[PATCH 19/40] change alloc_pages name in dma_map_ops to avoid name conflicts

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After redefining alloc_pages, all uses of that name are being replaced.
Change the conflicting names to prevent preprocessor from replacing them
when it's not intended.

Signed-off-by: Suren Baghdasaryan <surenb@xxxxxxxxxx>
---
 arch/x86/kernel/amd_gart_64.c | 2 +-
 drivers/iommu/dma-iommu.c     | 2 +-
 drivers/xen/grant-dma-ops.c   | 2 +-
 drivers/xen/swiotlb-xen.c     | 2 +-
 include/linux/dma-map-ops.h   | 2 +-
 kernel/dma/mapping.c          | 4 ++--
 6 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/arch/x86/kernel/amd_gart_64.c b/arch/x86/kernel/amd_gart_64.c
index 56a917df410d..842a0ec5eaa9 100644
--- a/arch/x86/kernel/amd_gart_64.c
+++ b/arch/x86/kernel/amd_gart_64.c
@@ -676,7 +676,7 @@ static const struct dma_map_ops gart_dma_ops = {
 	.get_sgtable			= dma_common_get_sgtable,
 	.dma_supported			= dma_direct_supported,
 	.get_required_mask		= dma_direct_get_required_mask,
-	.alloc_pages			= dma_direct_alloc_pages,
+	.alloc_pages_op			= dma_direct_alloc_pages,
 	.free_pages			= dma_direct_free_pages,
 };
 
diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c
index 7a9f0b0bddbd..76a9d5ca4eee 100644
--- a/drivers/iommu/dma-iommu.c
+++ b/drivers/iommu/dma-iommu.c
@@ -1556,7 +1556,7 @@ static const struct dma_map_ops iommu_dma_ops = {
 	.flags			= DMA_F_PCI_P2PDMA_SUPPORTED,
 	.alloc			= iommu_dma_alloc,
 	.free			= iommu_dma_free,
-	.alloc_pages		= dma_common_alloc_pages,
+	.alloc_pages_op		= dma_common_alloc_pages,
 	.free_pages		= dma_common_free_pages,
 	.alloc_noncontiguous	= iommu_dma_alloc_noncontiguous,
 	.free_noncontiguous	= iommu_dma_free_noncontiguous,
diff --git a/drivers/xen/grant-dma-ops.c b/drivers/xen/grant-dma-ops.c
index 9784a77fa3c9..6c7d984f164d 100644
--- a/drivers/xen/grant-dma-ops.c
+++ b/drivers/xen/grant-dma-ops.c
@@ -282,7 +282,7 @@ static int xen_grant_dma_supported(struct device *dev, u64 mask)
 static const struct dma_map_ops xen_grant_dma_ops = {
 	.alloc = xen_grant_dma_alloc,
 	.free = xen_grant_dma_free,
-	.alloc_pages = xen_grant_dma_alloc_pages,
+	.alloc_pages_op = xen_grant_dma_alloc_pages,
 	.free_pages = xen_grant_dma_free_pages,
 	.mmap = dma_common_mmap,
 	.get_sgtable = dma_common_get_sgtable,
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index 67aa74d20162..5ab2616153f0 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -403,6 +403,6 @@ const struct dma_map_ops xen_swiotlb_dma_ops = {
 	.dma_supported = xen_swiotlb_dma_supported,
 	.mmap = dma_common_mmap,
 	.get_sgtable = dma_common_get_sgtable,
-	.alloc_pages = dma_common_alloc_pages,
+	.alloc_pages_op = dma_common_alloc_pages,
 	.free_pages = dma_common_free_pages,
 };
diff --git a/include/linux/dma-map-ops.h b/include/linux/dma-map-ops.h
index 31f114f486c4..d741940dcb3b 100644
--- a/include/linux/dma-map-ops.h
+++ b/include/linux/dma-map-ops.h
@@ -27,7 +27,7 @@ struct dma_map_ops {
 			unsigned long attrs);
 	void (*free)(struct device *dev, size_t size, void *vaddr,
 			dma_addr_t dma_handle, unsigned long attrs);
-	struct page *(*alloc_pages)(struct device *dev, size_t size,
+	struct page *(*alloc_pages_op)(struct device *dev, size_t size,
 			dma_addr_t *dma_handle, enum dma_data_direction dir,
 			gfp_t gfp);
 	void (*free_pages)(struct device *dev, size_t size, struct page *vaddr,
diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c
index 9a4db5cce600..fc42930af14b 100644
--- a/kernel/dma/mapping.c
+++ b/kernel/dma/mapping.c
@@ -570,9 +570,9 @@ static struct page *__dma_alloc_pages(struct device *dev, size_t size,
 	size = PAGE_ALIGN(size);
 	if (dma_alloc_direct(dev, ops))
 		return dma_direct_alloc_pages(dev, size, dma_handle, dir, gfp);
-	if (!ops->alloc_pages)
+	if (!ops->alloc_pages_op)
 		return NULL;
-	return ops->alloc_pages(dev, size, dma_handle, dir, gfp);
+	return ops->alloc_pages_op(dev, size, dma_handle, dir, gfp);
 }
 
 struct page *dma_alloc_pages(struct device *dev, size_t size,
-- 
2.40.1.495.gc816e09b53d-goog




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