powerpc: rename dma_direct_ to dma_nommu_
authorChristoph Hellwig <hch@lst.de>
Fri, 22 Dec 2017 09:58:24 +0000 (10:58 +0100)
committerChristoph Hellwig <hch@lst.de>
Wed, 10 Jan 2018 15:41:14 +0000 (16:41 +0100)
We want to use the dma_direct_ namespace for a generic implementation,
so rename powerpc to the second best choice: dma_nommu_.

Signed-off-by: Christoph Hellwig <hch@lst.de>
15 files changed:
arch/powerpc/include/asm/dma-mapping.h
arch/powerpc/kernel/dma-iommu.c
arch/powerpc/kernel/dma-swiotlb.c
arch/powerpc/kernel/dma.c
arch/powerpc/kernel/pci-common.c
arch/powerpc/kernel/setup-common.c
arch/powerpc/platforms/cell/iommu.c
arch/powerpc/platforms/pasemi/iommu.c
arch/powerpc/platforms/pasemi/setup.c
arch/powerpc/platforms/powernv/pci-ioda.c
arch/powerpc/platforms/pseries/iommu.c
arch/powerpc/platforms/pseries/vio.c
arch/powerpc/sysdev/dart_iommu.c
arch/powerpc/sysdev/fsl_pci.c
drivers/misc/cxl/vphb.c

index f6ab51205a85bc06a5306c9d4a009eeaed6ec700..8fa394520af6d3667b8de73da590346744150c1b 100644 (file)
 #include <asm/swiotlb.h>
 
 /* Some dma direct funcs must be visible for use in other dma_ops */
-extern void *__dma_direct_alloc_coherent(struct device *dev, size_t size,
+extern void *__dma_nommu_alloc_coherent(struct device *dev, size_t size,
                                         dma_addr_t *dma_handle, gfp_t flag,
                                         unsigned long attrs);
-extern void __dma_direct_free_coherent(struct device *dev, size_t size,
+extern void __dma_nommu_free_coherent(struct device *dev, size_t size,
                                       void *vaddr, dma_addr_t dma_handle,
                                       unsigned long attrs);
-extern int dma_direct_mmap_coherent(struct device *dev,
+extern int dma_nommu_mmap_coherent(struct device *dev,
                                    struct vm_area_struct *vma,
                                    void *cpu_addr, dma_addr_t handle,
                                    size_t size, unsigned long attrs);
@@ -73,7 +73,7 @@ static inline unsigned long device_to_mask(struct device *dev)
 #ifdef CONFIG_PPC64
 extern struct dma_map_ops dma_iommu_ops;
 #endif
-extern const struct dma_map_ops dma_direct_ops;
+extern const struct dma_map_ops dma_nommu_ops;
 
 static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
 {
index 66f33e7f8d4048cf07e41371b0fdf237f9fe5ba5..f9fe2080ceb90bac3dfed1ed583a6edc8875cca7 100644 (file)
@@ -114,7 +114,7 @@ int dma_iommu_mapping_error(struct device *dev, dma_addr_t dma_addr)
 struct dma_map_ops dma_iommu_ops = {
        .alloc                  = dma_iommu_alloc_coherent,
        .free                   = dma_iommu_free_coherent,
-       .mmap                   = dma_direct_mmap_coherent,
+       .mmap                   = dma_nommu_mmap_coherent,
        .map_sg                 = dma_iommu_map_sg,
        .unmap_sg               = dma_iommu_unmap_sg,
        .dma_supported          = dma_iommu_dma_supported,
index d0ea7860e02bb973ffa37d26e91a0254ba6fc3bd..f1e99b9cee979a003823d2acafe79c56ec0ca0a0 100644 (file)
@@ -47,9 +47,9 @@ static u64 swiotlb_powerpc_get_required(struct device *dev)
  * for everything else.
  */
 const struct dma_map_ops swiotlb_dma_ops = {
-       .alloc = __dma_direct_alloc_coherent,
-       .free = __dma_direct_free_coherent,
-       .mmap = dma_direct_mmap_coherent,
+       .alloc = __dma_nommu_alloc_coherent,
+       .free = __dma_nommu_free_coherent,
+       .mmap = dma_nommu_mmap_coherent,
        .map_sg = swiotlb_map_sg_attrs,
        .unmap_sg = swiotlb_unmap_sg_attrs,
        .dma_supported = swiotlb_dma_supported,
index 4194bbbbdb1053b6aa5e41f7d6fff1ac3d4cba8e..6d5d04ccf3b4dd9a4995313e4a684ecaca9a1cac 100644 (file)
@@ -40,7 +40,7 @@ static u64 __maybe_unused get_pfn_limit(struct device *dev)
        return pfn;
 }
 
