ARM/dma-mapping: remove dma_to_virt
authorChristoph Hellwig <hch@lst.de>
Tue, 8 Sep 2020 07:02:56 +0000 (09:02 +0200)
committerChristoph Hellwig <hch@lst.de>
Thu, 17 Sep 2020 16:43:24 +0000 (18:43 +0200)
dma_to_virt is entirely unused, remove it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
arch/arm/include/asm/dma-mapping.h
arch/arm/mach-omap1/include/mach/memory.h

index 70d9567..cf2535f 100644 (file)
@@ -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);
index 1142560..e43697c 100644 (file)
           __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) : \