[PATCH v4] auxdisplay: arm-charlcd: Use DEFINE_SIMPLE_DEV_PM_OPS for power management
From: Li Jun
Date: Wed Aug 19 2026 - 22:32:54 EST
Replace the manually defined dev_pm_ops structure with the
DEFINE_SIMPLE_DEV_PM_OPS macro to simplify the power management code.
This macro automatically handles CONFIG_PM_SLEEP configuration
and generates freeze/thaw/poweroff/restore callbacks, reducing
boilerplate code.
Changes:
-Replace SIMPLE_DEV_PM_OPS() in v1 v2 with DEFINE_SIMPLE_DEV_PM_OPS() for pm.
-Corrected grammar errors in v1 comment.
Signed-off-by: Li Jun <lijun01@xxxxxxxxxx>
---
drivers/auxdisplay/arm-charlcd.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/auxdisplay/arm-charlcd.c b/drivers/auxdisplay/arm-charlcd.c
index 70efda4f767e..cdd6a0bfca05 100644
--- a/drivers/auxdisplay/arm-charlcd.c
+++ b/drivers/auxdisplay/arm-charlcd.c
@@ -306,10 +306,7 @@ static int charlcd_resume(struct device *dev)
return 0;
}
-static const struct dev_pm_ops charlcd_pm_ops = {
- .suspend = charlcd_suspend,
- .resume = charlcd_resume,
-};
+static DEFINE_SIMPLE_DEV_PM_OPS(charlcd_pm_ops, charlcd_suspend, charlcd_resume);
static const struct of_device_id charlcd_match[] = {
{ .compatible = "arm,versatile-lcd", },
--
2.25.1