[PATCH 2/6] ARM/dma-mapping: remove dma_to_virt

2020-09-15 Thread Christoph Hellwig
dma_to_virt is entirely unused, remove it.

Signed-off-by: Christoph Hellwig 
---
 arch/arm/include/asm/dma-mapping.h| 18 +-
 arch/arm/mach-omap1/include/mach/memory.h |  4 
 2 files changed, 1 insertion(+), 21 deletions(-)

diff --git a/arch/arm/include/asm/dma-mapping.h 
b/arch/arm/include/asm/dma-mapping.h
index 70d95677656044..cf2535fb8891f5 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -24,7 +24,7 @@ static inline const struct dma_map_ops 
*get_arch_dma_ops(struct bus_type *bus)
 }
 
 /*
- * dma_to_pfn/pfn_to_dma/dma_to_virt/virt_to_dma are architecture private
+ * dma_to_pfn/pfn_to_dma/virt_to_dma are architecture private
  * functions used internally by the DMA-mapping API to provide DMA
  * addresses. They must not be used by drivers.
  */
@@ -46,17 +46,6 @@ static inline unsigned long dma_to_pfn(struct device *dev, 
dma_addr_t addr)
return pfn;
 }
 
-static inline void *dma_to_virt(struct device *dev, dma_addr_t addr)
-{
-   if (dev) {
-   unsigned long pfn = dma_to_pfn(dev, addr);
-
-   return phys_to_virt(__pfn_to_phys(pfn));
-   }
-
-   return (void *)__bus_to_virt((unsigned long)addr);
-}
-
 static inline dma_addr_t virt_to_dma(struct device *dev, void *addr)
 {
if (dev)
@@ -76,11 +65,6 @@ static inline unsigned long dma_to_pfn(struct device *dev, 
dma_addr_t addr)
return __arch_dma_to_pfn(dev, addr);
 }
 
-static inline void *dma_to_virt(struct device *dev, dma_addr_t addr)
-{
-   return __arch_dma_to_virt(dev, addr);
-}
-
 static inline dma_addr_t virt_to_dma(struct device *dev, void *addr)
 {
return __arch_virt_to_dma(dev, addr);
diff --git a/arch/arm/mach-omap1/include/mach/memory.h 
b/arch/arm/mach-omap1/include/mach/memory.h
index 1142560e0078f5..e43697c3297bf2 100644
--- a/arch/arm/mach-omap1/include/mach/memory.h
+++ b/arch/arm/mach-omap1/include/mach/memory.h
@@ -41,10 +41,6 @@
   __phys_to_pfn(__dma);\
})
 
-#define __arch_dma_to_virt(dev, addr)  ({ (void *) (is_lbus_device(dev) ? \
-   lbus_to_virt(addr) : \
-   __phys_to_virt(addr)); })
-
 #define __arch_virt_to_dma(dev, addr)  ({ unsigned long __addr = (unsigned 
long)(addr); \
   (dma_addr_t) (is_lbus_device(dev) ? \
virt_to_lbus(__addr) : \
-- 
2.28.0

___
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu


[PATCH 2/6] ARM/dma-mapping: remove dma_to_virt

2020-09-14 Thread Christoph Hellwig
dma_to_virt is entirely unused, remove it.

Signed-off-by: Christoph Hellwig 
---
 arch/arm/include/asm/dma-mapping.h| 18 +-
 arch/arm/mach-omap1/include/mach/memory.h |  4 
 2 files changed, 1 insertion(+), 21 deletions(-)

diff --git a/arch/arm/include/asm/dma-mapping.h 
b/arch/arm/include/asm/dma-mapping.h
index 70d95677656044..cf2535fb8891f5 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -24,7 +24,7 @@ static inline const struct dma_map_ops 
*get_arch_dma_ops(struct bus_type *bus)
 }
 
 /*
- * dma_to_pfn/pfn_to_dma/dma_to_virt/virt_to_dma are architecture private
+ * dma_to_pfn/pfn_to_dma/virt_to_dma are architecture private
  * functions used internally by the DMA-mapping API to provide DMA
  * addresses. They must not be used by drivers.
  */
@@ -46,17 +46,6 @@ static inline unsigned long dma_to_pfn(struct device *dev, 
dma_addr_t addr)
return pfn;
 }
 
-static inline void *dma_to_virt(struct device *dev, dma_addr_t addr)
-{
-   if (dev) {
-   unsigned long pfn = dma_to_pfn(dev, addr);
-
-   return phys_to_virt(__pfn_to_phys(pfn));
-   }
-
-   return (void *)__bus_to_virt((unsigned long)addr);
-}
-
 static inline dma_addr_t virt_to_dma(struct device *dev, void *addr)
 {
if (dev)
@@ -76,11 +65,6 @@ static inline unsigned long dma_to_pfn(struct device *dev, 
dma_addr_t addr)
return __arch_dma_to_pfn(dev, addr);
 }
 
-static inline void *dma_to_virt(struct device *dev, dma_addr_t addr)
-{
-   return __arch_dma_to_virt(dev, addr);
-}
-
 static inline dma_addr_t virt_to_dma(struct device *dev, void *addr)
 {
return __arch_virt_to_dma(dev, addr);
diff --git a/arch/arm/mach-omap1/include/mach/memory.h 
b/arch/arm/mach-omap1/include/mach/memory.h
index 1142560e0078f5..e43697c3297bf2 100644
--- a/arch/arm/mach-omap1/include/mach/memory.h
+++ b/arch/arm/mach-omap1/include/mach/memory.h
@@ -41,10 +41,6 @@
   __phys_to_pfn(__dma);\
})
 
-#define __arch_dma_to_virt(dev, addr)  ({ (void *) (is_lbus_device(dev) ? \
-   lbus_to_virt(addr) : \
-   __phys_to_virt(addr)); })
-
 #define __arch_virt_to_dma(dev, addr)  ({ unsigned long __addr = (unsigned 
long)(addr); \
   (dma_addr_t) (is_lbus_device(dev) ? \
virt_to_lbus(__addr) : \
-- 
2.28.0

___
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu