Through the usage of pm_ptr() the CONFIG_PM-dependent code will always be
compiled, protecting against bitrot.
The linker will then garbage-collect the unused function avoiding any overhead.
Signed-off-by: Thomas Weißschuh <linux@xxxxxxxxxxxxxx>
---
drivers/hid/hid-multitouch.c | 10 +++-------
1 file changed, 3 insertions(+), 7 deletions(-)
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 521b2ffb4244..2cdfc2a70a83 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -1802,7 +1802,6 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
return 0;
}
-#ifdef CONFIG_PM
static int mt_suspend(struct hid_device *hdev, pm_message_t state)
{
struct mt_device *td = hid_get_drvdata(hdev);
@@ -1836,7 +1835,6 @@ static int mt_resume(struct hid_device *hdev)
return 0;
}
-#endif
static void mt_remove(struct hid_device *hdev)
{
@@ -2255,10 +2253,8 @@ static struct hid_driver mt_driver = {
.usage_table = mt_grabbed_usages,
.event = mt_event,
.report = mt_report,
-#ifdef CONFIG_PM
- .suspend = mt_suspend,
- .reset_resume = mt_reset_resume,
- .resume = mt_resume,
-#endif
+ .suspend = pm_ptr(mt_suspend),
+ .reset_resume = pm_ptr(mt_reset_resume),
+ .resume = pm_ptr(mt_resume),
};
module_hid_driver(mt_driver);
--
2.42.0
