RE: [PATCH] arm64: dts: imx8mm: fix dma peripheral type for SAI nodes

[Robin Gong]

On 2020/04/16 Matt Porter <mporter@xxxxxxxxxxxx> wrote:d
> On Wed, Apr 15, 2020 at 09:04:43PM +0300, Daniel Baluta wrote:
> > On Tue, Mar 31, 2020 at 11:36 PM Matt Porter <mporter@xxxxxxxxxxxx>
> wrote:
> > >
> > > The peripheral type specified in the dma phandle for each SAI node
> > > is incorrect. Change it to specify the SAI peripheral.
> > >
> > > Signed-off-by: Matt Porter <mporter@xxxxxxxxxxxx>
> >
> > Hi Matt,
> >
> > Why do you think this is incorrect?  AFAIK script number 2 works fine
> > for SAI. Can you add more details on what bug are you encountering?
> >
> > Adding Robin the owner of SDMA.
> 
> Hi Daniel,
> 
> Thanks for the response. I was experiencing timeouts that were traced back to
> dma incompletions. Changing the script at the time fixed that issue. Now, given
> your response I went back and checked this again and verified that script 2
> does work for me now. I did change firmware to the latest v4.4 from something
> quite old so now I'm suspecting I had bad firmware loaded up. Does that sound
> plausible? In any case, I can confirm this is not needed.
No, that's not related with firmware version since both scripts are all ROM scripts instead of RAM scripts which's in sdma firmware.