Now that all set_dma_ops() implementations are identical (ignoring
BUG_ON() statements), remove the architecture specific definitions
and add a definition in <linux/dma-mapping.h>.
Signed-off-by: Bart Van Assche <bart.vanass...@sandisk.com>
Cc: Benjamin Herrenschmidt <b...@kernel.crashing.org>
Cc: Chris Metcalf <cmetc...@mellanox.com>
Cc: David Woodhouse <dw...@infradead.org>
Cc: linux-a...@vger.kernel.org
Cc: linux-arm-ker...@lists.infradead.org
Cc: linux-ker...@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Paul Mackerras <pau...@samba.org>
Cc: Russell King <li...@armlinux.org.uk>
---
arch/arm/include/asm/dma-mapping.h | 6 ------
arch/powerpc/include/asm/dma-mapping.h | 5 -----
arch/tile/include/asm/dma-mapping.h | 5 -----
include/linux/dma-mapping.h | 5 +++++
4 files changed, 5 insertions(+), 16 deletions(-)
diff --git a/arch/arm/include/asm/dma-mapping.h
b/arch/arm/include/asm/dma-mapping.h
index 312f4d0564d6..c7432d647e53 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -31,12 +31,6 @@ static inline const struct dma_map_ops *get_dma_ops(struct
device *dev)
return __generic_dma_ops(dev);
}
-static inline void set_dma_ops(struct device *dev, const struct dma_map_ops
*ops)
-{
- BUG_ON(!dev);
- dev->dma_ops = ops;
-}
-
#define HAVE_ARCH_DMA_SUPPORTED 1
extern int dma_supported(struct device *dev, u64 mask);
diff --git a/arch/powerpc/include/asm/dma-mapping.h
b/arch/powerpc/include/asm/dma-mapping.h
index 59fbd4abcbf8..8275603ba4d5 100644
--- a/arch/powerpc/include/asm/dma-mapping.h
+++ b/arch/powerpc/include/asm/dma-mapping.h
@@ -91,11 +91,6 @@ static inline const struct dma_map_ops *get_dma_ops(struct
device *dev)
return dev->dma_ops;
}
-static inline void set_dma_ops(struct device *dev, const struct dma_map_ops
*ops)
-{
- dev->dma_ops = ops;
-}
-
/*
* get_dma_offset()
*
diff --git a/arch/tile/include/asm/dma-mapping.h
b/arch/tile/include/asm/dma-mapping.h
index c0620697eaad..2562995a6ac9 100644
--- a/arch/tile/include/asm/dma-mapping.h
+++ b/arch/tile/include/asm/dma-mapping.h
@@ -59,11 +59,6 @@ static inline phys_addr_t dma_to_phys(struct device *dev,
dma_addr_t daddr)
static inline void dma_mark_clean(void *addr, size_t size) {}
-static inline void set_dma_ops(struct device *dev, const struct dma_map_ops
*ops)
-{
- dev->dma_ops = ops;
-}
-
static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t
size)
{
if (!dev->dma_mask)
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index f1da68b82c63..e97f23e8b2d9 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -164,6 +164,11 @@ int dma_mmap_from_coherent(struct device *dev, struct
vm_area_struct *vma,
#ifdef CONFIG_HAS_DMA
#include <asm/dma-mapping.h>
+static inline void set_dma_ops(struct device *dev,
+ const struct dma_map_ops *dma_ops)
+{
+ dev->dma_ops = dma_ops;
+}
#else
/*
* Define the dma api to allow compilation but not linking of
--
2.11.0
