Messages in this thread | | | Date | Tue, 17 Dec 2013 09:53:00 +0000 | From | Lee Jones <> | Subject | Re: [PATCH mfd-next] mfd: max14577 and sec: add PM_SLEEP dependency to suspend/resume |
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On Tue, 17 Dec 2013, Krzysztof Kozlowski wrote:
> Add CONFIG_PM_SLEEP dependency to suspend and resume functions of > max14577 MFD driver and sec-core.c code. > > This fixes the warnings: > drivers/mfd/max14577.c:176:12: warning: ‘max14577_suspend’ defined but not used [-Wunused-function] > drivers/mfd/max14577.c:199:12: warning: ‘max14577_resume’ defined but not used [-Wunused-function] > drivers/mfd/sec-core.c:347:12: warning: ‘sec_pmic_suspend’ defined but not used [-Wunused-function] > drivers/mfd/sec-core.c:369:12: warning: ‘sec_pmic_resume’ defined but not used [-Wunused-function] > > Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> > --- > drivers/mfd/max14577.c | 2 ++ > drivers/mfd/sec-core.c | 2 ++ > 2 files changed, 4 insertions(+) > > diff --git a/drivers/mfd/max14577.c b/drivers/mfd/max14577.c > index a5e1c370c609..1018a6644469 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 */
Is this the best way we have of doing this?
Isn't there a helper which casts these to NULL if unused?
> static struct of_device_id max14577_dt_match[] = { > { .compatible = "maxim,max14577", }, > diff --git a/drivers/mfd/sec-core.c b/drivers/mfd/sec-core.c > index 56615af42a28..455e3a8fb95d 100644 > --- a/drivers/mfd/sec-core.c > +++ b/drivers/mfd/sec-core.c > @@ -343,6 +343,7 @@ static int sec_pmic_remove(struct i2c_client *i2c) > return 0; > } > > +#ifdef CONFIG_PM_SLEEP > static int sec_pmic_suspend(struct device *dev) > { > struct i2c_client *i2c = container_of(dev, struct i2c_client, dev); > @@ -377,6 +378,7 @@ static int sec_pmic_resume(struct device *dev) > > return 0; > } > +#endif /* CONFIG_PM_SLEEP */ > > static SIMPLE_DEV_PM_OPS(sec_pmic_pm_ops, sec_pmic_suspend, sec_pmic_resume); >
-- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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