On Thu, Sep 27, 2018 at 03:30:20PM +0100, Robin Murphy wrote: >> +static gfp_t __dma_direct_optimal_gfp_mask(struct device *dev, u64 >> dma_mask, >> + u64 *phys_mask) >> +{ >> + if (force_dma_unencrypted()) >> + *phys_mask = __dma_to_phys(dev, dma_mask); >> + else >> + *phys_mask = dma_to_phys(dev, dma_mask); > > Maybe make phys_to_dma_direct() take u64 instead of phys_addr_t so we can > reuse it here?
This is a dma_to_phys and not a phys_to_dma.