Commit 74f4595a authored by Jonathan Cameron's avatar Jonathan Cameron
Browse files

iio: magnetometer: ak8974: Use DEFINE_RUNTIME_DEV_PM_OPS() and pm_ptr() macros 



Using these new macros allows the compiler to remove the unused dev_pm_ops
structure and related functions if !CONFIG_PM without the need to mark
the functions __maybe_unused.

Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: default avatarPaul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20220621202719.13644-36-jic23@kernel.org
parent 1539e05b

drivers/iio/magnetometer/ak8974.c

+5 −9
Original line number Diff line number Diff line
@@ -985,7 +985,7 @@ static int ak8974_remove(struct i2c_client *i2c) 
	return 0;

}



static int __maybe_unused ak8974_runtime_suspend(struct device *dev)

static int ak8974_runtime_suspend(struct device *dev)

{

	struct ak8974 *ak8974 =

		iio_priv(i2c_get_clientdata(to_i2c_client(dev)));
@@ -996,7 +996,7 @@ static int __maybe_unused ak8974_runtime_suspend(struct device *dev) 
	return 0;

}



static int __maybe_unused ak8974_runtime_resume(struct device *dev)

static int ak8974_runtime_resume(struct device *dev)

{

	struct ak8974 *ak8974 =

		iio_priv(i2c_get_clientdata(to_i2c_client(dev)));
@@ -1024,12 +1024,8 @@ static int __maybe_unused ak8974_runtime_resume(struct device *dev) 
	return ret;

}



static const struct dev_pm_ops ak8974_dev_pm_ops = {

	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,

				pm_runtime_force_resume)

	SET_RUNTIME_PM_OPS(ak8974_runtime_suspend,

			   ak8974_runtime_resume, NULL)

};

static DEFINE_RUNTIME_DEV_PM_OPS(ak8974_dev_pm_ops, ak8974_runtime_suspend,

				 ak8974_runtime_resume, NULL);



static const struct i2c_device_id ak8974_id[] = {

	{"ami305", 0 },
@@ -1050,7 +1046,7 @@ MODULE_DEVICE_TABLE(of, ak8974_of_match); 
static struct i2c_driver ak8974_driver = {

	.driver	 = {

		.name	= "ak8974",

		.pm = &ak8974_dev_pm_ops,

		.pm = pm_ptr(&ak8974_dev_pm_ops),

		.of_match_table = ak8974_of_match,

	},

	.probe	  = ak8974_probe,