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authorChristoph Hellwig <hch@lst.de>2020-11-06 19:02:17 +0300
committerMaxime Ripard <maxime@cerno.tech>2020-11-18 11:11:38 +0300
commit16fee29b07358293f135759d9fdbf1267da57ebd (patch)
tree1ca11c4f8367c7ac76a613a926a2fd18f3dee081
parent5739301308fd1a4c4b7a561f9bf6c1356e5c0612 (diff)
downloadlinux-16fee29b07358293f135759d9fdbf1267da57ebd.tar.xz
dma-mapping: remove the dma_direct_set_offset export
Drop the dma_direct_set_offset export and move the declaration to dma-map-ops.h now that the Allwinner drivers have stopped calling it. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Maxime Ripard <maxime@cerno.tech>
-rw-r--r--arch/arm/mach-keystone/keystone.c2
-rw-r--r--arch/arm/mach-omap1/usb.c2
-rw-r--r--arch/sh/drivers/pci/pcie-sh7786.c2
-rw-r--r--arch/x86/pci/sta2x11-fixup.c3
-rw-r--r--include/linux/dma-map-ops.h3
-rw-r--r--include/linux/dma-mapping.h7
-rw-r--r--kernel/dma/direct.c1
7 files changed, 8 insertions, 12 deletions
diff --git a/arch/arm/mach-keystone/keystone.c b/arch/arm/mach-keystone/keystone.c
index 09a65c2dfd73..cd711bfc591f 100644
--- a/arch/arm/mach-keystone/keystone.c
+++ b/arch/arm/mach-keystone/keystone.c
@@ -8,7 +8,7 @@
*/
#include <linux/io.h>
#include <linux/of.h>
-#include <linux/dma-mapping.h>
+#include <linux/dma-map-ops.h>
#include <linux/init.h>
#include <linux/of_platform.h>
#include <linux/of_address.h>
diff --git a/arch/arm/mach-omap1/usb.c b/arch/arm/mach-omap1/usb.c
index ba8566204ea9..86d3b3c157af 100644
--- a/arch/arm/mach-omap1/usb.c
+++ b/arch/arm/mach-omap1/usb.c
@@ -9,7 +9,7 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
-#include <linux/dma-mapping.h>
+#include <linux/dma-map-ops.h>
#include <linux/io.h>
#include <asm/irq.h>
diff --git a/arch/sh/drivers/pci/pcie-sh7786.c b/arch/sh/drivers/pci/pcie-sh7786.c
index 4468289ab2ca..4d499476c33a 100644
--- a/arch/sh/drivers/pci/pcie-sh7786.c
+++ b/arch/sh/drivers/pci/pcie-sh7786.c
@@ -12,7 +12,7 @@
#include <linux/io.h>
#include <linux/async.h>
#include <linux/delay.h>
-#include <linux/dma-mapping.h>
+#include <linux/dma-map-ops.h>
#include <linux/slab.h>
#include <linux/clk.h>
#include <linux/sh_clk.h>
diff --git a/arch/x86/pci/sta2x11-fixup.c b/arch/x86/pci/sta2x11-fixup.c
index 5701d5ba3df4..7d2525691854 100644
--- a/arch/x86/pci/sta2x11-fixup.c
+++ b/arch/x86/pci/sta2x11-fixup.c
@@ -11,7 +11,8 @@
#include <linux/pci_ids.h>
#include <linux/export.h>
#include <linux/list.h>
-#include <linux/dma-direct.h>
+#include <linux/dma-map-ops.h>
+#include <linux/swiotlb.h>
#include <asm/iommu.h>
#define STA2X11_SWIOTLB_SIZE (4*1024*1024)
diff --git a/include/linux/dma-map-ops.h b/include/linux/dma-map-ops.h
index a5f89fc4d6df..03925e438ec3 100644
--- a/include/linux/dma-map-ops.h
+++ b/include/linux/dma-map-ops.h
@@ -226,6 +226,9 @@ struct page *dma_alloc_from_pool(struct device *dev, size_t size,
bool (*phys_addr_ok)(struct device *, phys_addr_t, size_t));
bool dma_free_from_pool(struct device *dev, void *start, size_t size);
+int dma_direct_set_offset(struct device *dev, phys_addr_t cpu_start,
+ dma_addr_t dma_start, u64 size);
+
#ifdef CONFIG_ARCH_HAS_DMA_COHERENCE_H
#include <asm/dma-coherence.h>
#elif defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_DEVICE) || \
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 956151052d45..199d85285246 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -558,13 +558,6 @@ static inline int dma_mmap_wc(struct device *dev,
#define dma_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0)
#endif
-/*
- * Legacy interface to set up the dma offset map. Drivers really should not
- * actually use it, but we have a few legacy cases left.
- */
-int dma_direct_set_offset(struct device *dev, phys_addr_t cpu_start,
- dma_addr_t dma_start, u64 size);
-
extern const struct dma_map_ops dma_virt_ops;
#endif /* _LINUX_DMA_MAPPING_H */
diff --git a/kernel/dma/direct.c b/kernel/dma/direct.c
index 06c111544f61..002268262c9a 100644
--- a/kernel/dma/direct.c
+++ b/kernel/dma/direct.c
@@ -547,4 +547,3 @@ int dma_direct_set_offset(struct device *dev, phys_addr_t cpu_start,
dev->dma_range_map = map;
return 0;
}
-EXPORT_SYMBOL_GPL(dma_direct_set_offset);