On Mon, Dec 07, 2020 at 02:21:40PM +0100, Krzysztof Kozlowski wrote:
> On Mon, Dec 07, 2020 at 02:53:24PM +0800, Shengjiu Wang wrote:
> > Error log:
> > sysfs: cannot create duplicate filename '/bus/platform/devices/30000000.bus'
> >
> > The spba bus name is duplicate with aips bus name.
> > Refine spba bus name to fix this issue.
> >
> > Fixes: 970406eaef3a ("arm64: dts: imx8mn: Enable Asynchronous Sample Rate Converter")
> > Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx>
> > ---
> > arch/arm64/boot/dts/freescale/imx8mn.dtsi | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
> > index fd669c0f3fe5..30762eb4f0a7 100644
> > --- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi
> > +++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
> > @@ -246,7 +246,7 @@ aips1: bus@30000000 {
> > #size-cells = <1>;
> > ranges;
> >
> > - spba: bus@30000000 {
> > + spba: spba-bus@30000000 {
>
> The proper node name is "bus" so basically you introduce wrong name to
> other problem. Introducing wrong names at least requires a comment.
I just noticed that my message was barely understandable... so let me
fix it:
The proper node name is "bus" so basically you introduce wrong name to
_fix_ other problem. Introducing wrong names at least requires a comment.
> However the actual problem here is not in node names but in addresses:
>
> aips1: bus@30000000 {
> spba: bus@30000000 {
>
> You have to devices with the same unit address. How do you share the
> address space?
>
> I think this should be rather fixed.
And again, hungry keyboard ate a letter, so:
You have _two_ devices with the same unit address. How do you share the
address space?
I think this should be rather fixed.
Best regards,
Krzysztof
