On 09/11/12 14:25, Arnd Bergmann wrote:
> On Wednesday 31 October 2012, James Hogan wrote:
>> +static inline void
>> +dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
>> + enum dma_data_direction direction)
>> +{
>> + BUG_ON(!valid_dma_direction(direction));
>> + dma_sync_for_cpu((void *)bus_to_virt(dma_addr), size, direction);
>> +}
>
> bus_to_virt is deprecated an should not be visible to device drivers
> any more for new stuff. Maybe you can remove the definition and introduce
> a __bus_to_virt() function for internal use that also returns a pointer
> type instead.
Hi Arnd,
Is there any reason not to just directly use phys_to_virt (which
bus_to_virt was defined as before)?
Thanks
James
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