-static int dma_direct_dma_supported(struct device *dev, u64 mask)
+static int dma_nommu_dma_supported(struct device *dev, u64 mask)
 {
 #ifdef CONFIG_PPC64
        u64 limit = get_dma_offset(dev) + (memblock_end_of_DRAM() - 1);
@@ -62,7 +62,7 @@ static int dma_direct_dma_supported(struct device *dev, u64 mask)
 #endif
 }
 
-void *__dma_direct_alloc_coherent(struct device *dev, size_t size,
+void *__dma_nommu_alloc_coherent(struct device *dev, size_t size,
                                  dma_addr_t *dma_handle, gfp_t flag,
                                  unsigned long attrs)
 {
@@ -119,7 +119,7 @@ void *__dma_direct_alloc_coherent(struct device *dev, size_t size,
 #endif
 }
 
-void __dma_direct_free_coherent(struct device *dev, size_t size,
+void __dma_nommu_free_coherent(struct device *dev, size_t size,
                                void *vaddr, dma_addr_t dma_handle,
                                unsigned long attrs)
 {
@@ -130,7 +130,7 @@ void __dma_direct_free_coherent(struct device *dev, size_t size,
 #endif
 }
 
-static void *dma_direct_alloc_coherent(struct device *dev, size_t size,
+static void *dma_nommu_alloc_coherent(struct device *dev, size_t size,
                                       dma_addr_t *dma_handle, gfp_t flag,
                                       unsigned long attrs)
 {
@@ -139,8 +139,8 @@ static void *dma_direct_alloc_coherent(struct device *dev, size_t size,
        /* The coherent mask may be smaller than the real mask, check if
         * we can really use the direct ops
         */
-       if (dma_direct_dma_supported(dev, dev->coherent_dma_mask))
-               return __dma_direct_alloc_coherent(dev, size, dma_handle,
+       if (dma_nommu_dma_supported(dev, dev->coherent_dma_mask))
+               return __dma_nommu_alloc_coherent(dev, size, dma_handle,
                                                   flag, attrs);
 
        /* Ok we can't ... do we have an iommu ? If not, fail */
@@ -154,15 +154,15 @@ static void *dma_direct_alloc_coherent(struct device *dev, size_t size,
                                    dev_to_node(dev));
 }
 
-static void dma_direct_free_coherent(struct device *dev, size_t size,
+static void dma_nommu_free_coherent(struct device *dev, size_t size,
                                     void *vaddr, dma_addr_t dma_handle,
                                     unsigned long attrs)
 {
        struct iommu_table *iommu;
 
-       /* See comments in dma_direct_alloc_coherent() */
-       if (dma_direct_dma_supported(dev, dev->coherent_dma_mask))
-               return __dma_direct_free_coherent(dev, size, vaddr, dma_handle,
+       /* See comments in dma_nommu_alloc_coherent() */
+       if (dma_nommu_dma_supported(dev, dev->coherent_dma_mask))
+               return __dma_nommu_free_coherent(dev, size, vaddr, dma_handle,
                                                  attrs);
        /* Maybe we used an iommu ... */
        iommu = get_iommu_table_base(dev);
@@ -175,7 +175,7 @@ static void dma_direct_free_coherent(struct device *dev, size_t size,
        iommu_free_coherent(iommu, size, vaddr, dma_handle);
 }
 
-int dma_direct_mmap_coherent(struct device *dev, struct vm_area_struct *vma,
+int dma_nommu_mmap_coherent(struct device *dev, struct vm_area_struct *vma,
                             void *cpu_addr, dma_addr_t handle, size_t size,
                             unsigned long attrs)
 {
@@ -193,7 +193,7 @@ int dma_direct_mmap_coherent(struct device *dev, struct vm_area_struct *vma,
                               vma->vm_page_prot);
 }
 
-static int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl,
+static int dma_nommu_map_sg(struct device *dev, struct scatterlist *sgl,
                             int nents, enum dma_data_direction direction,
                             unsigned long attrs)
 {
@@ -213,13 +213,13 @@ static int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl,
        return nents;
 }
 
