibmebus.c
+++ b/arch/powerpc/kernel/ibmebus.c
@@ -127,7 +127,7 @@ static int ibmebus_dma_supported(struct device *dev, u64 mask)
        return 1;
 }
 
-static struct dma_mapping_ops ibmebus_dma_ops = {
+static struct dma_map_ops ibmebus_dma_ops = {
        .alloc_coherent = ibmebus_alloc_coherent,
        .free_coherent  = ibmebus_free_coherent,
        .map_sg         = ibmebus_map_sg,

diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 5a56e97..7585f1f 100644 (file)
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -50,14 +50,14 @@ resource_size_t isa_mem_base;
 unsigned int ppc_pci_flags = 0;
 
 
-static struct dma_mapping_ops *pci_dma_ops = &dma_direct_ops;
+static struct dma_map_ops *pci_dma_ops = &dma_direct_ops;
 
-void set_pci_dma_ops(struct dma_mapping_ops *dma_ops)
+void set_pci_dma_ops(struct dma_map_ops *dma_ops)
 {
        pci_dma_ops = dma_ops;
 }
 
-struct dma_mapping_ops *get_pci_dma_ops(void)
+struct dma_map_ops *get_pci_dma_ops(void)
 {
        return pci_dma_ops;
 }

diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index 819e59f..bc7b41e 100644 (file)
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -601,7 +601,7 @@ static void vio_dma_iommu_unmap_sg(struct device *dev,
        vio_cmo_dealloc(viodev, alloc_size);
 }
 
-struct dma_mapping_ops vio_dma_mapping_ops = {
+struct dma_map_ops vio_dma_mapping_ops = {
        .alloc_coherent = vio_dma_iommu_alloc_coherent,
        .free_coherent  = vio_dma_iommu_free_coherent,
        .map_sg         = vio_dma_iommu_map_sg,

diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
index 5b34fc2..416db17 100644 (file)
--- a/arch/powerpc/platforms/cell/iommu.c
+++ b/arch/powerpc/platforms/cell/iommu.c
@@ -642,7 +642,7 @@ static int dma_fixed_dma_supported(struct device *dev, u64 mask)
 
 static int dma_set_mask_and_switch(struct device *dev, u64 dma_mask);
 
-struct dma_mapping_ops dma_iommu_fixed_ops = {
+struct dma_map_ops dma_iommu_fixed_ops = {
        .alloc_coherent = dma_fixed_alloc_coherent,
        .free_coherent  = dma_fixed_free_coherent,
        .map_sg         = dma_fixed_map_sg,

diff --git a/arch/powerpc/platforms/ps3/system-bus.c b/arch/powerpc/platforms/ps3/system-bus.c
index 676f989..e34b305 100644 (file)
--- a/arch/powerpc/platforms/ps3/system-bus.c
+++ b/arch/powerpc/platforms/ps3/system-bus.c
@@ -694,7 +694,7 @@ static int ps3_dma_supported(struct device *_dev, u64 mask)
        return mask >= DMA_BIT_MASK(32);
 }
 
-static struct dma_mapping_ops ps3_sb_dma_ops = {
+static struct dma_map_ops ps3_sb_dma_ops = {
        .alloc_coherent = ps3_alloc_coherent,
        .free_coherent = ps3_free_coherent,
        .map_sg = ps3_sb_map_sg,
@@ -704,7 +704,7 @@ static struct dma_mapping_ops ps3_sb_dma_ops = {
        .unmap_page = ps3_unmap_page,
 };
 
-static struct dma_mapping_ops ps3_ioc0_dma_ops = {
+static struct dma_map_ops ps3_ioc0_dma_ops = {
        .alloc_coherent = ps3_alloc_coherent,
        .free_coherent = ps3_free_coherent,
        .map_sg = ps3_ioc0_map_sg,