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

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Message-ID: <20190702184916.5f0f9e99@canb.auug.org.au>
Date:   Tue, 2 Jul 2019 18:49:15 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Keerthy <j-keerthy@...com>
Cc:     Lee Jones <lee.jones@...aro.org>,
        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

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 ...

-- 
Cheers,
Stephen Rothwell

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