xiaomi-sm8450/android_kernel_xiaomi_sm8450
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sh: Kill off virt_to_bus()/bus_to_virt().

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Wire up ARCH_NO_VIRT_TO_BUS, and kill off the remaining users. The
dma-mapping code really wanted virt_to_phys()/phys_to_virt() anyways,
there are no inherently special bus addresses.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
2007-07-25 11:18:00 +09:00
parent 0fbde9509d
commit e257ad062a
4 changed files with 9 additions and 10 deletions
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8
include/asm-sh/dma-mapping.h
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@@ -69,11 +69,11 @@ static inline dma_addr_t dma_map_single(struct device *dev,
{
#if defined(CONFIG_PCI) && !defined(CONFIG_SH_PCIDMA_NONCOHERENT)
if (dev->bus == &pci_bus_type)
return virt_to_bus(ptr);
return virt_to_phys(ptr);
#endif
dma_cache_sync(dev, ptr, size, dir);
return virt_to_bus(ptr);
return virt_to_phys(ptr);
}
#define dma_unmap_single(dev, addr, size, dir) do { } while (0)
@@ -116,7 +116,7 @@ static inline void dma_sync_single(struct device *dev, dma_addr_t dma_handle,
if (dev->bus == &pci_bus_type)
return;
#endif
dma_cache_sync(dev, bus_to_virt(dma_handle), size, dir);
dma_cache_sync(dev, phys_to_virt(dma_handle), size, dir);
}
static inline void dma_sync_single_range(struct device *dev,
@@ -128,7 +128,7 @@ static inline void dma_sync_single_range(struct device *dev,
if (dev->bus == &pci_bus_type)
return;
#endif
dma_cache_sync(dev, bus_to_virt(dma_handle) + offset, size, dir);
dma_cache_sync(dev, phys_to_virt(dma_handle) + offset, size, dir);
}
static inline void dma_sync_sg(struct device *dev, struct scatterlist *sg,