sorry for noise,there has a fix: [PATCH] acpi/button.c: fix defined but not used warning https://lkml.org/lkml/2018/7/11/231 On 2018/7/13 15:19, YueHaibing wrote: > When CONFIG_PROC_FS isn't set, gcc warning this: > > drivers/acpi/button.c:255:12: warning: ‘acpi_button_state_seq_show’ defined but not used [-Wunused-function] > static int acpi_button_state_seq_show(struct seq_file *seq, void *offset) > ^ > fix this by adding #ifdef around it. > > Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx> > --- > drivers/acpi/button.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c > index 2345a5e..8538e25 100644 > --- a/drivers/acpi/button.c > +++ b/drivers/acpi/button.c > @@ -252,6 +252,7 @@ static int acpi_lid_notify_state(struct acpi_device *device, int state) > return ret; > } > > +#ifdef CONFIG_PROC_FS > static int acpi_button_state_seq_show(struct seq_file *seq, void *offset) > { > struct acpi_device *device = seq->private; > @@ -262,6 +263,7 @@ static int acpi_button_state_seq_show(struct seq_file *seq, void *offset) > state < 0 ? "unsupported" : (state ? "open" : "closed")); > return 0; > } > +#endif > > static int acpi_button_add_fs(struct acpi_device *device) > { > -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
