Hi, https://lkml.org/lkml/2019/10/21/1018 That's e3da2ce04e12 to be specific. -- Sebastian On Tue, Oct 29, 2019 at 12:16:37AM +0800, zhong jiang wrote: > ping. > > On 2019/10/21 23:40, zhong jiang wrote: > > The GCC complains the following case when compiling kernel. > > > > drivers/power/supply/cpcap-charger.c:563:5: warning: symbol 'cpcap_charger_voltage_to_regval' was not declared. Should it be static? > > > > Signed-off-by: zhong jiang > > --- > > drivers/power/supply/cpcap-charger.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/power/supply/cpcap-charger.c b/drivers/power/supply/cpcap-charger.c > > index 40d96b8..c0d452e 100644 > > --- a/drivers/power/supply/cpcap-charger.c > > +++ b/drivers/power/supply/cpcap-charger.c > > @@ -560,7 +560,7 @@ static void cpcap_charger_update_state(struct cpcap_charger_ddata *ddata, > > dev_dbg(ddata->dev, "state: %s\n", status); > > } > > > > -int cpcap_charger_voltage_to_regval(int voltage) > > +static int cpcap_charger_voltage_to_regval(int voltage) > > { > > int offset; > > > >