Hi Fabio, > Hi Fabio, > > > Hi Lukasz, > > > > On Thu, Dec 6, 2018 at 11:08 AM Lukasz Majewski <lukma@xxxxxxx> > > 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@xxxxxxx 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@xxxxxxx
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