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From:   Robin Gong <yibin.gong@nxp.com>
To:     Matt Porter <mporter@konsulko.com>,
        Daniel Baluta <daniel.baluta@gmail.com>
CC:     Shawn Guo <shawnguo@kernel.org>,
        Sascha Hauer <s.hauer@pengutronix.de>,
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        Leonard Crestez <leonard.crestez@nxp.com>,
        Daniel Baluta <daniel.baluta@nxp.com>,
        Devicetree List <devicetree@vger.kernel.org>,
        Linux ARM Kernel List <linux-arm-kernel@lists.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH] arm64: dts: imx8mm: fix dma peripheral type for SAI nodes
Thread-Topic: [PATCH] arm64: dts: imx8mm: fix dma peripheral type for SAI
 nodes
Thread-Index: AQHWE1BeKLvAnwSi/kudm5PLyQ0/Nqh6hYcAgAcaXPA=
Date:   Mon, 20 Apr 2020 07:21:59 +0000
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On 2020/04/16 Matt Porter <mporter@konsulko.com> 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@konsulko.com>
> 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@konsulko.com>
> >
> > 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.
>=20
> Hi Daniel,
>=20
> Thanks for the response. I was experiencing timeouts that were traced bac=
k 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 somet=
hing
> quite old so now I'm suspecting I had bad firmware loaded up. Does that s=
ound
> 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.