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

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Date:   Tue, 2 Jul 2019 12:09:59 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Keerthy <j-keerthy@...com>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        gustavo@...eddedor.com, keescook@...omium.org
Subject: Re: linux-next: build warning after merge of the mfd tree

On Tue, 02 Jul 2019, Stephen Rothwell wrote:

> Hi all,
> 
> On Thu, 27 Jun 2019 11:29:18 +0530 Keerthy <j-keerthy@...com> wrote:
> >
> > On 27/06/19 10:41 AM, Stephen Rothwell wrote:
> > > Hi Lee,
> > > 
> > > After merging the mfd tree, today's linux-next build (x86_64 allmodconfig)
> > > produced this warning:
> > > 
> > > drivers/regulator/lp87565-regulator.c: In function 'lp87565_regulator_probe':
> > > drivers/regulator/lp87565-regulator.c:182:11: warning: this statement may fall through [-Wimplicit-fallthrough=]
> > >     max_idx = LP87565_BUCK_3210;  
> > 
> > Missed adding a break here. Can i send a patch on top of linux-next?
> > 
> > >     ~~~~~~~~^~~~~~~~~~~~~~~~~~~
> > > drivers/regulator/lp87565-regulator.c:183:2: note: here
> > >    default:
> > >    ^~~~~~~
> > > 
> > > Introduced by commit
> > > 
> > >    7ee63bd74750 ("regulator: lp87565: Add 4-phase lp87561 regulator support")
> > > 
> > > I get these warnings because I am building with -Wimplicit-fallthrough
> > > in attempt to catch new additions early.  The gcc warning can be turned
> > > off by adding a /* fall through */ comment at the point the fall through
> > > happens (assuming that the fall through is intentional).
> > >   
> 
> I am still seeing this warning ...

Just pushed the fix for this.

Thank you Stephen.

-- 
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
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