linux-kernel - Re: linux-next: build warnings in Linus' tree

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Date:   Thu, 14 Oct 2021 00:28:41 +0200
From:   Anatolij Gustschin <agust@...x.de>
To:     Rob Herring <robh+dt@...nel.org>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        PowerPC <linuxppc-dev@...ts.ozlabs.org>
Subject: Re: linux-next: build warnings in Linus' tree

On Wed, 13 Oct 2021 17:17:25 -0500
Rob Herring robh+dt@...nel.org wrote:
...
>In general, you shouldn't need to be changing the drivers. Can you
>tell me which warnings need driver changes?

ethernet and mdio drivers share registers, so they use same unit-address:

arch/powerpc/boot/dts/tqm5200.dts:127.17-133.5: Warning (unique_unit_address): /soc5200@...00000/ethernet@...0: duplicate unit-address (also used in node /soc5200@...00000/mdio@...0)

arch/powerpc/boot/dts/mpc5200b.dtsi:218.23-223.5: Warning (unique_unit_address): /soc5200@...00000/ethernet@...0: duplicate unit-address (also used in node /soc5200@...00000/mdio@...0)
  also defined at arch/powerpc/boot/dts/digsy_mtc.dts:60.17-62.5

Anatolij