-static void dma_direct_unmap_sg(struct device *dev, struct scatterlist *sg,
+static void dma_nommu_unmap_sg(struct device *dev, struct scatterlist *sg,
                                int nents, enum dma_data_direction direction,
                                unsigned long attrs)
 {
 }
 
-static u64 dma_direct_get_required_mask(struct device *dev)
+static u64 dma_nommu_get_required_mask(struct device *dev)
 {
        u64 end, mask;
 
@@ -231,7 +231,7 @@ static u64 dma_direct_get_required_mask(struct device *dev)
        return mask;
 }
 
-static inline dma_addr_t dma_direct_map_page(struct device *dev,
+static inline dma_addr_t dma_nommu_map_page(struct device *dev,
                                             struct page *page,
                                             unsigned long offset,
                                             size_t size,
@@ -246,7 +246,7 @@ static inline dma_addr_t dma_direct_map_page(struct device *dev,
        return page_to_phys(page) + offset + get_dma_offset(dev);
 }
 
-static inline void dma_direct_unmap_page(struct device *dev,
+static inline void dma_nommu_unmap_page(struct device *dev,
                                         dma_addr_t dma_address,
                                         size_t size,
                                         enum dma_data_direction direction,
@@ -255,7 +255,7 @@ static inline void dma_direct_unmap_page(struct device *dev,
 }
 
 #ifdef CONFIG_NOT_COHERENT_CACHE
-static inline void dma_direct_sync_sg(struct device *dev,
+static inline void dma_nommu_sync_sg(struct device *dev,
                struct scatterlist *sgl, int nents,
                enum dma_data_direction direction)
 {
@@ -266,7 +266,7 @@ static inline void dma_direct_sync_sg(struct device *dev,
                __dma_sync_page(sg_page(sg), sg->offset, sg->length, direction);
 }
 
-static inline void dma_direct_sync_single(struct device *dev,
+static inline void dma_nommu_sync_single(struct device *dev,
                                          dma_addr_t dma_handle, size_t size,
                                          enum dma_data_direction direction)
 {
@@ -274,24 +274,24 @@ static inline void dma_direct_sync_single(struct device *dev,
 }
 #endif
 
-const struct dma_map_ops dma_direct_ops = {
-       .alloc                          = dma_direct_alloc_coherent,
-       .free                           = dma_direct_free_coherent,
-       .mmap                           = dma_direct_mmap_coherent,
-       .map_sg                         = dma_direct_map_sg,
-       .unmap_sg                       = dma_direct_unmap_sg,
-       .dma_supported                  = dma_direct_dma_supported,
-       .map_page                       = dma_direct_map_page,
-       .unmap_page                     = dma_direct_unmap_page,
-       .get_required_mask              = dma_direct_get_required_mask,
+const struct dma_map_ops dma_nommu_ops = {
+       .alloc                          = dma_nommu_alloc_coherent,
+       .free                           = dma_nommu_free_coherent,
+       .mmap                           = dma_nommu_mmap_coherent,
+       .map_sg                         = dma_nommu_map_sg,
+       .unmap_sg                       = dma_nommu_unmap_sg,
+       .dma_supported                  = dma_nommu_dma_supported,
+       .map_page                       = dma_nommu_map_page,
+       .unmap_page                     = dma_nommu_unmap_page,
+       .get_required_mask              = dma_nommu_get_required_mask,
 #ifdef CONFIG_NOT_COHERENT_CACHE
-       .sync_single_for_cpu            = dma_direct_sync_single,
-       .sync_single_for_device         = dma_direct_sync_single,
-       .sync_sg_for_cpu                = dma_direct_sync_sg,
-       .sync_sg_for_device             = dma_direct_sync_sg,
+       .sync_single_for_cpu            = dma_nommu_sync_single,
+       .sync_single_for_device         = dma_nommu_sync_single,
+       .sync_sg_for_cpu                = dma_nommu_sync_sg,
+       .sync_sg_for_device             = dma_nommu_sync_sg,
 #endif
 };
-EXPORT_SYMBOL(dma_direct_ops);
+EXPORT_SYMBOL(dma_nommu_ops);
 
 int dma_set_coherent_mask(struct device *dev, u64 mask)
 {
@@ -302,7 +302,7 @@ int dma_set_coherent_mask(struct device *dev, u64 mask)
                 * is no dma_op->set_coherent_mask() so we have to do
                 * things the hard way:
                 */
-               if (get_dma_ops(dev) != &dma_direct_ops ||
+               if (get_dma_ops(dev) != &dma_nommu_ops ||
                    get_iommu_table_base(dev) == NULL ||
                    !dma_iommu_dma_supported(dev, mask))
                        return -EIO;
index 0ac7aa346c693a6be93adf68b255ecaae2ac075e..590f4d0a6cb168945c4b1da53e507283ef82afdf 100644 (file)
@@ -60,7 +60,7 @@ resource_size_t isa_mem_base;
 EXPORT_SYMBOL(isa_mem_base);
 
