HID: wacom: Use pm_ptr instead of #ifdef CONFIG_PM

This increases build coverage and allows to drop an #ifdef.

Signed-off-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
[tatsunosuke.tobita@wacom.com: Imported into input-wacom (a864d16be156)]
Signed-off-by: Tatsunosuke Tobita <tatsunosuke.tobita@wacom.com>
Link: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/hid/wacom_sys.c?id=a864d16be15625df365a5945f566efc2e36f73c3

Author: flying-elephant

4.18/wacom_sys.c

@@ -2942,7 +2942,9 @@ static void wacom_remove(struct hid_device *hdev)
 		wacom_release_resources(wacom);
 }
 
+#ifndef HAVE_PM_PTR
 #ifdef CONFIG_PM
+#endif
 static int wacom_resume(struct hid_device *hdev)
 {
 	struct wacom *wacom = hid_get_drvdata(hdev);
@@ -2962,17 +2964,24 @@ static int wacom_reset_resume(struct hid_device *hdev)
 {
 	return wacom_resume(hdev);
 }
+#ifndef HAVE_PM_PTR
 #endif /* CONFIG_PM */
+#endif
 
 static struct hid_driver wacom_driver = {
 	.name =		"wacom",
 	.id_table =	wacom_ids,
 	.probe =	wacom_probe,
 	.remove =	wacom_remove,
 	.report =	wacom_wac_report,
+#ifdef HAVE_PM_PTR
+	.resume =	pm_ptr(wacom_resume),
+	.reset_resume =	pm_ptr(wacom_reset_resume),
+#else
 #ifdef CONFIG_PM
 	.resume =	wacom_resume,
 	.reset_resume =	wacom_reset_resume,
+#endif
 #endif
 	.raw_event =	wacom_raw_event,
 };