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nexedi
linux
Commits
0acbfc66
Commit
0acbfc66
authored
Mar 27, 2015
by
Ralf Baechle
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MIPS: DMA: Implement platform hook to perform post-DMA cache flushes.
Signed-off-by:
Ralf Baechle
<
ralf@linux-mips.org
>
parent
25307380
Changes
9
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9 changed files
with
35 additions
and
1 deletion
+35
-1
arch/mips/include/asm/mach-ath25/dma-coherence.h
arch/mips/include/asm/mach-ath25/dma-coherence.h
+4
-0
arch/mips/include/asm/mach-bmips/dma-coherence.h
arch/mips/include/asm/mach-bmips/dma-coherence.h
+4
-0
arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h
arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h
+4
-0
arch/mips/include/asm/mach-generic/dma-coherence.h
arch/mips/include/asm/mach-generic/dma-coherence.h
+4
-0
arch/mips/include/asm/mach-ip27/dma-coherence.h
arch/mips/include/asm/mach-ip27/dma-coherence.h
+4
-0
arch/mips/include/asm/mach-ip32/dma-coherence.h
arch/mips/include/asm/mach-ip32/dma-coherence.h
+4
-0
arch/mips/include/asm/mach-jazz/dma-coherence.h
arch/mips/include/asm/mach-jazz/dma-coherence.h
+4
-0
arch/mips/include/asm/mach-loongson/dma-coherence.h
arch/mips/include/asm/mach-loongson/dma-coherence.h
+4
-0
arch/mips/mm/dma-default.c
arch/mips/mm/dma-default.c
+3
-1
No files found.
arch/mips/include/asm/mach-ath25/dma-coherence.h
View file @
0acbfc66
...
...
@@ -69,4 +69,8 @@ static inline int plat_device_is_coherent(struct device *dev)
#endif
}
static
inline
void
plat_post_dma_flush
(
struct
device
*
dev
)
{
}
#endif
/* __ASM_MACH_ATH25_DMA_COHERENCE_H */
arch/mips/include/asm/mach-bmips/dma-coherence.h
View file @
0acbfc66
...
...
@@ -45,4 +45,8 @@ static inline int plat_device_is_coherent(struct device *dev)
return
0
;
}
static
inline
void
plat_post_dma_flush
(
struct
device
*
dev
)
{
}
#endif
/* __ASM_MACH_BMIPS_DMA_COHERENCE_H */
arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h
View file @
0acbfc66
...
...
@@ -57,6 +57,10 @@ static inline int plat_device_is_coherent(struct device *dev)
return
1
;
}
static
inline
void
plat_post_dma_flush
(
struct
device
*
dev
)
{
}
dma_addr_t
phys_to_dma
(
struct
device
*
dev
,
phys_addr_t
paddr
);
phys_addr_t
dma_to_phys
(
struct
device
*
dev
,
dma_addr_t
daddr
);
...
...
arch/mips/include/asm/mach-generic/dma-coherence.h
View file @
0acbfc66
...
...
@@ -52,6 +52,10 @@ static inline int plat_device_is_coherent(struct device *dev)
return
coherentio
;
}
static
inline
void
plat_post_dma_flush
(
struct
device
*
dev
)
{
}
#ifdef CONFIG_SWIOTLB
static
inline
dma_addr_t
phys_to_dma
(
struct
device
*
dev
,
phys_addr_t
paddr
)
{
...
...
arch/mips/include/asm/mach-ip27/dma-coherence.h
View file @
0acbfc66
...
...
@@ -58,6 +58,10 @@ static inline int plat_dma_supported(struct device *dev, u64 mask)
return
1
;
}
static
inline
void
plat_post_dma_flush
(
struct
device
*
dev
)
{
}
static
inline
int
plat_device_is_coherent
(
struct
device
*
dev
)
{
return
1
;
/* IP27 non-cohernet mode is unsupported */
...
...
arch/mips/include/asm/mach-ip32/dma-coherence.h
View file @
0acbfc66
...
...
@@ -80,6 +80,10 @@ static inline int plat_dma_supported(struct device *dev, u64 mask)
return
1
;
}
static
inline
void
plat_post_dma_flush
(
struct
device
*
dev
)
{
}
static
inline
int
plat_device_is_coherent
(
struct
device
*
dev
)
{
return
0
;
/* IP32 is non-cohernet */
...
...
arch/mips/include/asm/mach-jazz/dma-coherence.h
View file @
0acbfc66
...
...
@@ -48,6 +48,10 @@ static inline int plat_dma_supported(struct device *dev, u64 mask)
return
1
;
}
static
inline
void
plat_post_dma_flush
(
struct
device
*
dev
)
{
}
static
inline
int
plat_device_is_coherent
(
struct
device
*
dev
)
{
return
0
;
...
...
arch/mips/include/asm/mach-loongson/dma-coherence.h
View file @
0acbfc66
...
...
@@ -78,4 +78,8 @@ static inline int plat_device_is_coherent(struct device *dev)
#endif
/* CONFIG_DMA_NONCOHERENT */
}
static
inline
void
plat_post_dma_flush
(
struct
device
*
dev
)
{
}
#endif
/* __ASM_MACH_LOONGSON_DMA_COHERENCE_H */
arch/mips/mm/dma-default.c
View file @
0acbfc66
...
...
@@ -258,7 +258,7 @@ static void mips_dma_unmap_page(struct device *dev, dma_addr_t dma_addr,
if
(
cpu_needs_post_dma_flush
(
dev
))
__dma_sync
(
dma_addr_to_page
(
dev
,
dma_addr
),
dma_addr
&
~
PAGE_MASK
,
size
,
direction
);
plat_post_dma_flush
(
dev
);
plat_unmap_dma_mem
(
dev
,
dma_addr
,
size
,
direction
);
}
...
...
@@ -312,6 +312,7 @@ static void mips_dma_sync_single_for_cpu(struct device *dev,
if
(
cpu_needs_post_dma_flush
(
dev
))
__dma_sync
(
dma_addr_to_page
(
dev
,
dma_handle
),
dma_handle
&
~
PAGE_MASK
,
size
,
direction
);
plat_post_dma_flush
(
dev
);
}
static
void
mips_dma_sync_single_for_device
(
struct
device
*
dev
,
...
...
@@ -331,6 +332,7 @@ static void mips_dma_sync_sg_for_cpu(struct device *dev,
for
(
i
=
0
;
i
<
nelems
;
i
++
,
sg
++
)
__dma_sync
(
sg_page
(
sg
),
sg
->
offset
,
sg
->
length
,
direction
);
plat_post_dma_flush
(
dev
);
}
static
void
mips_dma_sync_sg_for_device
(
struct
device
*
dev
,
...
...
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