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-rw-r--r--arch/powerpc/kernel/dma-iommu.c6
-rw-r--r--arch/powerpc/kernel/dma-swiotlb.c17
-rw-r--r--arch/powerpc/kernel/iommu.c28
3 files changed, 22 insertions, 29 deletions
diff --git a/arch/powerpc/kernel/dma-iommu.c b/arch/powerpc/kernel/dma-iommu.c
index 2ca6cfaebf65..9c9bcaae2f75 100644
--- a/arch/powerpc/kernel/dma-iommu.c
+++ b/arch/powerpc/kernel/dma-iommu.c
@@ -105,11 +105,6 @@ static u64 dma_iommu_get_required_mask(struct device *dev)
return mask;
}
-int dma_iommu_mapping_error(struct device *dev, dma_addr_t dma_addr)
-{
- return dma_addr == IOMMU_MAPPING_ERROR;
-}
-
struct dma_map_ops dma_iommu_ops = {
.alloc = dma_iommu_alloc_coherent,
.free = dma_iommu_free_coherent,
@@ -120,5 +115,4 @@ struct dma_map_ops dma_iommu_ops = {
.map_page = dma_iommu_map_page,
.unmap_page = dma_iommu_unmap_page,
.get_required_mask = dma_iommu_get_required_mask,
- .mapping_error = dma_iommu_mapping_error,
};
diff --git a/arch/powerpc/kernel/dma-swiotlb.c b/arch/powerpc/kernel/dma-swiotlb.c
index 678811abccfc..7d5fc9751622 100644
--- a/arch/powerpc/kernel/dma-swiotlb.c
+++ b/arch/powerpc/kernel/dma-swiotlb.c
@@ -50,16 +50,15 @@ const struct dma_map_ops powerpc_swiotlb_dma_ops = {
.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,
+ .map_sg = dma_direct_map_sg,
+ .unmap_sg = dma_direct_unmap_sg,
.dma_supported = swiotlb_dma_supported,
- .map_page = swiotlb_map_page,
- .unmap_page = swiotlb_unmap_page,
- .sync_single_for_cpu = swiotlb_sync_single_for_cpu,
- .sync_single_for_device = swiotlb_sync_single_for_device,
- .sync_sg_for_cpu = swiotlb_sync_sg_for_cpu,
- .sync_sg_for_device = swiotlb_sync_sg_for_device,
- .mapping_error = dma_direct_mapping_error,
+ .map_page = dma_direct_map_page,
+ .unmap_page = dma_direct_unmap_page,
+ .sync_single_for_cpu = dma_direct_sync_single_for_cpu,
+ .sync_single_for_device = dma_direct_sync_single_for_device,
+ .sync_sg_for_cpu = dma_direct_sync_sg_for_cpu,
+ .sync_sg_for_device = dma_direct_sync_sg_for_device,
.get_required_mask = swiotlb_powerpc_get_required,
};
diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
index 9d5d109f15c0..d0625480b59e 100644
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c
@@ -198,11 +198,11 @@ static unsigned long iommu_range_alloc(struct device *dev,
if (unlikely(npages == 0)) {
if (printk_ratelimit())
WARN_ON(1);
- return IOMMU_MAPPING_ERROR;
+ return DMA_MAPPING_ERROR;
}
if (should_fail_iommu(dev))
- return IOMMU_MAPPING_ERROR;
+ return DMA_MAPPING_ERROR;
/*
* We don't need to disable preemption here because any CPU can
@@ -278,7 +278,7 @@ again:
} else {
/* Give up */
spin_unlock_irqrestore(&(pool->lock), flags);
- return IOMMU_MAPPING_ERROR;
+ return DMA_MAPPING_ERROR;
}
}
@@ -310,13 +310,13 @@ static dma_addr_t iommu_alloc(struct device *dev, struct iommu_table *tbl,
unsigned long attrs)
{
unsigned long entry;
- dma_addr_t ret = IOMMU_MAPPING_ERROR;
+ dma_addr_t ret = DMA_MAPPING_ERROR;
int build_fail;
entry = iommu_range_alloc(dev, tbl, npages, NULL, mask, align_order);
- if (unlikely(entry == IOMMU_MAPPING_ERROR))
- return IOMMU_MAPPING_ERROR;
+ if (unlikely(entry == DMA_MAPPING_ERROR))
+ return DMA_MAPPING_ERROR;
entry += tbl->it_offset; /* Offset into real TCE table */
ret = entry << tbl->it_page_shift; /* Set the return dma address */
@@ -328,12 +328,12 @@ static dma_addr_t iommu_alloc(struct device *dev, struct iommu_table *tbl,
/* tbl->it_ops->set() only returns non-zero for transient errors.
