linux-kernel - Re: [PATCH v4] rtc: isl12026: Add driver.

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Date:   Fri, 16 Feb 2018 23:24:53 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     David Daney <ddaney@...iumnetworks.com>
Cc:     David Daney <david.daney@...ium.com>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, linux-rtc@...r.kernel.org,
        devicetree <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4] rtc: isl12026: Add driver.

On Fri, Feb 16, 2018 at 11:19 PM, David Daney <ddaney@...iumnetworks.com> wrote:
> On 02/16/2018 12:13 PM, Andy Shevchenko wrote:
>> On Fri, Feb 16, 2018 at 9:44 PM, David Daney <david.daney@...ium.com>
>> wrote:

>>> +config RTC_DRV_ISL12026
>>> +       tristate "Intersil ISL12026"

>> depends on OF

> It doesn't depend on CONFIG_OF, it builds just fine without it.

OK.
But then it's useless.

depends on OF || COMPILE_TEST

>>> +static struct i2c_driver isl12026_driver = {
>>> +       .driver         = {
>>> +               .name   = "rtc-isl12026",
>>> +               .of_match_table = of_match_ptr(isl12026_dt_match),

>> /of_match_ptr//

> of_match_ptr() needed if we build without CONFIG_OF

OK.
Have you tried to enable warnings?
You must get `defined but not used` one.

-- 
With Best Regards,
Andy Shevchenko