Messages in this thread | | | Date | Sun, 9 Dec 2018 23:20:11 +0100 | From | Lukasz Majewski <> | Subject | Re: [PATCH v3] ARM: dts: Add support for Liebherr's BK4 device (vf610 based) |
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Hi Fabio,
> Hi Fabio, > > > Hi Lukasz, > > > > On Thu, Dec 6, 2018 at 11:08 AM Lukasz Majewski <lukma@denx.de> > > wrote: > > > I will check this latter this week... > > > > Reading the spi dt-binding it states that the spi slave node is > > optional. > > > > If I remove it like this, then the warning is gone: > > Unfortunately, the "slave" node is necessary - the "lwn,bk4" > compatible causes the spidev driver to be bound. > > Use space applications on this system use it to perform SPI > transmission. > > IMHO, removing the node is not a solution - we shall discover why on > current next we do see such errors.
It seems like those errors were present earlier:
https://www.lkml.org/lkml/2018/9/20/106
and
https://www.lkml.org/lkml/2018/9/20/669
It seems like the commit: 5a2ecf0de0d3d7a79e21397ad530904a72b903bb seems to fix the issue.
But I don't know why it doesn't work in this case.
> > > > > --- a/arch/arm/boot/dts/vf610-bk4.dts > > +++ b/arch/arm/boot/dts/vf610-bk4.dts > > @@ -109,12 +109,6 @@ > > bus-num = <3>; > > status = "okay"; > > spi-slave; > > - > > - slave@0 { > > - compatible = "lwn,bk4"; > > - spi-max-frequency = <30000000>; > > - reg = <0>; > > - }; > > }; > > > > &edma0 { > > > > Does spi slave still work without it? > > > Best regards, > > Lukasz Majewski > > -- > > DENX Software Engineering GmbH, Managing Director: Wolfgang Denk > HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany > Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: > lukma@denx.de
Best regards,
Lukasz Majewski
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lukma@denx.de [unhandled content-type:application/pgp-signature] | |