pwm: sysfs: Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()

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: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

diff --git a/drivers/pwm/sysfs.c b/drivers/pwm/sysfs.c
index 9903c3a7ecedc87ee38bed4d4b37da570c2766be..c21b6046067b3ad3ba0ab1d716317c20c8de4087 100644 (file)
--- a/drivers/pwm/sysfs.c
+++ b/drivers/pwm/sysfs.c
@@ -433,7 +433,7 @@ static int pwm_class_resume_npwm(struct device *parent, unsigned int npwm)
        return ret;
 }
 
-static int __maybe_unused pwm_class_suspend(struct device *parent)
+static int pwm_class_suspend(struct device *parent)
 {
        struct pwm_chip *chip = dev_get_drvdata(parent);
        unsigned int i;
@@ -464,20 +464,20 @@ static int __maybe_unused pwm_class_suspend(struct device *parent)
        return ret;
 }
 
-static int __maybe_unused pwm_class_resume(struct device *parent)
+static int pwm_class_resume(struct device *parent)
 {
        struct pwm_chip *chip = dev_get_drvdata(parent);
 
        return pwm_class_resume_npwm(parent, chip->npwm);
 }
 
-static SIMPLE_DEV_PM_OPS(pwm_class_pm_ops, pwm_class_suspend, pwm_class_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(pwm_class_pm_ops, pwm_class_suspend, pwm_class_resume);
 
 static struct class pwm_class = {
        .name = "pwm",
        .owner = THIS_MODULE,
        .dev_groups = pwm_chip_groups,
-       .pm = &pwm_class_pm_ops,
+       .pm = pm_sleep_ptr(&pwm_class_pm_ops),
 };
 
 static int pwmchip_sysfs_match(struct device *parent, const void *data)