 
-static const struct dma_map_ops *pci_dma_ops = &dma_direct_ops;
+static const struct dma_map_ops *pci_dma_ops = &dma_nommu_ops;
 
 void set_pci_dma_ops(const struct dma_map_ops *dma_ops)
 {
index 9d213542a48bb91360b7b540ef429473494ebe98..9b89df1e71abc500489d5e3527d08c51474f8b28 100644 (file)
@@ -791,7 +791,7 @@ void arch_setup_pdev_archdata(struct platform_device *pdev)
 {
        pdev->archdata.dma_mask = DMA_BIT_MASK(32);
        pdev->dev.dma_mask = &pdev->archdata.dma_mask;
-       set_dma_ops(&pdev->dev, &dma_direct_ops);
+       set_dma_ops(&pdev->dev, &dma_nommu_ops);
 }
 
 static __init void print_system_info(void)
index 4b91ad08eefd93767c5d40d445ae082fd42cf084..12352a58072ab68d676e1ef6f3ee200500f44609 100644 (file)
@@ -541,7 +541,7 @@ static struct cbe_iommu *cell_iommu_for_node(int nid)
        return NULL;
 }
 
-static unsigned long cell_dma_direct_offset;
+static unsigned long cell_dma_nommu_offset;
 
 static unsigned long dma_iommu_fixed_base;
 
@@ -580,7 +580,7 @@ static void *dma_fixed_alloc_coherent(struct device *dev, size_t size,
                                            device_to_mask(dev), flag,
                                            dev_to_node(dev));
        else
-               return dma_direct_ops.alloc(dev, size, dma_handle, flag,
+               return dma_nommu_ops.alloc(dev, size, dma_handle, flag,
                                            attrs);
 }
 
@@ -592,7 +592,7 @@ static void dma_fixed_free_coherent(struct device *dev, size_t size,
                iommu_free_coherent(cell_get_iommu_table(dev), size, vaddr,
                                    dma_handle);
        else
-               dma_direct_ops.free(dev, size, vaddr, dma_handle, attrs);
+               dma_nommu_ops.free(dev, size, vaddr, dma_handle, attrs);
 }
 
 static dma_addr_t dma_fixed_map_page(struct device *dev, struct page *page,
@@ -601,7 +601,7 @@ static dma_addr_t dma_fixed_map_page(struct device *dev, struct page *page,
                                     unsigned long attrs)
 {
        if (iommu_fixed_is_weak == (attrs & DMA_ATTR_WEAK_ORDERING))
-               return dma_direct_ops.map_page(dev, page, offset, size,
+               return dma_nommu_ops.map_page(dev, page, offset, size,
                                               direction, attrs);
        else
                return iommu_map_page(dev, cell_get_iommu_table(dev), page,
@@ -614,7 +614,7 @@ static void dma_fixed_unmap_page(struct device *dev, dma_addr_t dma_addr,
                                 unsigned long attrs)
 {
        if (iommu_fixed_is_weak == (attrs & DMA_ATTR_WEAK_ORDERING))
-               dma_direct_ops.unmap_page(dev, dma_addr, size, direction,
+               dma_nommu_ops.unmap_page(dev, dma_addr, size, direction,
                                          attrs);
        else
                iommu_unmap_page(cell_get_iommu_table(dev), dma_addr, size,
@@ -626,7 +626,7 @@ static int dma_fixed_map_sg(struct device *dev, struct scatterlist *sg,
                           unsigned long attrs)
 {
        if (iommu_fixed_is_weak == (attrs & DMA_ATTR_WEAK_ORDERING))
-               return dma_direct_ops.map_sg(dev, sg, nents, direction, attrs);
+               return dma_nommu_ops.map_sg(dev, sg, nents, direction, attrs);
        else
                return ppc_iommu_map_sg(dev, cell_get_iommu_table(dev), sg,
                                        nents, device_to_mask(dev),
@@ -638,7 +638,7 @@ static void dma_fixed_unmap_sg(struct device *dev, struct scatterlist *sg,
                               unsigned long attrs)
 {
        if (iommu_fixed_is_weak == (attrs & DMA_ATTR_WEAK_ORDERING))
-               dma_direct_ops.unmap_sg(dev, sg, nents, direction, attrs);
+               dma_nommu_ops.unmap_sg(dev, sg, nents, direction, attrs);
        else
                ppc_iommu_unmap_sg(cell_get_iommu_table(dev), sg, nents,
                                   direction, attrs);
@@ -661,8 +661,8 @@ static void cell_dma_dev_setup(struct device *dev)
 {
        if (get_pci_dma_ops() == &dma_iommu_ops)
                set_iommu_table_base(dev, cell_get_iommu_table(dev));
-       else if (get_pci_dma_ops() == &dma_direct_ops)
-               set_dma_offset(dev, cell_dma_direct_offset);
+       else if (get_pci_dma_ops() == &dma_nommu_ops)
+               set_dma_offset(dev, cell_dma_nommu_offset);
        else
                BUG();
 }
@@ -810,14 +810,14 @@ static int __init cell_iommu_init_disabled(void)
        unsigned long base = 0, size;
 
