[PATCH 2/2] MIPS: Update dma-coherence.h files

From: Florian Fainelli
Date: Tue Jan 23 2018 - 20:40:50 EST

Define all functions that differ from the generic implementation, kill
the redundant generic implementation where relevant, and finally include
asm/mach-generic/dma-coherence.h to be future proof when new functions
will be added.

Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
---
arch/mips/include/asm/mach-ath25/dma-coherence.h | 10 +++++---
arch/mips/include/asm/mach-bmips/dma-coherence.h | 24 +++++--------------
.../include/asm/mach-cavium-octeon/dma-coherence.h | 14 +++++++----
arch/mips/include/asm/mach-ip27/dma-coherence.h | 28 +++++-----------------
arch/mips/include/asm/mach-ip32/dma-coherence.h | 16 ++++++-------
arch/mips/include/asm/mach-jazz/dma-coherence.h | 24 ++++++-------------
.../include/asm/mach-loongson64/dma-coherence.h | 16 ++++++-------
7 files changed, 51 insertions(+), 81 deletions(-)

diff --git a/arch/mips/include/asm/mach-ath25/dma-coherence.h b/arch/mips/include/asm/mach-ath25/dma-coherence.h
index d5defdde32db..63bce15fa54d 100644
--- a/arch/mips/include/asm/mach-ath25/dma-coherence.h
+++ b/arch/mips/include/asm/mach-ath25/dma-coherence.h
@@ -30,35 +30,41 @@ static inline dma_addr_t ath25_dev_offset(struct device *dev)
return 0;
}

+#define plat_map_dma_mem plat_map_dma_mem
static inline dma_addr_t
plat_map_dma_mem(struct device *dev, void *addr, size_t size)
{
return virt_to_phys(addr) + ath25_dev_offset(dev);
}

+#define plat_map_dma_mem_page plat_map_dma_mem_page
static inline dma_addr_t
plat_map_dma_mem_page(struct device *dev, struct page *page)
{
return page_to_phys(page) + ath25_dev_offset(dev);
}

+#define plat_dma_addr_to_phys plat_dma_addr_to_phys
static inline unsigned long
plat_dma_addr_to_phys(struct device *dev, dma_addr_t dma_addr)
{
return dma_addr - ath25_dev_offset(dev);
}

+#define plat_unmap_dma_mem plat_unmap_dma_mem
static inline void
plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr, size_t size,
enum dma_data_direction direction)
{
}

+#define plat_dma_supported plat_dma_supported
static inline int plat_dma_supported(struct device *dev, u64 mask)
{
return 1;
}

+#define plat_device_is_coherent plat_device_is_coherent
static inline int plat_device_is_coherent(struct device *dev)
{
#ifdef CONFIG_DMA_COHERENT
@@ -69,8 +75,6 @@ static inline int plat_device_is_coherent(struct device *dev)
#endif
}

-static inline void plat_post_dma_flush(struct device *dev)
-{
-}
+#include <asm/mach-generic/dma-coherence.h>

#endif /* __ASM_MACH_ATH25_DMA_COHERENCE_H */
diff --git a/arch/mips/include/asm/mach-bmips/dma-coherence.h b/arch/mips/include/asm/mach-bmips/dma-coherence.h
index d29781f02285..b56380066573 100644
--- a/arch/mips/include/asm/mach-bmips/dma-coherence.h
+++ b/arch/mips/include/asm/mach-bmips/dma-coherence.h
@@ -21,29 +21,15 @@

struct device;

+#define plat_map_dma_mem plat_map_dma_mem
extern dma_addr_t plat_map_dma_mem(struct device *dev, void *addr, size_t size);
+#define plat_map_dma_mem_page plat_map_dma_mem_page
extern dma_addr_t plat_map_dma_mem_page(struct device *dev, struct page *page);
+#define plat_dma_addr_to_phys plat_dma_addr_to_phys
extern unsigned long plat_dma_addr_to_phys(struct device *dev,
dma_addr_t dma_addr);

-static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr,
- size_t size, enum dma_data_direction direction)
-{
-}
-
-static inline int plat_dma_supported(struct device *dev, u64 mask)
-{
- /*
- * we fall back to GFP_DMA when the mask isn't all 1s,
- * so we can't guarantee allocations that must be
- * within a tighter range than GFP_DMA..
- */
- if (mask < DMA_BIT_MASK(24))
- return 0;
-
- return 1;
-}
-
+#define plat_device_is_coherent plat_device_is_coherent
static inline int plat_device_is_coherent(struct device *dev)
{
return 0;
@@ -51,4 +37,6 @@ static inline int plat_device_is_coherent(struct device *dev)

#define plat_post_dma_flush bmips_post_dma_flush

+#include <asm/mach-generic/dma-coherence.h>
+
#endif /* __ASM_MACH_BMIPS_DMA_COHERENCE_H */
diff --git a/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h b/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h
index 9110988b92a1..165e13aba3ff 100644
--- a/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h
+++ b/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h
@@ -19,6 +19,7 @@ struct device;

extern void octeon_pci_dma_init(void);

