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treewide: Consolidate set_dma_ops() implementations

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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.vanassche@sandisk.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Chris Metcalf <cmetcalf@mellanox.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: linux-arch@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Paul Mackerras <paulus@samba.org>
Cc: Russell King <linux@armlinux.org.uk>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Bart Van Assche 2017-01-20 13:04:03 -08:00 committed by Doug Ledford
parent 5657933dbb
commit ca6e8e1031
4 changed files with 5 additions and 16 deletions
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6
arch/arm/include/asm/dma-mapping.h
View file

@ -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);

5
arch/powerpc/include/asm/dma-mapping.h
View file

@ -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()
*

5
arch/tile/include/asm/dma-mapping.h
View file

@ -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)

5
include/linux/dma-mapping.h
View file

@ -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