Commit 4e7f7266 authored by Felix Fietkau's avatar Felix Fietkau Committed by Ralf Baechle

MIPS: Remove unnecessary platform dma helper functions

The semantics stay the same - on Cavium Octeon the functions were dead
code (it overrides the MIPS DMA ops) - on other platforms they contained
no code at all.
Signed-off-by: default avatarFelix Fietkau <nbd@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5720/Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 8a8594a7
...@@ -52,23 +52,11 @@ static inline int plat_dma_supported(struct device *dev, u64 mask) ...@@ -52,23 +52,11 @@ static inline int plat_dma_supported(struct device *dev, u64 mask)
return 0; return 0;
} }
static inline void plat_extra_sync_for_device(struct device *dev)
{
BUG();
}
static inline int plat_device_is_coherent(struct device *dev) static inline int plat_device_is_coherent(struct device *dev)
{ {
return 1; return 1;
} }
static inline int plat_dma_mapping_error(struct device *dev,
dma_addr_t dma_addr)
{
BUG();
return 0;
}
dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr); 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); phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr);
......
...@@ -47,16 +47,6 @@ static inline int plat_dma_supported(struct device *dev, u64 mask) ...@@ -47,16 +47,6 @@ static inline int plat_dma_supported(struct device *dev, u64 mask)
return 1; return 1;
} }
static inline void plat_extra_sync_for_device(struct device *dev)
{
}
static inline int plat_dma_mapping_error(struct device *dev,
dma_addr_t dma_addr)
{
return 0;
}
static inline int plat_device_is_coherent(struct device *dev) static inline int plat_device_is_coherent(struct device *dev)
{ {
#ifdef CONFIG_DMA_COHERENT #ifdef CONFIG_DMA_COHERENT
......
...@@ -58,16 +58,6 @@ static inline int plat_dma_supported(struct device *dev, u64 mask) ...@@ -58,16 +58,6 @@ static inline int plat_dma_supported(struct device *dev, u64 mask)
return 1; return 1;
} }
static inline void plat_extra_sync_for_device(struct device *dev)
{
}
static inline int plat_dma_mapping_error(struct device *dev,
dma_addr_t dma_addr)
{
return 0;
}
static inline int plat_device_is_coherent(struct device *dev) static inline int plat_device_is_coherent(struct device *dev)
{ {
return 1; /* IP27 non-cohernet mode is unsupported */ return 1; /* IP27 non-cohernet mode is unsupported */
......
...@@ -80,17 +80,6 @@ static inline int plat_dma_supported(struct device *dev, u64 mask) ...@@ -80,17 +80,6 @@ static inline int plat_dma_supported(struct device *dev, u64 mask)
return 1; return 1;
} }
static inline void plat_extra_sync_for_device(struct device *dev)
{
return;
}
static inline int plat_dma_mapping_error(struct device *dev,
dma_addr_t dma_addr)
{
return 0;
}
static inline int plat_device_is_coherent(struct device *dev) static inline int plat_device_is_coherent(struct device *dev)
{ {
return 0; /* IP32 is non-cohernet */ return 0; /* IP32 is non-cohernet */
......
...@@ -48,16 +48,6 @@ static inline int plat_dma_supported(struct device *dev, u64 mask) ...@@ -48,16 +48,6 @@ static inline int plat_dma_supported(struct device *dev, u64 mask)
return 1; return 1;
} }
static inline void plat_extra_sync_for_device(struct device *dev)
{
}
static inline int plat_dma_mapping_error(struct device *dev,
dma_addr_t dma_addr)
{
return 0;
}
static inline int plat_device_is_coherent(struct device *dev) static inline int plat_device_is_coherent(struct device *dev)
{ {
return 0; return 0;
......
...@@ -53,16 +53,6 @@ static inline int plat_dma_supported(struct device *dev, u64 mask) ...@@ -53,16 +53,6 @@ static inline int plat_dma_supported(struct device *dev, u64 mask)
return 1; return 1;
} }
static inline void plat_extra_sync_for_device(struct device *dev)
{
}
static inline int plat_dma_mapping_error(struct device *dev,
dma_addr_t dma_addr)
{
return 0;
}
static inline int plat_device_is_coherent(struct device *dev) static inline int plat_device_is_coherent(struct device *dev)
{ {
return 0; return 0;
......
...@@ -99,16 +99,6 @@ static inline int plat_dma_supported(struct device *dev, u64 mask) ...@@ -99,16 +99,6 @@ static inline int plat_dma_supported(struct device *dev, u64 mask)
return 1; return 1;
} }
static inline void plat_extra_sync_for_device(struct device *dev)
{
}
static inline int plat_dma_mapping_error(struct device *dev,
dma_addr_t dma_addr)
{
return 0;
}
static inline int plat_device_is_coherent(struct device *dev) static inline int plat_device_is_coherent(struct device *dev)
{ {
return 0; return 0;
......
...@@ -297,7 +297,6 @@ static void mips_dma_sync_single_for_cpu(struct device *dev, ...@@ -297,7 +297,6 @@ static void mips_dma_sync_single_for_cpu(struct device *dev,
static void mips_dma_sync_single_for_device(struct device *dev, static void mips_dma_sync_single_for_device(struct device *dev,
dma_addr_t dma_handle, size_t size, enum dma_data_direction direction) dma_addr_t dma_handle, size_t size, enum dma_data_direction direction)
{ {
plat_extra_sync_for_device(dev);
if (!plat_device_is_coherent(dev)) if (!plat_device_is_coherent(dev))
__dma_sync(dma_addr_to_page(dev, dma_handle), __dma_sync(dma_addr_to_page(dev, dma_handle),
dma_handle & ~PAGE_MASK, size, direction); dma_handle & ~PAGE_MASK, size, direction);
...@@ -327,7 +326,7 @@ static void mips_dma_sync_sg_for_device(struct device *dev, ...@@ -327,7 +326,7 @@ static void mips_dma_sync_sg_for_device(struct device *dev,
int mips_dma_mapping_error(struct device *dev, dma_addr_t dma_addr) int mips_dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
{ {
return plat_dma_mapping_error(dev, dma_addr); return 0;
} }
int mips_dma_supported(struct device *dev, u64 mask) int mips_dma_supported(struct device *dev, u64 mask)
...@@ -340,7 +339,6 @@ void dma_cache_sync(struct device *dev, void *vaddr, size_t size, ...@@ -340,7 +339,6 @@ void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
{ {
BUG_ON(direction == DMA_NONE); BUG_ON(direction == DMA_NONE);
plat_extra_sync_for_device(dev);
if (!plat_device_is_coherent(dev)) if (!plat_device_is_coherent(dev))
__dma_sync_virtual(vaddr, size, direction); __dma_sync_virtual(vaddr, size, direction);
} }
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment