On Fri, Aug 16, 2019 at 10:14:09PM +0800, YueHaibing wrote: > If CONFIG_ACPI is not set, gcc warning this: > > drivers/soundwire/slave.c:16:12: warning: > 'sdw_slave_add' defined but not used [-Wunused-function] > > move them to #ifdef CONFIG_ACPI block.
...and that makes slave.c empty, right? So it boils down to obj-$(CONFIG_ACPI) += slave.o > Reported-by: Hulk Robot <[email protected]> > Signed-off-by: YueHaibing <[email protected]> > --- > drivers/soundwire/slave.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/soundwire/slave.c b/drivers/soundwire/slave.c > index f39a581..34c7e65 100644 > --- a/drivers/soundwire/slave.c > +++ b/drivers/soundwire/slave.c > @@ -6,6 +6,7 @@ > #include <linux/soundwire/sdw_type.h> > #include "bus.h" > > +#if IS_ENABLED(CONFIG_ACPI) > static void sdw_slave_release(struct device *dev) > { > struct sdw_slave *slave = dev_to_sdw_dev(dev); > @@ -60,7 +61,6 @@ static int sdw_slave_add(struct sdw_bus *bus, > return ret; > } > > -#if IS_ENABLED(CONFIG_ACPI) > /* > * sdw_acpi_find_slaves() - Find Slave devices in Master ACPI node > * @bus: SDW bus instance > -- > 2.7.4 > > > _______________________________________________ > Alsa-devel mailing list > [email protected] > https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
