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iio:magn:ak8975: Switch from CONFIG_PM guards to pm_ptr() etc

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Letting the compiler remove these functions when the kernel is built
without CONFIG_PM support is simpler and less error prone than the
use of #ifdef based config guards.

Use the new DEFINE_RUNTIME_DEV_PM_OPS() macro to reduce boilerplate.

Removing instances of this approach from IIO also stops them being
copied into new drivers.

Acked-by: Matt Ranostay <matt.ranostay@konsulko.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Jonathan Albrieux <jonathan.albrieux@gmail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20220130193147.279148-30-jic23@kernel.org
This commit is contained in:
Jonathan Cameron 2022-01-30 19:31:26 +00:00
parent 5ad7f3c995
commit 6c1318f225
1 changed files with 3 additions and 9 deletions
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12
drivers/iio/magnetometer/ak8975.c
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@ -1033,7 +1033,6 @@ static int ak8975_remove(struct i2c_client *client)
return 0;
}
#ifdef CONFIG_PM
static int ak8975_runtime_suspend(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
@ -1074,14 +1073,9 @@ static int ak8975_runtime_resume(struct device *dev)
return 0;
}
#endif /* CONFIG_PM */
static const struct dev_pm_ops ak8975_dev_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
pm_runtime_force_resume)
SET_RUNTIME_PM_OPS(ak8975_runtime_suspend,
ak8975_runtime_resume, NULL)
};
static DEFINE_RUNTIME_DEV_PM_OPS(ak8975_dev_pm_ops, ak8975_runtime_suspend,
ak8975_runtime_resume, NULL);
static const struct i2c_device_id ak8975_id[] = {
{"ak8975", AK8975},
@ -1113,7 +1107,7 @@ MODULE_DEVICE_TABLE(of, ak8975_of_match);
static struct i2c_driver ak8975_driver = {
.driver = {
.name = "ak8975",
.pm = &ak8975_dev_pm_ops,
.pm = pm_ptr(&ak8975_dev_pm_ops),
.of_match_table = ak8975_of_match,
.acpi_match_table = ak_acpi_match,
},