        /* When no iommu is present, we use direct DMA ops */
-       set_pci_dma_ops(&dma_direct_ops);
+       set_pci_dma_ops(&dma_nommu_ops);
 
        /* First make sure all IOC translation is turned off */
        cell_disable_iommus();
 
        /* If we have no Axon, we set up the spider DMA magic offset */
        if (of_find_node_by_name(NULL, "axon") == NULL)
-               cell_dma_direct_offset = SPIDER_DMA_OFFSET;
+               cell_dma_nommu_offset = SPIDER_DMA_OFFSET;
 
        /* Now we need to check to see where the memory is mapped
         * in PCI space. We assume that all busses use the same dma
@@ -851,13 +851,13 @@ static int __init cell_iommu_init_disabled(void)
                return -ENODEV;
        }
 
-       cell_dma_direct_offset += base;
+       cell_dma_nommu_offset += base;
 
-       if (cell_dma_direct_offset != 0)
+       if (cell_dma_nommu_offset != 0)
                cell_pci_controller_ops.dma_dev_setup = cell_pci_dma_dev_setup;
 
        printk("iommu: disabled, direct DMA offset is 0x%lx\n",
-              cell_dma_direct_offset);
+              cell_dma_nommu_offset);
 
        return 0;
 }
index 7fec04de27fc0f15991690d05d0a72fccf61f385..78b80cbd9768fea3e6bf4932828ed0ea8c03e9a0 100644 (file)
@@ -186,7 +186,7 @@ static void pci_dma_dev_setup_pasemi(struct pci_dev *dev)
         */
        if (dev->vendor == 0x1959 && dev->device == 0xa007 &&
            !firmware_has_feature(FW_FEATURE_LPAR)) {
-               dev->dev.dma_ops = &dma_direct_ops;
+               dev->dev.dma_ops = &dma_nommu_ops;
                /*
                 * Set the coherent DMA mask to prevent the iommu
                 * being used unnecessarily
index c4a3e93dc324a252ffbf1e20044fbab6cd426c06..d0b8ae53660db3f9311e70485d9bdc09349a7a8b 100644 (file)
@@ -363,7 +363,7 @@ static int pcmcia_notify(struct notifier_block *nb, unsigned long action,
                return 0;
 
        /* We use the direct ops for localbus */
-       dev->dma_ops = &dma_direct_ops;
+       dev->dma_ops = &dma_nommu_ops;
 
        return 0;
 }
index 749055553064041369d111b01b793ba9368a5d48..9582aeb1fe4c772e00c1dd394e77502ff4917510 100644 (file)
@@ -1850,7 +1850,7 @@ static int pnv_pci_ioda_dma_set_mask(struct pci_dev *pdev, u64 dma_mask)
 
