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 <hulkci@xxxxxxxxxx>
> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
> ---
> 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
>
>
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