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powerpc: remove support for NULL dev in __phys_to_dma / __dma_to_phys 

Support for calling the DMA API functions without a valid device pointer
was removed a while ago, so remove the stale support for that from the
powerpc __phys_to_dma / __dma_to_phys helpers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
This commit is contained in:
Christoph Hellwig 2019-11-12 17:08:49 +01:00
parent c7345159f7
commit cb6f6392db
1 changed files with 0 additions and 4 deletions
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4
arch/powerpc/include/asm/dma-direct.h
View File

@ -4,15 +4,11 @@
static inline dma_addr_t __phys_to_dma(struct device *dev, phys_addr_t paddr)
{
if (!dev)
return paddr + PCI_DRAM_OFFSET;
return paddr + dev->archdata.dma_offset;
}
static inline phys_addr_t __dma_to_phys(struct device *dev, dma_addr_t daddr)
{
if (!dev)
return daddr - PCI_DRAM_OFFSET;
return daddr - dev->archdata.dma_offset;
}
#endif /* ASM_POWERPC_DMA_DIRECT_H */