linux-kernel - Re: linux-next: build warning after merge of the pci tree

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Message-ID: <20200915105326.GA3351@e121166-lin.cambridge.arm.com>
Date:   Tue, 15 Sep 2020 11:53:26 +0100
From:   Lorenzo Pieralisi <lorenzo.pieralisi@....com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Bjorn Helgaas <bhelgaas@...gle.com>, Rob Herring <robh@...nel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: build warning after merge of the pci tree

On Tue, Sep 15, 2020 at 01:47:21PM +1000, Stephen Rothwell wrote:
> Hi all,
> 
> On Wed, 9 Sep 2020 10:06:20 -0600 Rob Herring <robh@...nel.org> wrote:
> >
> > On Tue, Sep 8, 2020 at 8:37 PM Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> > >
> > > After merging the pci tree, today's linux-next build (arm
> > > multi_v7_defconfig) produced this warning:  
> > 
> > Uggg. I guess 0-day just doesn't do arm32 builds anymore as it caught
> > more obscure build issues, but not this one (and some others I've had
> > recently).
> > 
> > > drivers/pci/controller/dwc/pci-dra7xx.c: In function 'dra7xx_pcie_establish_link':
> > > drivers/pci/controller/dwc/pci-dra7xx.c:142:6: warning: unused variable 'exp_cap_off' [-Wunused-variable]
> > >   142 |  u32 exp_cap_off = dw_pcie_find_capability(pci, PCI_CAP_ID_EXP);
> > >       |      ^~~~~~~~~~~
> > >
> > > Introduced by commit
> > >
> > >   3af45d34d30c ("PCI: dwc: Centralize link gen setting")
> 
> I am still getting this warning.

I have pushed out a fix-up on my pci/dwc branch, the warning should
disappear as soon as Bjorn pulls it.

Thanks,
Lorenzo