Messages in this thread | | | Subject | Re: [PATCH] thermal: qcom: tsens-8916: mark PM functions __maybe_unused | From | Zhang Rui <> | Date | Fri, 19 Aug 2016 20:44:28 +0800 |
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On 一, 2016-07-04 at 15:12 +0200, Arnd Bergmann wrote: > The newly added tsens-8916 driver produces warnings when CONFIG_PM > is disabled: > > drivers/thermal/qcom/tsens.c:53:12: error: 'tsens_resume' defined but > not used [-Werror=unused-function] > static int tsens_resume(struct device *dev) > ^~~~~~~~~~~~ > drivers/thermal/qcom/tsens.c:43:12: error: 'tsens_suspend' defined > but not used [-Werror=unused-function] > static int tsens_suspend(struct device *dev) > ^~~~~~~~~~~~~ > > This marks both functions __maybe_unused to let the compiler > know that they might be used in other configurations, without > adding ugly #ifdef logic. > > Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Patch queued for 4.9, with a minor fix for the following checkpatch error,
ERROR: "foo __maybe_unused bar" should be "foo __maybe_unused bar" #54: FILE: drivers/thermal/qcom/tsens.c:53: +static int __maybe_unused tsens_resume(struct device *dev)
total: 1 errors, 0 warnings, 16 lines checked
thanks, rui
> --- > drivers/thermal/qcom/tsens.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/thermal/qcom/tsens.c > b/drivers/thermal/qcom/tsens.c > index 446f70b5dbb2..e4fca3350d26 100644 > --- a/drivers/thermal/qcom/tsens.c > +++ b/drivers/thermal/qcom/tsens.c > @@ -40,7 +40,7 @@ static int tsens_get_trend(void *p, int trip, enum > thermal_trend *trend) > return -ENOTSUPP; > } > > -static int tsens_suspend(struct device *dev) > +static int __maybe_unused tsens_suspend(struct device *dev) > { > struct tsens_device *tmdev = dev_get_drvdata(dev); > > @@ -50,7 +50,7 @@ static int tsens_suspend(struct device *dev) > return 0; > } > > -static int tsens_resume(struct device *dev) > +static int __maybe_unused tsens_resume(struct device *dev) > { > struct tsens_device *tmdev = dev_get_drvdata(dev); >
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