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SubjectRe: [PATCH] power: bq24190_charger: mark PM functions as __maybe_unused
On Mon, Mar 20, 2017 at 6:14 AM, Arnd Bergmann <arnd@arndb.de> wrote:
> Without CONFIG_PM, we get a harmless warning:
>
> drivers/power/supply/bq24190_charger.c:1514:12: error: 'bq24190_runtime_resume' defined but not used [-Werror=unused-function]
> drivers/power/supply/bq24190_charger.c:1501:12: error: 'bq24190_runtime_suspend' defined but not used [-Werror=unused-function]
>
> To avoid the warning, we can mark all four PM functions as __maybe_unused,
> which also lets us remove the incorrect #ifdef.
>
> Fixes: 3d8090cba638 ("power: bq24190_charger: Check the interrupt status on resume")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Cool, thx!

Acked-by: Liam Breck <kernel@networkimprov.net>

> ---
> drivers/power/supply/bq24190_charger.c | 10 ++++------
> 1 file changed, 4 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/power/supply/bq24190_charger.c b/drivers/power/supply/bq24190_charger.c
> index 6d80670586eb..451f2bc05ea5 100644
> --- a/drivers/power/supply/bq24190_charger.c
> +++ b/drivers/power/supply/bq24190_charger.c
> @@ -1498,7 +1498,7 @@ static int bq24190_remove(struct i2c_client *client)
> return 0;
> }
>
> -static int bq24190_runtime_suspend(struct device *dev)
> +static __maybe_unused int bq24190_runtime_suspend(struct device *dev)
> {
> struct i2c_client *client = to_i2c_client(dev);
> struct bq24190_dev_info *bdi = i2c_get_clientdata(client);
> @@ -1511,7 +1511,7 @@ static int bq24190_runtime_suspend(struct device *dev)
> return 0;
> }
>
> -static int bq24190_runtime_resume(struct device *dev)
> +static __maybe_unused int bq24190_runtime_resume(struct device *dev)
> {
> struct i2c_client *client = to_i2c_client(dev);
> struct bq24190_dev_info *bdi = i2c_get_clientdata(client);
> @@ -1527,8 +1527,7 @@ static int bq24190_runtime_resume(struct device *dev)
> return 0;
> }
>
> -#ifdef CONFIG_PM_SLEEP
> -static int bq24190_pm_suspend(struct device *dev)
> +static __maybe_unused int bq24190_pm_suspend(struct device *dev)
> {
> struct i2c_client *client = to_i2c_client(dev);
> struct bq24190_dev_info *bdi = i2c_get_clientdata(client);
> @@ -1550,7 +1549,7 @@ static int bq24190_pm_suspend(struct device *dev)
> return 0;
> }
>
> -static int bq24190_pm_resume(struct device *dev)
> +static __maybe_unused int bq24190_pm_resume(struct device *dev)
> {
> struct i2c_client *client = to_i2c_client(dev);
> struct bq24190_dev_info *bdi = i2c_get_clientdata(client);
> @@ -1580,7 +1579,6 @@ static int bq24190_pm_resume(struct device *dev)
>
> return 0;
> }
> -#endif
>
> static const struct dev_pm_ops bq24190_pm_ops = {
> SET_RUNTIME_PM_OPS(bq24190_runtime_suspend, bq24190_runtime_resume,
> --
> 2.9.0
>

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