Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
MIME-Version: 1.0
References: <20190404103925.25652-1-yuehaibing@huawei.com> <20190405142112.26592-1-yuehaibing@huawei.com>
 <20190405145009.GD9224@smile.fi.intel.com> <2719325.nu6fPkO1U5@kreacher>
In-Reply-To: <2719325.nu6fPkO1U5@kreacher>
From:   Andy Shevchenko <andy.shevchenko@gmail.com>
Date:   Fri, 12 Apr 2019 16:13:14 +0300
Message-ID: <CAHp75VccF9-ax8nJ9qOfAFMvLR19K6NqwyePEf-86r4ifMnJKA@mail.gmail.com>
Subject: Re: [PATCH v2] gpio: merrifield: Fix build err without CONFIG_ACPI
To:     "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc:     Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Yue Haibing <yuehaibing@huawei.com>,
        Linus Walleij <linus.walleij@linaro.org>,
        Bartosz Golaszewski <bgolaszewski@baylibre.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
        ACPI Devel Maling List <linux-acpi@vger.kernel.org>
Content-Type: text/plain; charset="UTF-8"
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Fri, Apr 12, 2019 at 3:55 AM Rafael J. Wysocki <rjw@rjwysocki.net> wrote:
> On Friday, April 5, 2019 4:50:09 PM CEST Andy Shevchenko wrote:
> > On Fri, Apr 05, 2019 at 10:21:12PM +0800, Yue Haibing wrote:
> > > From: YueHaibing <yuehaibing@huawei.com>
> > >
> > > When building CONFIG_ACPI is not set
> > > gcc warn this:
> > >
> > > drivers/gpio/gpio-merrifield.c: In function
> > > mrfld_gpio_get_pinctrl_dev_name: drivers/gpio/gpio-merrifield.c:388:19:
> > > error: dereferencing pointer to incomplete type struct acpi_device>
> > >    put_device(&adev->dev);
> > >
> > >                    ^
> > >
> > > Reported-by: Hulk Robot <hulkci@huawei.com>
> > > Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> > > Fixes:d00d2109c367 ("gpio: merrifield: Convert to use
> > > acpi_dev_get_first_match_dev()") Signed-off-by: YueHaibing
> > > <yuehaibing@huawei.com>
> >
> > Thank you for an update, I have a comment below, but before sending v3, let
> > Rafael to have a chance to look at it.
> >
> > >  #ifdef CONFIG_ACPI
> > >  extern int acpi_platform_notify(struct device *dev, enum kobject_action
> > >  action);>
> > > +
> > > +static inline void put_acpi_device(struct acpi_device *adev)
> > > +{
> > > +   put_device(&adev->dev);
> > > +}
> >
> > This should probably go to acpi_bus.h under acpi_dev_get_first_match_dev().
> > And talking to Mika we agreed that naming would be better as acpi_dev_put().
>
> Agreed on both accounts.

Thanks!
YueHaibing, please, send v3 with suggested changes.

-- 
With Best Regards,
Andy Shevchenko