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ARM/dma-mapping: remove dma_to_virt

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dma_to_virt is entirely unused, remove it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig 2020-09-08 09:02:56 +02:00
parent f982438e82
commit 002a26fb55
2 changed files with 1 additions and 21 deletions
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18
arch/arm/include/asm/dma-mapping.h
View 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);

4
arch/arm/mach-omap1/include/mach/memory.h
View File

@ -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) : \