* Clean up the table bitmap in this case and return
- * IOMMU_MAPPING_ERROR. For all other errors the functionality is
+ * DMA_MAPPING_ERROR. For all other errors the functionality is
* not altered.
*/
if (unlikely(build_fail)) {
__iommu_free(tbl, ret, npages);
- return IOMMU_MAPPING_ERROR;
+ return DMA_MAPPING_ERROR;
}
/* Flush/invalidate TLB caches if necessary */
@@ -478,7 +478,7 @@ int ppc_iommu_map_sg(struct device *dev, struct iommu_table *tbl,
DBG(" - vaddr: %lx, size: %lx\n", vaddr, slen);
/* Handle failure */
- if (unlikely(entry == IOMMU_MAPPING_ERROR)) {
+ if (unlikely(entry == DMA_MAPPING_ERROR)) {
if (!(attrs & DMA_ATTR_NO_WARN) &&
printk_ratelimit())
dev_info(dev, "iommu_alloc failed, tbl %p "
@@ -545,7 +545,7 @@ int ppc_iommu_map_sg(struct device *dev, struct iommu_table *tbl,
*/
if (outcount < incount) {
outs = sg_next(outs);
- outs->dma_address = IOMMU_MAPPING_ERROR;
+ outs->dma_address = DMA_MAPPING_ERROR;
outs->dma_length = 0;
}
@@ -563,7 +563,7 @@ int ppc_iommu_map_sg(struct device *dev, struct iommu_table *tbl,
npages = iommu_num_pages(s->dma_address, s->dma_length,
IOMMU_PAGE_SIZE(tbl));
__iommu_free(tbl, vaddr, npages);
- s->dma_address = IOMMU_MAPPING_ERROR;
+ s->dma_address = DMA_MAPPING_ERROR;
s->dma_length = 0;
}
if (s == outs)
@@ -777,7 +777,7 @@ dma_addr_t iommu_map_page(struct device *dev, struct iommu_table *tbl,
unsigned long mask, enum dma_data_direction direction,
unsigned long attrs)
{
- dma_addr_t dma_handle = IOMMU_MAPPING_ERROR;
+ dma_addr_t dma_handle = DMA_MAPPING_ERROR;
void *vaddr;
unsigned long uaddr;
unsigned int npages, align;
@@ -797,7 +797,7 @@ dma_addr_t iommu_map_page(struct device *dev, struct iommu_table *tbl,
dma_handle = iommu_alloc(dev, tbl, vaddr, npages, direction,
mask >> tbl->it_page_shift, align,
attrs);
- if (dma_handle == IOMMU_MAPPING_ERROR) {
+ if (dma_handle == DMA_MAPPING_ERROR) {
if (!(attrs & DMA_ATTR_NO_WARN) &&
printk_ratelimit()) {
dev_info(dev, "iommu_alloc failed, tbl %p "
@@ -869,7 +869,7 @@ void *iommu_alloc_coherent(struct device *dev, struct iommu_table *tbl,
io_order = get_iommu_order(size, tbl);
mapping = iommu_alloc(dev, tbl, ret, nio_pages, DMA_BIDIRECTIONAL,
mask >> tbl->it_page_shift, io_order, 0);
- if (mapping == IOMMU_MAPPING_ERROR) {
+ if (mapping == DMA_MAPPING_ERROR) {
free_pages((unsigned long)ret, order);
return NULL;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 12:03:19 +0000