+#define plat_map_dma_mem plat_map_dma_mem
static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr,
size_t size)
{
@@ -26,6 +27,7 @@ static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr,
return 0;
}

+#define plat_map_dma_mem_page plat_map_dma_mem_page
static inline dma_addr_t plat_map_dma_mem_page(struct device *dev,
struct page *page)
{
@@ -33,6 +35,7 @@ static inline dma_addr_t plat_map_dma_mem_page(struct device *dev,
return 0;
}

+#define plat_dma_addr_to_phys plat_dma_addr_to_phys
static inline unsigned long plat_dma_addr_to_phys(struct device *dev,
dma_addr_t dma_addr)
{
@@ -40,32 +43,35 @@ static inline unsigned long plat_dma_addr_to_phys(struct device *dev,
return 0;
}

+#define plat_unmap_dma_mem plat_unmap_dma_mem
static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr,
size_t size, enum dma_data_direction direction)
{
BUG();
}

+#define plat_dma_supported plat_dma_supported
static inline int plat_dma_supported(struct device *dev, u64 mask)
{
BUG();
return 0;
}

+#define plat_device_is_coherent plat_device_is_coherent
static inline int plat_device_is_coherent(struct device *dev)
{
return 1;
}

-static inline void plat_post_dma_flush(struct device *dev)
-{
-}
-
+#define phys_to_dma phys_to_dma
dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr);
+#define dma_to_phys dma_to_phys
phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr);

struct dma_map_ops;
extern const struct dma_map_ops *octeon_pci_dma_map_ops;
extern char *octeon_swiotlb;

+#include <asm/mach-generic/dma-coherence.h>
+
#endif /* __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H */
diff --git a/arch/mips/include/asm/mach-ip27/dma-coherence.h b/arch/mips/include/asm/mach-ip27/dma-coherence.h
index 04d862020ac9..996147f8db4c 100644
--- a/arch/mips/include/asm/mach-ip27/dma-coherence.h
+++ b/arch/mips/include/asm/mach-ip27/dma-coherence.h
@@ -18,6 +18,7 @@

struct device;

+#define plat_map_dma_mem plat_map_dma_mem
static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr,
size_t size)
{
@@ -26,6 +27,7 @@ static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr,
return pa;
}

+#define plat_map_dma_mem_page plat_map_dma_mem_page
static inline dma_addr_t plat_map_dma_mem_page(struct device *dev,
struct page *page)
{
@@ -34,37 +36,19 @@ static inline dma_addr_t plat_map_dma_mem_page(struct device *dev,
return pa;
}

+#define plat_dma_addr_to_phys plat_dma_addr_to_phys
static inline unsigned long plat_dma_addr_to_phys(struct device *dev,
dma_addr_t dma_addr)
{
return dma_addr & ~(0xffUL << 56);
}

-static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr,
- size_t size, enum dma_data_direction direction)
-{
-}
-
-static inline int plat_dma_supported(struct device *dev, u64 mask)
-{
- /*
- * we fall back to GFP_DMA when the mask isn't all 1s,
- * so we can't guarantee allocations that must be
- * within a tighter range than GFP_DMA..
- */
- if (mask < DMA_BIT_MASK(24))
- return 0;
-
- return 1;
-}
-
-static inline void plat_post_dma_flush(struct device *dev)
-{
-}
-
+#define plat_device_is_coherent plat_device_is_coherent
static inline int plat_device_is_coherent(struct device *dev)
{
return 1; /* IP27 non-coherent mode is unsupported */
}

+#include <asm/mach-generic/dma-coherence.h>
+
#endif /* __ASM_MACH_IP27_DMA_COHERENCE_H */
diff --git a/arch/mips/include/asm/mach-ip32/dma-coherence.h b/arch/mips/include/asm/mach-ip32/dma-coherence.h
index 7bdf212587a0..23640029d85c 100644
--- a/arch/mips/include/asm/mach-ip32/dma-coherence.h
+++ b/arch/mips/include/asm/mach-ip32/dma-coherence.h
@@ -26,6 +26,7 @@ struct device;

#define RAM_OFFSET_MASK 0x3fffffffUL

+#define plat_map_dma_mem plat_map_dma_mem
static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr,
size_t size)
{
@@ -37,6 +38,7 @@ static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr,
return pa;
}

+#define plat_map_dma_mem_page plat_map_dma_mem_page
static inline dma_addr_t plat_map_dma_mem_page(struct device *dev,
struct page *page)
{
@@ -51,6 +53,7 @@ static inline dma_addr_t plat_map_dma_mem_page(struct device *dev,
}

/* This is almost certainly wrong but it's what dma-ip32.c used to use */
+#define plat_dma_addr_to_phys plat_dma_addr_to_phys
static inline unsigned long plat_dma_addr_to_phys(struct device *dev,
dma_addr_t dma_addr)
{
@@ -62,11 +65,7 @@ static inline unsigned long plat_dma_addr_to_phys(struct device *dev,
return addr;
}

