Messages in this thread | | | From | Adam Thomson <> | Subject | RE: [PATCH 04/11] ASoC: codecs: da7219: fix 'defined but not used' warning | Date | Fri, 3 Jul 2020 09:57:46 +0000 |
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On 03 July 2020 10:33, Adam Thomson wrote
> On 01 July 2020 19:24, Pierre-Louis Bossart wrote: > > > fix W=1 warning > > > > sound/soc/codecs/da7219.c:1711:36: warning: 'da7219_acpi_match' > > defined but not used [-Wunused-const-variable=] > > 1711 | static const struct acpi_device_id da7219_acpi_match[] = { > > | ^~~~~~~~~~~~~~~~~ > > > > Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> > > --- > > sound/soc/codecs/da7219.c | 2 ++ > > 1 file changed, 2 insertions(+) > > > > diff --git a/sound/soc/codecs/da7219.c b/sound/soc/codecs/da7219.c > > index f2520a6c7875..153ea30b5a8f 100644 > > --- a/sound/soc/codecs/da7219.c > > +++ b/sound/soc/codecs/da7219.c > > @@ -1708,11 +1708,13 @@ static const struct of_device_id da7219_of_match[] > = > > { > > }; > > MODULE_DEVICE_TABLE(of, da7219_of_match); > > > > +#ifdef CONFIG_ACPI > > static const struct acpi_device_id da7219_acpi_match[] = { > > { .id = "DLGS7219", }, > > { } > > }; > > MODULE_DEVICE_TABLE(acpi, da7219_acpi_match); > > +#endif > > I think this will break non-ACPI builds as this symbol is used in the > declaration of 'da7219_i2c_driver', without conditional compilation surrounding > it. Unless of course I'm missing something. Could we instead use > '__maybe_unused' to avoid this warning?
Obviously a slow start to the day for my brain. You've obviously built test this given the intention behind this is for non-ACPI builds. Will get more coffee shortly.
Still wonder if '__maybe_unused' might be nicer as per suspend/resume functions on platforms which don't include PM_OPS. Either way though:
Reviewed-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
> > > > > static enum da7219_micbias_voltage > > da7219_fw_micbias_lvl(struct device *dev, u32 val) > > -- > > 2.25.1
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