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[Xen-devel] [RFC v3 28/45] ia64: dma-mapping: Use unsigned long for dma_attrs



Split out subsystem specific changes for easier reviews. This will be
squashed with main commit.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
---
 arch/ia64/hp/common/sba_iommu.c | 22 +++++++++++-----------
 arch/ia64/include/asm/machvec.h |  1 -
 arch/ia64/kernel/pci-swiotlb.c  |  4 ++--
 arch/ia64/sn/pci/pci_dma.c      | 12 ++++++------
 4 files changed, 19 insertions(+), 20 deletions(-)

diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c
index a6d6190c9d24..630ee8073899 100644
--- a/arch/ia64/hp/common/sba_iommu.c
+++ b/arch/ia64/hp/common/sba_iommu.c
@@ -919,7 +919,7 @@ sba_mark_invalid(struct ioc *ioc, dma_addr_t iova, size_t 
byte_cnt)
 static dma_addr_t sba_map_page(struct device *dev, struct page *page,
                               unsigned long poff, size_t size,
                               enum dma_data_direction dir,
-                              struct dma_attrs *attrs)
+                              unsigned long attrs)
 {
        struct ioc *ioc;
        void *addr = page_address(page) + poff;
@@ -1005,7 +1005,7 @@ static dma_addr_t sba_map_page(struct device *dev, struct 
page *page,
 
 static dma_addr_t sba_map_single_attrs(struct device *dev, void *addr,
                                       size_t size, enum dma_data_direction dir,
-                                      struct dma_attrs *attrs)
+                                      unsigned long attrs)
 {
        return sba_map_page(dev, virt_to_page(addr),
                            (unsigned long)addr & ~PAGE_MASK, size, dir, attrs);
@@ -1046,7 +1046,7 @@ sba_mark_clean(struct ioc *ioc, dma_addr_t iova, size_t 
size)
  * See Documentation/DMA-API-HOWTO.txt
  */
 static void sba_unmap_page(struct device *dev, dma_addr_t iova, size_t size,
-                          enum dma_data_direction dir, struct dma_attrs *attrs)
+                          enum dma_data_direction dir, unsigned long attrs)
 {
        struct ioc *ioc;
 #if DELAYED_RESOURCE_CNT > 0
@@ -1115,7 +1115,7 @@ static void sba_unmap_page(struct device *dev, dma_addr_t 
iova, size_t size,
 }
 
 void sba_unmap_single_attrs(struct device *dev, dma_addr_t iova, size_t size,
-                           enum dma_data_direction dir, struct dma_attrs 
*attrs)
+                           enum dma_data_direction dir, unsigned long attrs)
 {
        sba_unmap_page(dev, iova, size, dir, attrs);
 }
@@ -1130,7 +1130,7 @@ void sba_unmap_single_attrs(struct device *dev, 
dma_addr_t iova, size_t size,
  */
 static void *
 sba_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
-                  gfp_t flags, struct dma_attrs *attrs)
+                  gfp_t flags, unsigned long attrs)
 {
        struct ioc *ioc;
        void *addr;
@@ -1175,7 +1175,7 @@ sba_alloc_coherent(struct device *dev, size_t size, 
dma_addr_t *dma_handle,
         * device to map single to get an iova mapping.
         */
        *dma_handle = sba_map_single_attrs(&ioc->sac_only_dev->dev, addr,
-                                          size, 0, NULL);
+                                          size, 0, 0);
 
        return addr;
 }
@@ -1191,9 +1191,9 @@ sba_alloc_coherent(struct device *dev, size_t size, 
dma_addr_t *dma_handle,
  * See Documentation/DMA-API-HOWTO.txt
  */
 static void sba_free_coherent(struct device *dev, size_t size, void *vaddr,
-                             dma_addr_t dma_handle, struct dma_attrs *attrs)
+                             dma_addr_t dma_handle, unsigned long attrs)
 {
-       sba_unmap_single_attrs(dev, dma_handle, size, 0, NULL);
+       sba_unmap_single_attrs(dev, dma_handle, size, 0, 0);
        free_pages((unsigned long) vaddr, get_order(size));
 }
 
@@ -1442,7 +1442,7 @@ sba_coalesce_chunks(struct ioc *ioc, struct device *dev,
 
 static void sba_unmap_sg_attrs(struct device *dev, struct scatterlist *sglist,
                               int nents, enum dma_data_direction dir,
-                              struct dma_attrs *attrs);
+                              unsigned long attrs);
 /**
  * sba_map_sg - map Scatter/Gather list
  * @dev: instance of PCI owned by the driver that's asking.
@@ -1455,7 +1455,7 @@ static void sba_unmap_sg_attrs(struct device *dev, struct 
scatterlist *sglist,
  */
 static int sba_map_sg_attrs(struct device *dev, struct scatterlist *sglist,
                            int nents, enum dma_data_direction dir,
-                           struct dma_attrs *attrs)
+                           unsigned long attrs)
 {
        struct ioc *ioc;
        int coalesced, filled = 0;
@@ -1551,7 +1551,7 @@ static int sba_map_sg_attrs(struct device *dev, struct 
scatterlist *sglist,
  */
 static void sba_unmap_sg_attrs(struct device *dev, struct scatterlist *sglist,
                               int nents, enum dma_data_direction dir,
-                              struct dma_attrs *attrs)
+                              unsigned long attrs)
 {
 #ifdef ASSERT_PDIR_SANITY
        struct ioc *ioc;
diff --git a/arch/ia64/include/asm/machvec.h b/arch/ia64/include/asm/machvec.h
index 9c39bdfc2da8..ed7f09089f12 100644
--- a/arch/ia64/include/asm/machvec.h
+++ b/arch/ia64/include/asm/machvec.h
@@ -22,7 +22,6 @@ struct pci_bus;
 struct task_struct;
 struct pci_dev;
 struct msi_desc;
-struct dma_attrs;
 