-static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr,
- size_t size, enum dma_data_direction direction)
-{
-}
-
+#define plat_dma_supported plat_dma_supported
static inline int plat_dma_supported(struct device *dev, u64 mask)
{
/*
@@ -80,13 +79,12 @@ static inline int plat_dma_supported(struct device *dev, u64 mask)
return 1;
}

-static inline void plat_post_dma_flush(struct device *dev)
-{
-}
-
+#define plat_device_is_coherent plat_device_is_coherent
static inline int plat_device_is_coherent(struct device *dev)
{
return 0; /* IP32 is non-coherent */
}

+#include <asm/mach-generic/dma-coherence.h>
+
#endif /* __ASM_MACH_IP32_DMA_COHERENCE_H */
diff --git a/arch/mips/include/asm/mach-jazz/dma-coherence.h b/arch/mips/include/asm/mach-jazz/dma-coherence.h
index dc347c25c343..83eb573abcca 100644
--- a/arch/mips/include/asm/mach-jazz/dma-coherence.h
+++ b/arch/mips/include/asm/mach-jazz/dma-coherence.h
@@ -12,49 +12,39 @@

struct device;

+#define plat_map_dma_mem plat_map_dma_mem
static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr, size_t size)
{
return vdma_alloc(virt_to_phys(addr), size);
}

+#define plat_map_dma_mem_page plat_map_dma_mem_page
static inline dma_addr_t plat_map_dma_mem_page(struct device *dev,
struct page *page)
{
return vdma_alloc(page_to_phys(page), PAGE_SIZE);
}

+#define plat_dma_addr_to_phys plat_dma_addr_to_phys
static inline unsigned long plat_dma_addr_to_phys(struct device *dev,
dma_addr_t dma_addr)
{
return vdma_log2phys(dma_addr);
}

+#define plat_unmap_dma_mem plat_unmap_dma_mem
static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr,
size_t size, enum dma_data_direction direction)
{
vdma_free(dma_addr);
}

-static inline int plat_dma_supported(struct device *dev, u64 mask)
-{
- /*
- * we fall back to GFP_DMA when the mask isn't all 1s,
- * so we can't guarantee allocations that must be
- * within a tighter range than GFP_DMA..
- */
- if (mask < DMA_BIT_MASK(24))
- return 0;
-
- return 1;
-}
-
-static inline void plat_post_dma_flush(struct device *dev)
-{
-}
-
+#define plat_device_is_coherent plat_device_is_coherent
static inline int plat_device_is_coherent(struct device *dev)
{
return 0;
}

+#include <asm/mach-generic/dma-coherence.h>
+
#endif /* __ASM_MACH_JAZZ_DMA_COHERENCE_H */
diff --git a/arch/mips/include/asm/mach-loongson64/dma-coherence.h b/arch/mips/include/asm/mach-loongson64/dma-coherence.h
index 1602a9e9e8c2..0a9bbc4c1449 100644
--- a/arch/mips/include/asm/mach-loongson64/dma-coherence.h
+++ b/arch/mips/include/asm/mach-loongson64/dma-coherence.h
@@ -17,8 +17,11 @@

struct device;

+#define phys_to_dma phys_to_dma
extern dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr);
+#define dma_to_phys dma_to_phys
extern phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr);
+#define plat_map_dma_mem plat_map_dma_mem
static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr,
size_t size)
{
@@ -29,6 +32,7 @@ static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr,
#endif
}

+#define plat_map_dma_mem_page plat_map_dma_mem_page
static inline dma_addr_t plat_map_dma_mem_page(struct device *dev,
struct page *page)
{
@@ -39,6 +43,7 @@ static inline dma_addr_t plat_map_dma_mem_page(struct device *dev,
#endif
}

+#define plat_dma_addr_to_phys plat_dma_addr_to_phys
static inline unsigned long plat_dma_addr_to_phys(struct device *dev,
dma_addr_t dma_addr)
{
@@ -51,11 +56,7 @@ static inline unsigned long plat_dma_addr_to_phys(struct device *dev,
#endif
}

-static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr,
- size_t size, enum dma_data_direction direction)
-{
-}
-
+#define plat_dma_supported plat_dma_supported
static inline int plat_dma_supported(struct device *dev, u64 mask)
{
/*
@@ -69,6 +70,7 @@ static inline int plat_dma_supported(struct device *dev, u64 mask)
return 1;
}

+#define plat_device_is_coherent plat_device_is_coherent
static inline int plat_device_is_coherent(struct device *dev)
{
#ifdef CONFIG_DMA_NONCOHERENT
@@ -78,8 +80,6 @@ static inline int plat_device_is_coherent(struct device *dev)
#endif /* CONFIG_DMA_NONCOHERENT */
}

-static inline void plat_post_dma_flush(struct device *dev)
-{
-}
+#include <asm/mach-generic/dma-coherence.h>

#endif /* __ASM_MACH_LOONGSON64_DMA_COHERENCE_H */
--
2.7.4