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 09:54:32 +0000
From:	Lee Jones <lee.jones@...aro.org>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	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

> >> 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...

Great idea. Can I borrow your time machine? ;)

Or, we can use the -rcs, as this is what they were designed for.

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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