linux-kernel - Re: [PATCH] mfd: cros_ec: remove unused _

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Date:   Wed, 13 Jun 2018 06:45:59 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Gwendal Grignou <gwendal@...omium.org>
Cc:     Benson Leung <bleung@...gle.com>, Arnd Bergmann <arnd@...db.de>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Benson Leung <bleung@...omium.org>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mfd: cros_ec: remove unused __remove function

On Tue, 12 Jun 2018, Gwendal Grignou wrote:

> On Sun, Jun 10, 2018 at 11:08 PM Lee Jones <lee.jones@...aro.org> wrote:
> >
> > On Fri, 08 Jun 2018, Benson Leung wrote:
> >
> > >
> > > On Fri, Jun 08, 2018 at 04:48:06PM +0200, Arnd Bergmann wrote:
> > > > This function is no longer called, so we get a harmless
> > > > warning until it is removed as well:
> > > >
> > > > drivers/mfd/cros_ec_dev.c:265:13: error: '__remove' defined but not used [-Werror=unused-function]
> > > >
> > > > Fixes: 3aa2177e4787 ("mfd: cros_ec: Use devm_kzalloc for private data")
> > >
> > > Gwendal, in PATCH v2 of https://patchwork.kernel.org/patch/10439449/
> > > you mentioned that you readded the __remove to avoid a warning when built
> > > as a module. Can you explain what's going on?
> >
> > Yes please, and quickly.  I'm going to sent the patch-set today.  If I
> > don't hear from you promptly, I'll probably pull the patch!
> I readded it because when cros_ec_dev is loaded as module, I get a
> warning on dmesg when unloading:
> 
> """Device 'cros_pd' [or 'cros_ec'] does not have a release() function,
> it is broken and must be fixed."""
> 
> The warning comes from device_release(). Given I get a warning when I
> remove the release function or when I leave it empty. Let's pull the
> patch.

I already did.  It's in Mainline. :)

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