[PATCH] powerpc/fsl: Add empty ranges to etsec2 dts files

[jeclark2006]

This was a sort of unfortunate revelation on how things ‘change’.

While as it is, I found this problem, and ‘fixed’ my device tree source, had this been for units ‘fielded’, I have to sleuth through some amount of kernel
code to find where the OF tree was parsed, and then ‘fix’ the kernel, as changing the FDT eeprom image is not really a ‘good’ option for
units that are in use, and need a firmware update.

John Clark.


On Jan 14, 2015, at 12:35 PM, Martin Hicks [via linuxppc] <ml-node+s10917n88773h8 at n7.nabble.com> wrote:

> Perfect.  I'm glad there's a patch.
> mh
> 
> On Mon, Jan 12, 2015 at 4:31 PM, Scott Wood <[hidden email]> wrote:
> On Mon, 2015-01-12 at 10:27 -0500, Martin Hicks wrote:
> >
> > With an earlier change (746c9e9f - Fix PowerPC address parsing hack), ethernet
> > has broken on Freescale boards such as the P1022.  All ranges used by the
> > ethernet controllers are also covered by sub-devices that properly
> > declared the used ranges.  The error shown is:
> >
> > fsl-gianfar: probe of soc at ffe00000:ethernet at b0000 failed with error -12
> >
> > Signed-off-by: Martin Hicks <[hidden email]>
> > ---
> >  arch/powerpc/boot/dts/fsl/pq3-etsec2-0.dtsi |    1 +
> >  arch/powerpc/boot/dts/fsl/pq3-etsec2-1.dtsi |    1 +
> >  arch/powerpc/boot/dts/fsl/pq3-etsec2-2.dtsi |    1 +
> >  3 files changed, 3 insertions(+)
> 
> http://patchwork.ozlabs.org/patch/422446/
> 
> > diff --git a/arch/powerpc/boot/dts/fsl/pq3-etsec2-0.dtsi b/arch/powerpc/boot/dts/fsl/pq3-etsec2-0.dtsi
> > index 1382fec..d1a6c48 100644
> > --- a/arch/powerpc/boot/dts/fsl/pq3-etsec2-0.dtsi
> > +++ b/arch/powerpc/boot/dts/fsl/pq3-etsec2-0.dtsi
> > @@ -43,6 +43,7 @@ mdio at 24000 {
> >  ethernet at b0000 {
> >       #address-cells = <1>;
> >       #size-cells = <1>;
> > +     ranges = <>;
> 
> The " = <>" is usually omitted for empty properties.
> 
> -Scott
> 
> 
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> 
> -- 
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