Hi, On 3/3/22 20:17, Nathan Chancellor wrote: > When CONFIG_PM is set but CONFIG_PM_SLEEP is not, two compiler warnings > appear: > > drivers/i2c/busses/i2c-designware-platdrv.c:444:12: error: unused function 'dw_i2c_plat_suspend' [-Werror,-Wunused-function] > static int dw_i2c_plat_suspend(struct device *dev) > ^ > drivers/i2c/busses/i2c-designware-platdrv.c:465:12: error: unused function 'dw_i2c_plat_resume' [-Werror,-Wunused-function] > static int dw_i2c_plat_resume(struct device *dev) > ^ > 2 errors generated. > > These functions are only used in SET_LATE_SYSTEM_SLEEP_PM_OPS(), which > is defined as empty when CONFIG_PM_SLEEP is not defined. Mark the > functions as __maybe_unused to make it clear that these functions might > be unused in this configuration. > > Fixes: c57813b8b288 ("i2c: designware: Lock the adapter while setting the suspended flag") > Signed-off-by: Nathan Chancellor <nathan@xxxxxxxxxx> Thanks, patch looks good to me: Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx> Regards, Hans > --- > drivers/i2c/busses/i2c-designware-platdrv.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c > index 116a297d1f6b..70ade5306e45 100644 > --- a/drivers/i2c/busses/i2c-designware-platdrv.c > +++ b/drivers/i2c/busses/i2c-designware-platdrv.c > @@ -441,7 +441,7 @@ static int dw_i2c_plat_runtime_suspend(struct device *dev) > return 0; > } > > -static int dw_i2c_plat_suspend(struct device *dev) > +static int __maybe_unused dw_i2c_plat_suspend(struct device *dev) > { > struct dw_i2c_dev *i_dev = dev_get_drvdata(dev); > > @@ -462,7 +462,7 @@ static int dw_i2c_plat_runtime_resume(struct device *dev) > return 0; > } > > -static int dw_i2c_plat_resume(struct device *dev) > +static int __maybe_unused dw_i2c_plat_resume(struct device *dev) > { > struct dw_i2c_dev *i_dev = dev_get_drvdata(dev); > > > base-commit: 1d366c2f9df8279df2adbb60471f86fc40a1c39e