        if (bypass) {
                dev_info(&pdev->dev, "Using 64-bit DMA iommu bypass\n");
-               set_dma_ops(&pdev->dev, &dma_direct_ops);
+               set_dma_ops(&pdev->dev, &dma_nommu_ops);
        } else {
                /*
                 * If the device can't set the TCE bypass bit but still wants
@@ -1868,7 +1868,7 @@ static int pnv_pci_ioda_dma_set_mask(struct pci_dev *pdev, u64 dma_mask)
                                return rc;
                        /* 4GB offset bypasses 32-bit space */
                        set_dma_offset(&pdev->dev, (1ULL << 32));
-                       set_dma_ops(&pdev->dev, &dma_direct_ops);
+                       set_dma_ops(&pdev->dev, &dma_nommu_ops);
                } else if (dma_mask >> 32 && dma_mask != DMA_BIT_MASK(64)) {
                        /*
                         * Fail the request if a DMA mask between 32 and 64 bits
index 69921f72e2dad38ff9e9ad9ec6ebe8a2d93c8071..eaa11334fc8c3cd435c7e55f3a3977b66576b0e8 100644 (file)
@@ -1231,7 +1231,7 @@ static int dma_set_mask_pSeriesLP(struct device *dev, u64 dma_mask)
                        if (dma_offset != 0) {
                                dev_info(dev, "Using 64-bit direct DMA at offset %llx\n", dma_offset);
                                set_dma_offset(dev, dma_offset);
-                               set_dma_ops(dev, &dma_direct_ops);
+                               set_dma_ops(dev, &dma_nommu_ops);
                                ddw_enabled = true;
                        }
                }
index d86938260a86752b46536f4d40af2eec4a15cd77..49e04ec19238a82ca8a371b818615163f44ab754 100644 (file)
@@ -618,7 +618,7 @@ static u64 vio_dma_get_required_mask(struct device *dev)
 static const struct dma_map_ops vio_dma_mapping_ops = {
        .alloc             = vio_dma_iommu_alloc_coherent,
        .free              = vio_dma_iommu_free_coherent,
-       .mmap              = dma_direct_mmap_coherent,
+       .mmap              = dma_nommu_mmap_coherent,
        .map_sg            = vio_dma_iommu_map_sg,
        .unmap_sg          = vio_dma_iommu_unmap_sg,
        .map_page          = vio_dma_iommu_map_page,
index 3573d54b27706cc9e68de13ed32983a48cbd389d..a6198d4f0f032d0406b2c558f76ed365807d13bc 100644 (file)
@@ -402,7 +402,7 @@ static int dart_dma_set_mask(struct device *dev, u64 dma_mask)
         */
        if (dart_device_on_pcie(dev) && dma_mask >= DMA_BIT_MASK(40)) {
                dev_info(dev, "Using 64-bit DMA iommu bypass\n");
-               set_dma_ops(dev, &dma_direct_ops);
+               set_dma_ops(dev, &dma_nommu_ops);
        } else {
                dev_info(dev, "Using 32-bit DMA via iommu\n");
                set_dma_ops(dev, &dma_iommu_ops);
@@ -446,7 +446,7 @@ void __init iommu_init_early_dart(struct pci_controller_ops *controller_ops)
        controller_ops->dma_bus_setup = NULL;
 
        /* Setup pci_dma ops */
-       set_pci_dma_ops(&dma_direct_ops);
+       set_pci_dma_ops(&dma_nommu_ops);
 }
 
 #ifdef CONFIG_PM
index 22d98057f773bf5837ef26a51fb9ea2427006dae..e4d0133bbeeb1cbbcc5ceb2a3669c5d325765ee0 100644 (file)
@@ -135,7 +135,7 @@ static int fsl_pci_dma_set_mask(struct device *dev, u64 dma_mask)
         * mapping that allows addressing any RAM address from across PCI.
         */
        if (dev_is_pci(dev) && dma_mask >= pci64_dma_offset * 2 - 1) {
-               set_dma_ops(dev, &dma_direct_ops);
+               set_dma_ops(dev, &dma_nommu_ops);
                set_dma_offset(dev, pci64_dma_offset);
        }
 
index 512a4897dbf6eb81b8b7115b9fb6fa4fc67e154a..7fd0bdc1436a3fd530bcd14c2d4e7f91f31f3cd4 100644 (file)
@@ -54,7 +54,7 @@ static bool cxl_pci_enable_device_hook(struct pci_dev *dev)
                return false;
        }
 
-       set_dma_ops(&dev->dev, &dma_direct_ops);
+       set_dma_ops(&dev->dev, &dma_nommu_ops);
        set_dma_offset(&dev->dev, PAGE_OFFSET);
 
        return _cxl_pci_associate_default_context(dev, afu);