On 03/13/2020 04:24 PM, Christoph Hellwig wrote:
On Mon, Mar 09, 2020 at 04:23:24PM +0800, Tiezhu Yang wrote:Implement __phys_to_dma() and __dma_to_phys() according to the node id offset in 7A1000 DMA route config register.Can you just switch Loongson over to use the dma_pfn_offset field in struct device? I'd love to kill the __phys_to_dma and __dma_to_phys hooks wherever possible.
Hi Christoph, Thanks for your suggestion, I will refactor the code. Thanks, Tiezhu Yang