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

diff --git a/drivers/pwm/pwm-lpss-pci.c b/drivers/pwm/pwm-lpss-pci.c
index f3367e8..98413d3 100644 (file)
--- a/drivers/pwm/pwm-lpss-pci.c
+++ b/drivers/pwm/pwm-lpss-pci.c
@@ -48,7 +48,6 @@ static void pwm_lpss_remove_pci(struct pci_dev *pdev)
        pm_runtime_get_sync(&pdev->dev);
 }
 
-#ifdef CONFIG_PM
 static int pwm_lpss_runtime_suspend_pci(struct device *dev)
 {
        /*
@@ -62,12 +61,11 @@ static int pwm_lpss_runtime_resume_pci(struct device *dev)
 {
        return 0;
 }
-#endif
 
-static const struct dev_pm_ops pwm_lpss_pci_pm = {
-       SET_RUNTIME_PM_OPS(pwm_lpss_runtime_suspend_pci,
-                          pwm_lpss_runtime_resume_pci, NULL)
-};
+static DEFINE_RUNTIME_DEV_PM_OPS(pwm_lpss_pci_pm,
+                                pwm_lpss_runtime_suspend_pci,
+                                pwm_lpss_runtime_resume_pci,
+                                NULL);
 
 static const struct pci_device_id pwm_lpss_pci_ids[] = {
        { PCI_VDEVICE(INTEL, 0x0ac8), (unsigned long)&pwm_lpss_bxt_info},
@@ -89,7 +87,7 @@ static struct pci_driver pwm_lpss_driver_pci = {
        .probe = pwm_lpss_probe_pci,
        .remove = pwm_lpss_remove_pci,
        .driver = {
-               .pm = &pwm_lpss_pci_pm,
+               .pm = pm_ptr(&pwm_lpss_pci_pm),
        },
 };
 module_pci_driver(pwm_lpss_driver_pci);