[PATCH 16/67] powerpc: rename dma_direct_ to dma_nommu_

From: Christoph Hellwig
Date: Fri Dec 29 2017 - 03:20:51 EST

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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@xxxxxx>
---
arch/powerpc/include/asm/dma-mapping.h | 8 ++--
arch/powerpc/kernel/dma-iommu.c | 2 +-
arch/powerpc/kernel/dma-swiotlb.c | 6 +--
arch/powerpc/kernel/dma.c | 68 +++++++++++++++----------------
arch/powerpc/kernel/pci-common.c | 2 +-
arch/powerpc/kernel/setup-common.c | 2 +-
arch/powerpc/platforms/cell/iommu.c | 28 ++++++-------
arch/powerpc/platforms/pasemi/iommu.c | 2 +-
arch/powerpc/platforms/pasemi/setup.c | 2 +-
arch/powerpc/platforms/powernv/pci-ioda.c | 4 +-
arch/powerpc/platforms/pseries/iommu.c | 2 +-
arch/powerpc/platforms/pseries/vio.c | 2 +-
arch/powerpc/sysdev/dart_iommu.c | 4 +-
arch/powerpc/sysdev/fsl_pci.c | 2 +-
drivers/misc/cxl/vphb.c | 2 +-
15 files changed, 68 insertions(+), 68 deletions(-)

diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h
index f6ab51205a85..8fa394520af6 100644
--- a/arch/powerpc/include/asm/dma-mapping.h
+++ b/arch/powerpc/include/asm/dma-mapping.h
@@ -19,13 +19,13 @@
#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)
{
diff --git a/arch/powerpc/kernel/dma-iommu.c b/arch/powerpc/kernel/dma-iommu.c
index 66f33e7f8d40..f9fe2080ceb9 100644
--- a/arch/powerpc/kernel/dma-iommu.c
+++ b/arch/powerpc/kernel/dma-iommu.c
@@ -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,
diff --git a/arch/powerpc/kernel/dma-swiotlb.c b/arch/powerpc/kernel/dma-swiotlb.c
index d0ea7860e02b..f1e99b9cee97 100644
--- a/arch/powerpc/kernel/dma-swiotlb.c
+++ b/arch/powerpc/kernel/dma-swiotlb.c
@@ -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,
diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c
index df0e7bb97ab5..5d49da094a93 100644
--- a/arch/powerpc/kernel/dma.c
+++ b/arch/powerpc/kernel/dma.c
@@ -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)
{
@@ -274,25 +274,25 @@ 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
.is_phys = true,
};
-EXPORT_SYMBOL(dma_direct_ops);
+EXPORT_SYMBOL(dma_nommu_ops);

int dma_set_coherent_mask(struct device *dev, u64 mask)
{
@@ -303,7 +303,7 @@ 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;
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 0ac7aa346c69..590f4d0a6cb1 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -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)
{
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 9d213542a48b..9b89df1e71ab 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -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)
diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
index 4b91ad08eefd..12352a58072a 100644
--- a/arch/powerpc/platforms/cell/iommu.c
+++ b/arch/powerpc/platforms/cell/iommu.c
@@ -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;
}
diff --git a/arch/powerpc/platforms/pasemi/iommu.c b/arch/powerpc/platforms/pasemi/iommu.c
index 7fec04de27fc..78b80cbd9768 100644
--- a/arch/powerpc/platforms/pasemi/iommu.c
+++ b/arch/powerpc/platforms/pasemi/iommu.c
@@ -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
diff --git a/arch/powerpc/platforms/pasemi/setup.c b/arch/powerpc/platforms/pasemi/setup.c
index c4a3e93dc324..d0b8ae53660d 100644
--- a/arch/powerpc/platforms/pasemi/setup.c
+++ b/arch/powerpc/platforms/pasemi/setup.c
@@ -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;
}
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 749055553064..9582aeb1fe4c 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -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
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index 69921f72e2da..eaa11334fc8c 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -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;
}
}
diff --git a/arch/powerpc/platforms/pseries/vio.c b/arch/powerpc/platforms/pseries/vio.c
index d86938260a86..49e04ec19238 100644
--- a/arch/powerpc/platforms/pseries/vio.c
+++ b/arch/powerpc/platforms/pseries/vio.c
@@ -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,
diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c
index 3573d54b2770..a6198d4f0f03 100644
--- a/arch/powerpc/sysdev/dart_iommu.c
+++ b/arch/powerpc/sysdev/dart_iommu.c
@@ -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
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c
index 22d98057f773..e4d0133bbeeb 100644
--- a/arch/powerpc/sysdev/fsl_pci.c
+++ b/arch/powerpc/sysdev/fsl_pci.c
@@ -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);
}

diff --git a/drivers/misc/cxl/vphb.c b/drivers/misc/cxl/vphb.c
index 512a4897dbf6..7fd0bdc1436a 100644
--- a/drivers/misc/cxl/vphb.c
+++ b/drivers/misc/cxl/vphb.c
@@ -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);
--
2.14.2

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