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iio: temperature: ltc2983: Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()

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Using these newer macros allows the compiler to remove the unused
structure and functions when !CONFIG_PM_SLEEP + removes the need to
mark pm functions __maybe_unused.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Nuno Sá <nuno.sa@analog.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Reviewed-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20220621202719.13644-26-jic23@kernel.org
This commit is contained in:
Jonathan Cameron 2022-06-21 21:27:08 +01:00
parent dc69c61019
commit fb4e8e2dad
1 changed files with 5 additions and 4 deletions
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9
drivers/iio/temperature/ltc2983.c
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@ -1534,7 +1534,7 @@ static int ltc2983_probe(struct spi_device *spi)
return devm_iio_device_register(&spi->dev, indio_dev);
}
static int __maybe_unused ltc2983_resume(struct device *dev)
static int ltc2983_resume(struct device *dev)
{
struct ltc2983_data *st = spi_get_drvdata(to_spi_device(dev));
int dummy;
@ -1545,14 +1545,15 @@ static int __maybe_unused ltc2983_resume(struct device *dev)
return ltc2983_setup(st, false);
}
static int __maybe_unused ltc2983_suspend(struct device *dev)
static int ltc2983_suspend(struct device *dev)
{
struct ltc2983_data *st = spi_get_drvdata(to_spi_device(dev));
return regmap_write(st->regmap, LTC2983_STATUS_REG, LTC2983_SLEEP);
}
static SIMPLE_DEV_PM_OPS(ltc2983_pm_ops, ltc2983_suspend, ltc2983_resume);
static DEFINE_SIMPLE_DEV_PM_OPS(ltc2983_pm_ops, ltc2983_suspend,
ltc2983_resume);
static const struct spi_device_id ltc2983_id_table[] = {
{ "ltc2983" },
@ -1570,7 +1571,7 @@ static struct spi_driver ltc2983_driver = {
.driver = {
.name = "ltc2983",
.of_match_table = ltc2983_of_match,
.pm = &ltc2983_pm_ops,
.pm = pm_sleep_ptr(&ltc2983_pm_ops),
},
.probe = ltc2983_probe,
.id_table = ltc2983_id_table,