 typedef void ia64_mv_setup_t (char **);
 typedef void ia64_mv_cpu_init_t (void);
diff --git a/arch/ia64/kernel/pci-swiotlb.c b/arch/ia64/kernel/pci-swiotlb.c
index 939260aeac98..2933208c0285 100644
--- a/arch/ia64/kernel/pci-swiotlb.c
+++ b/arch/ia64/kernel/pci-swiotlb.c
@@ -16,7 +16,7 @@ EXPORT_SYMBOL(swiotlb);
 
 static void *ia64_swiotlb_alloc_coherent(struct device *dev, size_t size,
                                         dma_addr_t *dma_handle, gfp_t gfp,
-                                        struct dma_attrs *attrs)
+                                        unsigned long attrs)
 {
        if (dev->coherent_dma_mask != DMA_BIT_MASK(64))
                gfp |= GFP_DMA;
@@ -25,7 +25,7 @@ static void *ia64_swiotlb_alloc_coherent(struct device *dev, 
size_t size,
 
 static void ia64_swiotlb_free_coherent(struct device *dev, size_t size,
                                       void *vaddr, dma_addr_t dma_addr,
-                                      struct dma_attrs *attrs)
+                                      unsigned long attrs)
 {
        swiotlb_free_coherent(dev, size, vaddr, dma_addr);
 }
diff --git a/arch/ia64/sn/pci/pci_dma.c b/arch/ia64/sn/pci/pci_dma.c
index 8f59907007cb..6b78fc953c4b 100644
--- a/arch/ia64/sn/pci/pci_dma.c
+++ b/arch/ia64/sn/pci/pci_dma.c
@@ -77,7 +77,7 @@ EXPORT_SYMBOL(sn_dma_set_mask);
  */
 static void *sn_dma_alloc_coherent(struct device *dev, size_t size,
                                   dma_addr_t * dma_handle, gfp_t flags,
-                                  struct dma_attrs *attrs)
+                                  unsigned long attrs)
 {
        void *cpuaddr;
        unsigned long phys_addr;
@@ -138,7 +138,7 @@ static void *sn_dma_alloc_coherent(struct device *dev, 
size_t size,
  * any associated IOMMU mappings.
  */
 static void sn_dma_free_coherent(struct device *dev, size_t size, void 
*cpu_addr,
-                                dma_addr_t dma_handle, struct dma_attrs *attrs)
+                                dma_addr_t dma_handle, unsigned long attrs)
 {
        struct pci_dev *pdev = to_pci_dev(dev);
        struct sn_pcibus_provider *provider = SN_PCIDEV_BUSPROVIDER(pdev);
@@ -176,7 +176,7 @@ static void sn_dma_free_coherent(struct device *dev, size_t 
size, void *cpu_addr
 static dma_addr_t sn_dma_map_page(struct device *dev, struct page *page,
                                  unsigned long offset, size_t size,
                                  enum dma_data_direction dir,
-                                 struct dma_attrs *attrs)
+                                 unsigned long attrs)
 {
        void *cpu_addr = page_address(page) + offset;
        dma_addr_t dma_addr;
@@ -218,7 +218,7 @@ static dma_addr_t sn_dma_map_page(struct device *dev, 
struct page *page,
  */
 static void sn_dma_unmap_page(struct device *dev, dma_addr_t dma_addr,
                              size_t size, enum dma_data_direction dir,
-                             struct dma_attrs *attrs)
+                             unsigned long attrs)
 {
        struct pci_dev *pdev = to_pci_dev(dev);
        struct sn_pcibus_provider *provider = SN_PCIDEV_BUSPROVIDER(pdev);
@@ -240,7 +240,7 @@ static void sn_dma_unmap_page(struct device *dev, 
dma_addr_t dma_addr,
  */
 static void sn_dma_unmap_sg(struct device *dev, struct scatterlist *sgl,
                            int nhwentries, enum dma_data_direction dir,
-                           struct dma_attrs *attrs)
+                           unsigned long attrs)
 {
        int i;
        struct pci_dev *pdev = to_pci_dev(dev);
@@ -273,7 +273,7 @@ static void sn_dma_unmap_sg(struct device *dev, struct 
scatterlist *sgl,
  */
 static int sn_dma_map_sg(struct device *dev, struct scatterlist *sgl,
                         int nhwentries, enum dma_data_direction dir,
-                        struct dma_attrs *attrs)
+                        unsigned long attrs)
 {
        unsigned long phys_addr;
        struct scatterlist *saved_sg = sgl, *sg;
-- 
1.9.1


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