On Fri, Jan 4, 2019 at 7:42 PM Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx> wrote: > On Fri, Jan 04, 2019 at 12:56:23PM -0800, John Stultz wrote: > > From: Youlin Wang <wwx575822@xxxxxxxxxxxxxxxxxxxx> > > > > There is an new "hisi-pcm-asp-dma-1.0" device added in > > "arch/arm64/boot/dts/hisilicon/hi3660.dtsi". > > So we have to add a matching id in the driver file: > > .compatible = "hisilicon,hisi-pcm-asp-dma-1.0" > > > > And also hisi-pcm-asp dma device needs no setting to the clock. > > So we skip this by adding and using soc data flags. > > > > After above this driver will support both k3 and hisi_asp dma hardware. > > > > Small description about the hardware (ASP DMAC) would be really helpful. I've taken a shot at this (along with integrating your other feedback - thanks again for the review!), though as I don't have direct documentation, my knowledge is a bit second hand. See here: https://git.linaro.org/people/john.stultz/android-dev.git/commit/?h=dev/hikey960-mainline-WIP&id=754a79facf1af0b59a7f8fd63050da12ebf5521e Let me know if you have suggestions for more specific changes! thanks -john
