Re: [PATCH 1/2] MIPS: Define pgprot_dmacoherent according to coherentio status
On Mon, Jan 13, 2020 at 10:07:04PM +0800, Jiaxun Yang wrote: > For MIPS chips that support coherentio DMA, it's always safe > to make DMA requests cached.
For DMA coherent devices pgprot_dmacoherent isn't even used, so this doesn't make sense.