linux-kernel - Re: linux-next: build warnings after merge of the broadcom tree

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Message-ID: <20220831091654.45d5ed41@canb.auug.org.au>
Date:   Wed, 31 Aug 2022 09:16:54 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Rafał Miłecki <rafal@...ecki.pl>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Olof Johansson <olof@...om.net>, Arnd Bergmann <arnd@...db.de>,
        ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: linux-next: build warnings after merge of the broadcom tree

Hi all,

On Mon, 15 Aug 2022 10:54:19 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> On Mon, 25 Jul 2022 12:33:48 +0200 Rafał Miłecki <rafal@...ecki.pl> wrote:
> >
> > On 25.07.2022 01:59, Stephen Rothwell wrote:  
> > > After merging the broadcom tree, today's linux-next build (arm
> > > multi_v7_defconfig) produced these warnings:
> > > 
> > > arch/arm/boot/dts/bcm5301x.dtsi:240.21-246.5: Warning (pci_bridge): /axi@...00000/pcie@...00: missing ranges for PCI bridge (or not a bridge)
> > > arch/arm/boot/dts/bcm5301x.dtsi:248.21-254.5: Warning (pci_bridge): /axi@...00000/pcie@...00: missing ranges for PCI bridge (or not a bridge)
> > > arch/arm/boot/dts/bcm5301x.dtsi:256.21-262.5: Warning (pci_bridge): /axi@...00000/pcie@...00: missing ranges for PCI bridge (or not a bridge)    
> > 
> > This is expected. My commit ef126d3f58d25 ("ARM: dts: BCM5301X: Add
> > basic PCI controller properties") reduced following warnings:
> > 
> > arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dtb: pcie@...00: 'device_type' is a required property
> >          From schema: /lib/python3.9/site-packages/dtschema/schemas/pci/pci-bus.yaml
> > arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dtb: pcie@...00: 'ranges' is a required property
> >          From schema: /lib/python3.9/site-packages/dtschema/schemas/pci/pci-bus.yaml
> > arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dtb: pcie@...00: '#address-cells' is a required property
> >          From schema: /lib/python3.9/site-packages/dtschema/schemas/pci/pci-bus.yaml
> > arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dtb: pcie@...00: '#size-cells' is a required property
> >          From schema: /lib/python3.9/site-packages/dtschema/schemas/pci/pci-bus.yaml
> > 
> > 
> > down to this one:
> > 
> > arch/arm/boot/dts/bcm47081-buffalo-wzr-600dhp2.dtb: pcie@...00: 'ranges' is a required property
> >          From schema: /lib/python3.9/site-packages/dtschema/schemas/pci/pci-bus.yaml
> > 
> > 
> > and basically does the right thing (adds required properties).
> > 
> > 
> > I'm fully aware "ranges" need to be added (it's mentioned in the commit)
> > and it's one of next things on my BCM5301X list.
> > 
> > So while my commits triggers that problem it also reduces warnings so
> > I'd say it's acceptable.

Not from my point of view:  I was not getting any warnings and now I am
getting 254 lines of warnings :-(
  
> So, is something being done about these introduced warnings?

I am still seeing these warnings.

The above commit is now

  61dc1e3850a6 ("ARM: dts: BCM5301X: Add basic PCI controller properties")

-- 
Cheers,
Stephen Rothwell

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