linux-kernel - Re: [PATCH 1/2] mfd: max14577: max14577_{suspend,resume}() should depend on CONFIG_PM

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Date:	Mon, 27 Jan 2014 09:31:18 +0100
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
Cc:	Samuel Ortiz <sameo@...ux.intel.com>,
	Lee Jones <lee.jones@...aro.org>,
	Sangbeom Kim <sbkim73@...sung.com>,
	Chanwoo Choi <cw00.choi@...sung.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] mfd: max14577: max14577_{suspend,resume}() should
 depend on CONFIG_PM_SLEEP

On Mon, Jan 27, 2014 at 9:28 AM, Krzysztof Kozlowski
<k.kozlowski@...sung.com> wrote:
> On Sun, 2014-01-26 at 11:38 +0100, Geert Uytterhoeven wrote:
>> If CONFIG_PM_SLEEP=n:
>>
>> drivers/mfd/max14577.c:177: warning: ‘max14577_suspend’ defined but not used
>> drivers/mfd/max14577.c:200: warning: ‘max14577_resume’ defined but not used
>>
>> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
>> ---
>>  drivers/mfd/max14577.c |    2 ++
>>  1 file changed, 2 insertions(+)
>>
>> diff --git a/drivers/mfd/max14577.c b/drivers/mfd/max14577.c
>> index ac514fb2b877..71aa14a6bfbb 100644
>> --- a/drivers/mfd/max14577.c
>> +++ b/drivers/mfd/max14577.c
>> @@ -173,6 +173,7 @@ static const struct i2c_device_id max14577_i2c_id[] = {
>>  };
>>  MODULE_DEVICE_TABLE(i2c, max14577_i2c_id);
>>
>> +#ifdef CONFIG_PM_SLEEP
>>  static int max14577_suspend(struct device *dev)
>>  {
>>       struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
>> @@ -208,6 +209,7 @@ static int max14577_resume(struct device *dev)
>>
>>       return 0;
>>  }
>> +#endif /* CONFIG_PM_SLEEP */
>>
>>  static struct of_device_id max14577_dt_match[] = {
>>       { .compatible = "maxim,max14577", },
>
> Same here:
> http://thread.gmane.org/gmane.linux.kernel/1615513/focus=1615563
> although I don't mind if your patch comes in :).

Sorry, missed those.
It's a pity these known fixes don't go in together with the code that introduces
them...

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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